/*
- * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- *
- * Portions of the attached software ("Contribution") are developed by
- * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
- *
- * The Contribution is licensed pursuant to the OpenSSL open source
- * license provided above.
- *
- * The elliptic curve binary polynomial software is originally written by
- * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef FLAT_INC
-# include "e_os.h"
-#else
-# include "../e_os.h"
-#endif
#include <string.h>
-#include <time.h>
-
-#ifdef OPENSSL_NO_EC
-int main(int argc, char *argv[])
-{
- puts("Elliptic curves are disabled.");
- return 0;
-}
-#else
+#include "internal/nelem.h"
+#include "testutil.h"
+#ifndef OPENSSL_NO_EC
# include <openssl/ec.h>
# ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
# include <openssl/bn.h>
# include <openssl/opensslconf.h>
-# if defined(_MSC_VER) && defined(_MIPS_) && (_MSC_VER/100==12)
-/* suppress "too big too optimize" warning */
-# pragma warning(disable:4959)
-# endif
-
-# define ABORT do { \
- fflush(stdout); \
- fprintf(stderr, "%s:%d: ABORT\n", __FILE__, __LINE__); \
- ERR_print_errors_fp(stderr); \
- EXIT(1); \
-} while (0)
-
-# define TIMING_BASE_PT 0
-# define TIMING_RAND_PT 1
-# define TIMING_SIMUL 2
+static size_t crv_len = 0;
+static EC_builtin_curve *curves = NULL;
/* test multiplication with group order, long and negative scalars */
-static void group_order_tests(EC_GROUP *group)
+static int group_order_tests(EC_GROUP *group)
{
- BIGNUM *n1, *n2, *order;
- EC_POINT *P = EC_POINT_new(group);
- EC_POINT *Q = EC_POINT_new(group);
- EC_POINT *R = EC_POINT_new(group);
- EC_POINT *S = EC_POINT_new(group);
- BN_CTX *ctx = BN_CTX_new();
- int i;
-
- n1 = BN_new();
- n2 = BN_new();
- order = BN_new();
- fprintf(stdout, "verify group order ...");
- fflush(stdout);
- if (!EC_GROUP_get_order(group, order, ctx))
- ABORT;
- if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, Q))
- ABORT;
- fprintf(stdout, ".");
- fflush(stdout);
- if (!EC_GROUP_precompute_mult(group, ctx))
- ABORT;
- if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, Q))
- ABORT;
- fprintf(stdout, " ok\n");
- fprintf(stdout, "long/negative scalar tests ");
+ BIGNUM *n1 = NULL, *n2 = NULL, *order = NULL;
+ EC_POINT *P = NULL, *Q = NULL, *R = NULL, *S = NULL;
+ const EC_POINT *G = NULL;
+ BN_CTX *ctx = NULL;
+ int i = 0, r = 0;
+
+ if (!TEST_ptr(n1 = BN_new())
+ || !TEST_ptr(n2 = BN_new())
+ || !TEST_ptr(order = BN_new())
+ || !TEST_ptr(ctx = BN_CTX_new())
+ || !TEST_ptr(G = EC_GROUP_get0_generator(group))
+ || !TEST_ptr(P = EC_POINT_new(group))
+ || !TEST_ptr(Q = EC_POINT_new(group))
+ || !TEST_ptr(R = EC_POINT_new(group))
+ || !TEST_ptr(S = EC_POINT_new(group)))
+ goto err;
+
+ if (!TEST_true(EC_GROUP_get_order(group, order, ctx))
+ || !TEST_true(EC_POINT_mul(group, Q, order, NULL, NULL, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, Q))
+ || !TEST_true(EC_GROUP_precompute_mult(group, ctx))
+ || !TEST_true(EC_POINT_mul(group, Q, order, NULL, NULL, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, Q))
+ || !TEST_true(EC_POINT_copy(P, G))
+ || !TEST_true(BN_one(n1))
+ || !TEST_true(EC_POINT_mul(group, Q, n1, NULL, NULL, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx))
+ || !TEST_true(BN_sub(n1, order, n1))
+ || !TEST_true(EC_POINT_mul(group, Q, n1, NULL, NULL, ctx))
+ || !TEST_true(EC_POINT_invert(group, Q, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx)))
+ goto err;
+
for (i = 1; i <= 2; i++) {
const BIGNUM *scalars[6];
const EC_POINT *points[6];
- fprintf(stdout, i == 1 ?
- "allowing precomputation ... " :
- "without precomputation ... ");
- if (!BN_set_word(n1, i))
- ABORT;
- /*
- * If i == 1, P will be the predefined generator for which
- * EC_GROUP_precompute_mult has set up precomputation.
- */
- if (!EC_POINT_mul(group, P, n1, NULL, NULL, ctx))
- ABORT;
-
- if (!BN_one(n1))
- ABORT;
- /* n1 = 1 - order */
- if (!BN_sub(n1, n1, order))
- ABORT;
- if (!EC_POINT_mul(group, Q, NULL, P, n1, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, Q, P, ctx))
- ABORT;
-
- /* n2 = 1 + order */
- if (!BN_add(n2, order, BN_value_one()))
- ABORT;
- if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, Q, P, ctx))
- ABORT;
-
- /* n2 = (1 - order) * (1 + order) = 1 - order^2 */
- if (!BN_mul(n2, n1, n2, ctx))
- ABORT;
- if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, Q, P, ctx))
- ABORT;
+ if (!TEST_true(BN_set_word(n1, i))
+ /*
+ * If i == 1, P will be the predefined generator for which
+ * EC_GROUP_precompute_mult has set up precomputation.
+ */
+ || !TEST_true(EC_POINT_mul(group, P, n1, NULL, NULL, ctx))
+ || (i == 1 && !TEST_int_eq(0, EC_POINT_cmp(group, P, G, ctx)))
+ || !TEST_true(BN_one(n1))
+ /* n1 = 1 - order */
+ || !TEST_true(BN_sub(n1, n1, order))
+ || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n1, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx))
+
+ /* n2 = 1 + order */
+ || !TEST_true(BN_add(n2, order, BN_value_one()))
+ || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx))
+
+ /* n2 = (1 - order) * (1 + order) = 1 - order^2 */
+ || !TEST_true(BN_mul(n2, n1, n2, ctx))
+ || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx)))
+ goto err;
/* n2 = order^2 - 1 */
BN_set_negative(n2, 0);
- if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx))
- ABORT;
- /* Add P to verify the result. */
- if (!EC_POINT_add(group, Q, Q, P, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, Q))
- ABORT;
-
- /* Exercise EC_POINTs_mul, including corner cases. */
- if (EC_POINT_is_at_infinity(group, P))
- ABORT;
+ if (!TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx))
+ /* Add P to verify the result. */
+ || !TEST_true(EC_POINT_add(group, Q, Q, P, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, Q))
+
+ /* Exercise EC_POINTs_mul, including corner cases. */
+ || !TEST_false(EC_POINT_is_at_infinity(group, P)))
+ goto err;
scalars[0] = scalars[1] = BN_value_one();
points[0] = points[1] = P;
- if (!EC_POINTs_mul(group, R, NULL, 2, points, scalars, ctx))
- ABORT;
- if (!EC_POINT_dbl(group, S, points[0], ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, R, S, ctx))
- ABORT;
+ if (!TEST_true(EC_POINTs_mul(group, R, NULL, 2, points, scalars, ctx))
+ || !TEST_true(EC_POINT_dbl(group, S, points[0], ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, R, S, ctx)))
+ goto err;
scalars[0] = n1;
points[0] = Q; /* => infinity */
points[4] = P; /* => P */
scalars[5] = n2;
points[5] = Q; /* => infinity */
- if (!EC_POINTs_mul(group, P, NULL, 6, points, scalars, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
+ if (!TEST_true(EC_POINTs_mul(group, P, NULL, 6, points, scalars, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+ goto err;
}
- fprintf(stdout, "ok\n");
+ r = 1;
+err:
+ if (r == 0 && i != 0)
+ TEST_info(i == 1 ? "allowing precomputation" :
+ "without precomputation");
EC_POINT_free(P);
EC_POINT_free(Q);
EC_POINT_free(R);
BN_free(n2);
BN_free(order);
BN_CTX_free(ctx);
+ return r;
}
-static void prime_field_tests(void)
+static int prime_field_tests(void)
{
BN_CTX *ctx = NULL;
- BIGNUM *p, *a, *b;
- EC_GROUP *group;
- EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL, *P_256 =
- NULL, *P_384 = NULL, *P_521 = NULL;
- EC_POINT *P, *Q, *R;
- BIGNUM *x, *y, *z, *yplusone;
+ BIGNUM *p = NULL, *a = NULL, *b = NULL, *scalar3 = NULL;
+ EC_GROUP *group = NULL, *tmp = NULL;
+ EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL,
+ *P_256 = NULL, *P_384 = NULL, *P_521 = NULL;
+ EC_POINT *P = NULL, *Q = NULL, *R = NULL;
+ BIGNUM *x = NULL, *y = NULL, *z = NULL, *yplusone = NULL;
+ const EC_POINT *points[4];
+ const BIGNUM *scalars[4];
unsigned char buf[100];
- size_t i, len;
+ size_t len, r = 0;
int k;
- ctx = BN_CTX_new();
- if (!ctx)
- ABORT;
-
- p = BN_new();
- a = BN_new();
- b = BN_new();
- if (!p || !a || !b)
- ABORT;
-
- if (!BN_hex2bn(&p, "17"))
- ABORT;
- if (!BN_hex2bn(&a, "1"))
- ABORT;
- if (!BN_hex2bn(&b, "1"))
- ABORT;
-
- group = EC_GROUP_new(EC_GFp_mont_method()); /* applications should use
- * EC_GROUP_new_curve_GFp so
- * that the library gets to
- * choose the EC_METHOD */
- if (!group)
- ABORT;
-
- if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
- ABORT;
+ if (!TEST_ptr(ctx = BN_CTX_new())
+ || !TEST_ptr(p = BN_new())
+ || !TEST_ptr(a = BN_new())
+ || !TEST_ptr(b = BN_new())
+ || !TEST_true(BN_hex2bn(&p, "17"))
+ || !TEST_true(BN_hex2bn(&a, "1"))
+ || !TEST_true(BN_hex2bn(&b, "1"))
+ /*
+ * applications should use EC_GROUP_new_curve_GFp so
+ * that the library gets to choose the EC_METHOD
+ */
+ || !TEST_ptr(group = EC_GROUP_new(EC_GFp_mont_method()))
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+ || !TEST_ptr(tmp = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(tmp, group)))
+ goto err;
+ EC_GROUP_free(group);
+ group = tmp;
+ tmp = NULL;
- {
- EC_GROUP *tmp;
- tmp = EC_GROUP_new(EC_GROUP_method_of(group));
- if (!tmp)
- ABORT;
- if (!EC_GROUP_copy(tmp, group))
- ABORT;
- EC_GROUP_free(group);
- group = tmp;
- }
+ if (!TEST_true(EC_GROUP_get_curve(group, p, a, b, ctx)))
+ goto err;
- if (!EC_GROUP_get_curve_GFp(group, p, a, b, ctx))
- ABORT;
-
- fprintf(stdout,
- "Curve defined by Weierstrass equation\n y^2 = x^3 + a*x + b (mod 0x");
- BN_print_fp(stdout, p);
- fprintf(stdout, ")\n a = 0x");
- BN_print_fp(stdout, a);
- fprintf(stdout, "\n b = 0x");
- BN_print_fp(stdout, b);
- fprintf(stdout, "\n");
-
- P = EC_POINT_new(group);
- Q = EC_POINT_new(group);
- R = EC_POINT_new(group);
- if (!P || !Q || !R)
- ABORT;
-
- if (!EC_POINT_set_to_infinity(group, P))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
+ TEST_info("Curve defined by Weierstrass equation");
+ TEST_note(" y^2 = x^3 + a*x + b (mod p)");
+ test_output_bignum("a", a);
+ test_output_bignum("b", b);
+ test_output_bignum("p", p);
buf[0] = 0;
- if (!EC_POINT_oct2point(group, Q, buf, 1, ctx))
- ABORT;
-
- if (!EC_POINT_add(group, P, P, Q, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
-
- x = BN_new();
- y = BN_new();
- z = BN_new();
- yplusone = BN_new();
- if (x == NULL || y == NULL || z == NULL || yplusone == NULL)
- ABORT;
-
- if (!BN_hex2bn(&x, "D"))
- ABORT;
- if (!EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) {
- if (!EC_POINT_get_affine_coordinates_GFp(group, Q, x, y, ctx))
- ABORT;
- fprintf(stderr, "Point is not on curve: x = 0x");
- BN_print_fp(stderr, x);
- fprintf(stderr, ", y = 0x");
- BN_print_fp(stderr, y);
- fprintf(stderr, "\n");
- ABORT;
+ if (!TEST_ptr(P = EC_POINT_new(group))
+ || !TEST_ptr(Q = EC_POINT_new(group))
+ || !TEST_ptr(R = EC_POINT_new(group))
+ || !TEST_true(EC_POINT_set_to_infinity(group, P))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P))
+ || !TEST_true(EC_POINT_oct2point(group, Q, buf, 1, ctx))
+ || !TEST_true(EC_POINT_add(group, P, P, Q, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P))
+ || !TEST_ptr(x = BN_new())
+ || !TEST_ptr(y = BN_new())
+ || !TEST_ptr(z = BN_new())
+ || !TEST_ptr(yplusone = BN_new())
+ || !TEST_true(BN_hex2bn(&x, "D"))
+ || !TEST_true(EC_POINT_set_compressed_coordinates(group, Q, x, 1, ctx)))
+ goto err;
+
+ if (!TEST_int_gt(EC_POINT_is_on_curve(group, Q, ctx), 0)) {
+ if (!TEST_true(EC_POINT_get_affine_coordinates(group, Q, x, y, ctx)))
+ goto err;
+ TEST_info("Point is not on curve");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
+ goto err;
}
- fprintf(stdout, "A cyclic subgroup:\n");
+ TEST_note("A cyclic subgroup:");
k = 100;
do {
- if (k-- == 0)
- ABORT;
-
- if (EC_POINT_is_at_infinity(group, P))
- fprintf(stdout, " point at infinity\n");
- else {
- if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
-
- fprintf(stdout, " x = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, ", y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, "\n");
+ if (!TEST_int_ne(k--, 0))
+ goto err;
+
+ if (EC_POINT_is_at_infinity(group, P)) {
+ TEST_note(" point at infinity");
+ } else {
+ if (!TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y,
+ ctx)))
+ goto err;
+
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
}
- if (!EC_POINT_copy(R, P))
- ABORT;
- if (!EC_POINT_add(group, P, P, Q, ctx))
- ABORT;
+ if (!TEST_true(EC_POINT_copy(R, P))
+ || !TEST_true(EC_POINT_add(group, P, P, Q, ctx)))
+ goto err;
- }
- while (!EC_POINT_is_at_infinity(group, P));
+ } while (!EC_POINT_is_at_infinity(group, P));
- if (!EC_POINT_add(group, P, Q, R, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
+ if (!TEST_true(EC_POINT_add(group, P, Q, R, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+ goto err;
len =
EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf,
- sizeof buf, ctx);
- if (len == 0)
- ABORT;
- if (!EC_POINT_oct2point(group, P, buf, len, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, Q, ctx))
- ABORT;
- fprintf(stdout, "Generator as octet string, compressed form:\n ");
- for (i = 0; i < len; i++)
- fprintf(stdout, "%02X", buf[i]);
-
- len =
- EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf,
- sizeof buf, ctx);
- if (len == 0)
- ABORT;
- if (!EC_POINT_oct2point(group, P, buf, len, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, Q, ctx))
- ABORT;
- fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n ");
- for (i = 0; i < len; i++)
- fprintf(stdout, "%02X", buf[i]);
-
- len =
- EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf,
- ctx);
- if (len == 0)
- ABORT;
- if (!EC_POINT_oct2point(group, P, buf, len, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, Q, ctx))
- ABORT;
- fprintf(stdout, "\nGenerator as octet string, hybrid form:\n ");
- for (i = 0; i < len; i++)
- fprintf(stdout, "%02X", buf[i]);
-
- if (!EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z, ctx))
- ABORT;
- fprintf(stdout,
- "\nA representation of the inverse of that generator in\nJacobian projective coordinates:\n X = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, ", Y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, ", Z = 0x");
- BN_print_fp(stdout, z);
- fprintf(stdout, "\n");
-
- if (!EC_POINT_invert(group, P, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, R, ctx))
- ABORT;
+ sizeof(buf), ctx);
+ if (!TEST_size_t_ne(len, 0)
+ || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+ goto err;
+ test_output_memory("Generator as octet string, compressed form:",
+ buf, len);
+
+ len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED,
+ buf, sizeof(buf), ctx);
+ if (!TEST_size_t_ne(len, 0)
+ || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+ goto err;
+ test_output_memory("Generator as octet string, uncompressed form:",
+ buf, len);
+
+ len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID,
+ buf, sizeof(buf), ctx);
+ if (!TEST_size_t_ne(len, 0)
+ || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+ goto err;
+ test_output_memory("Generator as octet string, hybrid form:",
+ buf, len);
+
+ if (!TEST_true(EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z,
+ ctx)))
+ goto err;
+ TEST_info("A representation of the inverse of that generator in");
+ TEST_note("Jacobian projective coordinates");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
+ test_output_bignum("z", z);
+
+ if (!TEST_true(EC_POINT_invert(group, P, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))
/*
* Curve secp160r1 (Certicom Research SEC 2 Version 1.0, section 2.4.2,
* 2000) -- not a NIST curve, but commonly used
*/
- if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"))
- ABORT;
- if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
- ABORT;
- if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"))
- ABORT;
- if (!BN_hex2bn(&b, "1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45"))
- ABORT;
- if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
- ABORT;
-
- if (!BN_hex2bn(&x, "4A96B5688EF573284664698968C38BB913CBFC82"))
- ABORT;
- if (!BN_hex2bn(&y, "23a628553168947d59dcc912042351377ac5fb32"))
- ABORT;
- if (!BN_add(yplusone, y, BN_value_one()))
- ABORT;
+ || !TEST_true(BN_hex2bn(&p, "FFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"))
+ || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL))
+ || !TEST_true(BN_hex2bn(&a, "FFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"))
+ || !TEST_true(BN_hex2bn(&b, "1C97BEFC"
+ "54BD7A8B65ACF89F81D4D4ADC565FA45"))
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+ || !TEST_true(BN_hex2bn(&x, "4A96B568"
+ "8EF573284664698968C38BB913CBFC82"))
+ || !TEST_true(BN_hex2bn(&y, "23a62855"
+ "3168947d59dcc912042351377ac5fb32"))
+ || !TEST_true(BN_add(yplusone, y, BN_value_one()))
/*
* When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
* and therefore setting the coordinates should fail.
*/
- if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))
- ABORT;
- if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
- ABORT;
- if (!BN_hex2bn(&z, "0100000000000000000001F4C8F927AED3CA752257"))
- ABORT;
- if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
- ABORT;
-
- if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
- fprintf(stdout, "\nSEC2 curve secp160r1 -- Generator:\n x = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, "\n y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, "\n");
+ || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone,
+ ctx))
+ || !TEST_true(EC_POINT_set_affine_coordinates(group, P, x, y, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(BN_hex2bn(&z, "0100000000"
+ "000000000001F4C8F927AED3CA752257"))
+ || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+ || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx)))
+ goto err;
+ TEST_info("SEC2 curve secp160r1 -- Generator");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
/* G_y value taken from the standard: */
- if (!BN_hex2bn(&z, "23a628553168947d59dcc912042351377ac5fb32"))
- ABORT;
- if (0 != BN_cmp(y, z))
- ABORT;
-
- fprintf(stdout, "verify degree ...");
- if (EC_GROUP_get_degree(group) != 160)
- ABORT;
- fprintf(stdout, " ok\n");
-
- group_order_tests(group);
-
- if ((P_160 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
- ABORT;
- if (!EC_GROUP_copy(P_160, group))
- ABORT;
+ if (!TEST_true(BN_hex2bn(&z, "23a62855"
+ "3168947d59dcc912042351377ac5fb32"))
+ || !TEST_BN_eq(y, z)
+ || !TEST_int_eq(EC_GROUP_get_degree(group), 160)
+ || !group_order_tests(group)
+ || !TEST_ptr(P_160 = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(P_160, group))
/* Curve P-192 (FIPS PUB 186-2, App. 6) */
- if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"))
- ABORT;
- if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
- ABORT;
- if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"))
- ABORT;
- if (!BN_hex2bn(&b, "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"))
- ABORT;
- if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
- ABORT;
-
- if (!BN_hex2bn(&x, "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"))
- ABORT;
- if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
- ABORT;
- if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"))
- ABORT;
- if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
- ABORT;
-
- if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
- fprintf(stdout, "\nNIST curve P-192 -- Generator:\n x = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, "\n y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, "\n");
+ || !TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"))
+ || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL))
+ || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"))
+ || !TEST_true(BN_hex2bn(&b, "64210519E59C80E7"
+ "0FA7E9AB72243049FEB8DEECC146B9B1"))
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+ || !TEST_true(BN_hex2bn(&x, "188DA80EB03090F6"
+ "7CBF20EB43A18800F4FF0AFD82FF1012"))
+ || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 1, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFF"
+ "FFFFFFFF99DEF836146BC9B1B4D22831"))
+ || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+ || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx)))
+ goto err;
+
+ TEST_info("NIST curve P-192 -- Generator");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
/* G_y value taken from the standard: */
- if (!BN_hex2bn(&z, "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"))
- ABORT;
- if (0 != BN_cmp(y, z))
- ABORT;
-
- if (!BN_add(yplusone, y, BN_value_one()))
- ABORT;
+ if (!TEST_true(BN_hex2bn(&z, "07192B95FFC8DA78"
+ "631011ED6B24CDD573F977A11E794811"))
+ || !TEST_BN_eq(y, z)
+ || !TEST_true(BN_add(yplusone, y, BN_value_one()))
/*
* When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
* and therefore setting the coordinates should fail.
*/
- if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))
- ABORT;
-
- fprintf(stdout, "verify degree ...");
- if (EC_GROUP_get_degree(group) != 192)
- ABORT;
- fprintf(stdout, " ok\n");
-
- group_order_tests(group);
-
- if ((P_192 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
- ABORT;
- if (!EC_GROUP_copy(P_192, group))
- ABORT;
+ || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone,
+ ctx))
+ || !TEST_int_eq(EC_GROUP_get_degree(group), 192)
+ || !group_order_tests(group)
+ || !TEST_ptr(P_192 = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(P_192, group))
/* Curve P-224 (FIPS PUB 186-2, App. 6) */
- if (!BN_hex2bn
- (&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"))
- ABORT;
- if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
- ABORT;
- if (!BN_hex2bn
- (&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"))
- ABORT;
- if (!BN_hex2bn
- (&b, "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"))
- ABORT;
- if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
- ABORT;
-
- if (!BN_hex2bn
- (&x, "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"))
- ABORT;
- if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
- ABORT;
- if (!BN_hex2bn
- (&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"))
- ABORT;
- if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
- ABORT;
-
- if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
- fprintf(stdout, "\nNIST curve P-224 -- Generator:\n x = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, "\n y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, "\n");
+ || !TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFF000000000000000000000001"))
+ || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL))
+ || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"))
+ || !TEST_true(BN_hex2bn(&b, "B4050A850C04B3ABF5413256"
+ "5044B0B7D7BFD8BA270B39432355FFB4"))
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+ || !TEST_true(BN_hex2bn(&x, "B70E0CBD6BB4BF7F321390B9"
+ "4A03C1D356C21122343280D6115C1D21"))
+ || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 0, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFF16A2E0B8F03E13DD29455C5C2A3D"))
+ || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+ || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx)))
+ goto err;
+
+ TEST_info("NIST curve P-224 -- Generator");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
/* G_y value taken from the standard: */
- if (!BN_hex2bn
- (&z, "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"))
- ABORT;
- if (0 != BN_cmp(y, z))
- ABORT;
-
- if (!BN_add(yplusone, y, BN_value_one()))
- ABORT;
+ if (!TEST_true(BN_hex2bn(&z, "BD376388B5F723FB4C22DFE6"
+ "CD4375A05A07476444D5819985007E34"))
+ || !TEST_BN_eq(y, z)
+ || !TEST_true(BN_add(yplusone, y, BN_value_one()))
/*
* When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
* and therefore setting the coordinates should fail.
*/
- if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))
- ABORT;
-
- fprintf(stdout, "verify degree ...");
- if (EC_GROUP_get_degree(group) != 224)
- ABORT;
- fprintf(stdout, " ok\n");
-
- group_order_tests(group);
-
- if ((P_224 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
- ABORT;
- if (!EC_GROUP_copy(P_224, group))
- ABORT;
+ || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone,
+ ctx))
+ || !TEST_int_eq(EC_GROUP_get_degree(group), 224)
+ || !group_order_tests(group)
+ || !TEST_ptr(P_224 = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(P_224, group))
/* Curve P-256 (FIPS PUB 186-2, App. 6) */
- if (!BN_hex2bn
- (&p,
- "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"))
- ABORT;
- if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
- ABORT;
- if (!BN_hex2bn
- (&a,
- "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC"))
- ABORT;
- if (!BN_hex2bn
- (&b,
- "5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"))
- ABORT;
- if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
- ABORT;
-
- if (!BN_hex2bn
- (&x,
- "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"))
- ABORT;
- if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
- ABORT;
- if (!BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E"
- "84F3B9CAC2FC632551"))
- ABORT;
- if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
- ABORT;
-
- if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
- fprintf(stdout, "\nNIST curve P-256 -- Generator:\n x = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, "\n y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, "\n");
+ || !TEST_true(BN_hex2bn(&p, "FFFFFFFF000000010000000000000000"
+ "00000000FFFFFFFFFFFFFFFFFFFFFFFF"))
+ || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL))
+ || !TEST_true(BN_hex2bn(&a, "FFFFFFFF000000010000000000000000"
+ "00000000FFFFFFFFFFFFFFFFFFFFFFFC"))
+ || !TEST_true(BN_hex2bn(&b, "5AC635D8AA3A93E7B3EBBD55769886BC"
+ "651D06B0CC53B0F63BCE3C3E27D2604B"))
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+
+ || !TEST_true(BN_hex2bn(&x, "6B17D1F2E12C4247F8BCE6E563A440F2"
+ "77037D812DEB33A0F4A13945D898C296"))
+ || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 1, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFF"
+ "BCE6FAADA7179E84F3B9CAC2FC632551"))
+ || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+ || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx)))
+ goto err;
+
+ TEST_info("NIST curve P-256 -- Generator");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
/* G_y value taken from the standard: */
- if (!BN_hex2bn
- (&z,
- "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"))
- ABORT;
- if (0 != BN_cmp(y, z))
- ABORT;
-
- if (!BN_add(yplusone, y, BN_value_one()))
- ABORT;
+ if (!TEST_true(BN_hex2bn(&z, "4FE342E2FE1A7F9B8EE7EB4A7C0F9E16"
+ "2BCE33576B315ECECBB6406837BF51F5"))
+ || !TEST_BN_eq(y, z)
+ || !TEST_true(BN_add(yplusone, y, BN_value_one()))
/*
* When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
* and therefore setting the coordinates should fail.
*/
- if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))
- ABORT;
-
- fprintf(stdout, "verify degree ...");
- if (EC_GROUP_get_degree(group) != 256)
- ABORT;
- fprintf(stdout, " ok\n");
-
- group_order_tests(group);
-
- if ((P_256 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
- ABORT;
- if (!EC_GROUP_copy(P_256, group))
- ABORT;
+ || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone,
+ ctx))
+ || !TEST_int_eq(EC_GROUP_get_degree(group), 256)
+ || !group_order_tests(group)
+ || !TEST_ptr(P_256 = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(P_256, group))
/* Curve P-384 (FIPS PUB 186-2, App. 6) */
- if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
- "FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF"))
- ABORT;
- if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
- ABORT;
- if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
- "FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC"))
- ABORT;
- if (!BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141"
- "120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"))
- ABORT;
- if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
- ABORT;
-
- if (!BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B"
- "9859F741E082542A385502F25DBF55296C3A545E3872760AB7"))
- ABORT;
- if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
- ABORT;
- if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
- "FFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"))
- ABORT;
- if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
- ABORT;
-
- if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
- fprintf(stdout, "\nNIST curve P-384 -- Generator:\n x = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, "\n y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, "\n");
+ || !TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE"
+ "FFFFFFFF0000000000000000FFFFFFFF"))
+ || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL))
+ || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE"
+ "FFFFFFFF0000000000000000FFFFFFFC"))
+ || !TEST_true(BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19"
+ "181D9C6EFE8141120314088F5013875A"
+ "C656398D8A2ED19D2A85C8EDD3EC2AEF"))
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+
+ || !TEST_true(BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD74"
+ "6E1D3B628BA79B9859F741E082542A38"
+ "5502F25DBF55296C3A545E3872760AB7"))
+ || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 1, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFC7634D81F4372DDF"
+ "581A0DB248B0A77AECEC196ACCC52973"))
+ || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+ || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx)))
+ goto err;
+
+ TEST_info("NIST curve P-384 -- Generator");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
/* G_y value taken from the standard: */
- if (!BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A14"
- "7CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F"))
- ABORT;
- if (0 != BN_cmp(y, z))
- ABORT;
-
- if (!BN_add(yplusone, y, BN_value_one()))
- ABORT;
+ if (!TEST_true(BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29"
+ "F8F41DBD289A147CE9DA3113B5F0B8C0"
+ "0A60B1CE1D7E819D7A431D7C90EA0E5F"))
+ || !TEST_BN_eq(y, z)
+ || !TEST_true(BN_add(yplusone, y, BN_value_one()))
/*
* When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
* and therefore setting the coordinates should fail.
*/
- if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))
- ABORT;
-
- fprintf(stdout, "verify degree ...");
- if (EC_GROUP_get_degree(group) != 384)
- ABORT;
- fprintf(stdout, " ok\n");
-
- group_order_tests(group);
-
- if ((P_384 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
- ABORT;
- if (!EC_GROUP_copy(P_384, group))
- ABORT;
+ || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone,
+ ctx))
+ || !TEST_int_eq(EC_GROUP_get_degree(group), 384)
+ || !group_order_tests(group)
+ || !TEST_ptr(P_384 = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(P_384, group))
/* Curve P-521 (FIPS PUB 186-2, App. 6) */
-
- if (!BN_hex2bn(&p, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
- "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
- "FFFFFFFFFFFFFFFFFFFFFFFFFFFF"))
- ABORT;
- if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
- ABORT;
- if (!BN_hex2bn(&a, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
- "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
- "FFFFFFFFFFFFFFFFFFFFFFFFFFFC"))
- ABORT;
- if (!BN_hex2bn(&b, "051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B"
- "315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573"
- "DF883D2C34F1EF451FD46B503F00"))
- ABORT;
- if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
- ABORT;
-
- if (!BN_hex2bn(&x, "C6858E06B70404E9CD9E3ECB662395B4429C648139053F"
- "B521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B"
- "3C1856A429BF97E7E31C2E5BD66"))
- ABORT;
- if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
- ABORT;
- if (!BN_hex2bn(&z, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
- "FFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5"
- "C9B8899C47AEBB6FB71E91386409"))
- ABORT;
- if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
- ABORT;
-
- if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
- fprintf(stdout, "\nNIST curve P-521 -- Generator:\n x = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, "\n y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, "\n");
+ || !TEST_true(BN_hex2bn(&p, "1FF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"))
+ || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL))
+ || !TEST_true(BN_hex2bn(&a, "1FF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC"))
+ || !TEST_true(BN_hex2bn(&b, "051"
+ "953EB9618E1C9A1F929A21A0B68540EE"
+ "A2DA725B99B315F3B8B489918EF109E1"
+ "56193951EC7E937B1652C0BD3BB1BF07"
+ "3573DF883D2C34F1EF451FD46B503F00"))
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+ || !TEST_true(BN_hex2bn(&x, "C6"
+ "858E06B70404E9CD9E3ECB662395B442"
+ "9C648139053FB521F828AF606B4D3DBA"
+ "A14B5E77EFE75928FE1DC127A2FFA8DE"
+ "3348B3C1856A429BF97E7E31C2E5BD66"))
+ || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x, 0, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(BN_hex2bn(&z, "1FF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA"
+ "51868783BF2F966B7FCC0148F709A5D0"
+ "3BB5C9B8899C47AEBB6FB71E91386409"))
+ || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+ || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx)))
+ goto err;
+
+ TEST_info("NIST curve P-521 -- Generator");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
/* G_y value taken from the standard: */
- if (!BN_hex2bn(&z, "11839296A789A3BC0045C8A5FB42C7D1BD998F54449579"
- "B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C"
- "7086A272C24088BE94769FD16650"))
- ABORT;
- if (0 != BN_cmp(y, z))
- ABORT;
-
- if (!BN_add(yplusone, y, BN_value_one()))
- ABORT;
+ if (!TEST_true(BN_hex2bn(&z, "118"
+ "39296A789A3BC0045C8A5FB42C7D1BD9"
+ "98F54449579B446817AFBD17273E662C"
+ "97EE72995EF42640C550B9013FAD0761"
+ "353C7086A272C24088BE94769FD16650"))
+ || !TEST_BN_eq(y, z)
+ || !TEST_true(BN_add(yplusone, y, BN_value_one()))
/*
* When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
* and therefore setting the coordinates should fail.
*/
- if (EC_POINT_set_affine_coordinates_GFp(group, P, x, yplusone, ctx))
- ABORT;
-
- fprintf(stdout, "verify degree ...");
- if (EC_GROUP_get_degree(group) != 521)
- ABORT;
- fprintf(stdout, " ok\n");
-
- group_order_tests(group);
-
- if ((P_521 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
- ABORT;
- if (!EC_GROUP_copy(P_521, group))
- ABORT;
+ || !TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone,
+ ctx))
+ || !TEST_int_eq(EC_GROUP_get_degree(group), 521)
+ || !group_order_tests(group)
+ || !TEST_ptr(P_521 = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(P_521, group))
/* more tests using the last curve */
/* Restore the point that got mangled in the (x, y + 1) test. */
- if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))
- ABORT;
-
- if (!EC_POINT_copy(Q, P))
- ABORT;
- if (EC_POINT_is_at_infinity(group, Q))
- ABORT;
- if (!EC_POINT_dbl(group, P, P, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
- ABORT;
- if (!EC_POINT_invert(group, Q, ctx))
- ABORT; /* P = -2Q */
-
- if (!EC_POINT_add(group, R, P, Q, ctx))
- ABORT;
- if (!EC_POINT_add(group, R, R, Q, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, R))
- ABORT; /* R = P + 2Q */
+ || !TEST_true(EC_POINT_set_affine_coordinates(group, P, x, y, ctx))
+ || !TEST_true(EC_POINT_copy(Q, P))
+ || !TEST_false(EC_POINT_is_at_infinity(group, Q))
+ || !TEST_true(EC_POINT_dbl(group, P, P, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(EC_POINT_invert(group, Q, ctx)) /* P = -2Q */
+ || !TEST_true(EC_POINT_add(group, R, P, Q, ctx))
+ || !TEST_true(EC_POINT_add(group, R, R, Q, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, R)) /* R = P + 2Q */
+ || !TEST_false(EC_POINT_is_at_infinity(group, Q)))
+ goto err;
+ points[0] = Q;
+ points[1] = Q;
+ points[2] = Q;
+ points[3] = Q;
+
+ if (!TEST_true(EC_GROUP_get_order(group, z, ctx))
+ || !TEST_true(BN_add(y, z, BN_value_one()))
+ || !TEST_BN_even(y)
+ || !TEST_true(BN_rshift1(y, y)))
+ goto err;
+ scalars[0] = y; /* (group order + 1)/2, so y*Q + y*Q = Q */
+ scalars[1] = y;
+
+ TEST_note("combined multiplication ...");
+
+ /* z is still the group order */
+ if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
+ || !TEST_true(EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, R, Q, ctx))
+ || !TEST_true(BN_rand(y, BN_num_bits(y), 0, 0))
+ || !TEST_true(BN_add(z, z, y)))
+ goto err;
+ BN_set_negative(z, 1);
+ scalars[0] = y;
+ scalars[1] = z; /* z = -(order + y) */
+
+ if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P))
+ || !TEST_true(BN_rand(x, BN_num_bits(y) - 1, 0, 0))
+ || !TEST_true(BN_add(z, x, y)))
+ goto err;
+ BN_set_negative(z, 1);
+ scalars[0] = x;
+ scalars[1] = y;
+ scalars[2] = z; /* z = -(x+y) */
+
+ if (!TEST_ptr(scalar3 = BN_new()))
+ goto err;
+ BN_zero(scalar3);
+ scalars[3] = scalar3;
+
+ if (!TEST_true(EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+ goto err;
+
+ TEST_note(" ok\n");
+
+
+ r = 1;
+err:
+ BN_CTX_free(ctx);
+ BN_free(p);
+ BN_free(a);
+ BN_free(b);
+ EC_GROUP_free(group);
+ EC_GROUP_free(tmp);
+ EC_POINT_free(P);
+ EC_POINT_free(Q);
+ EC_POINT_free(R);
+ BN_free(x);
+ BN_free(y);
+ BN_free(z);
+ BN_free(yplusone);
+ BN_free(scalar3);
+ EC_GROUP_free(P_160);
+ EC_GROUP_free(P_192);
+ EC_GROUP_free(P_224);
+ EC_GROUP_free(P_256);
+ EC_GROUP_free(P_384);
+ EC_GROUP_free(P_521);
+ return r;
+}
+
+# ifndef OPENSSL_NO_EC2M
+
+static struct c2_curve_test {
+ const char *name;
+ const char *p;
+ const char *a;
+ const char *b;
+ const char *x;
+ const char *y;
+ int ybit;
+ const char *order;
+ const char *cof;
+ int degree;
+} char2_curve_tests[] = {
+ /* Curve K-163 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve K-163",
+ "0800000000000000000000000000000000000000C9",
+ "1",
+ "1",
+ "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8",
+ "0289070FB05D38FF58321F2E800536D538CCDAA3D9",
+ 1, "04000000000000000000020108A2E0CC0D99F8A5EF", "2", 163
+ },
+ /* Curve B-163 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve B-163",
+ "0800000000000000000000000000000000000000C9",
+ "1",
+ "020A601907B8C953CA1481EB10512F78744A3205FD",
+ "03F0EBA16286A2D57EA0991168D4994637E8343E36",
+ "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1",
+ 1, "040000000000000000000292FE77E70C12A4234C33", "2", 163
+ },
+ /* Curve K-233 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve K-233",
+ "020000000000000000000000000000000000000004000000000000000001",
+ "0",
+ "1",
+ "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126",
+ "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3",
+ 0,
+ "008000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF",
+ "4", 233
+ },
+ /* Curve B-233 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve B-233",
+ "020000000000000000000000000000000000000004000000000000000001",
+ "000000000000000000000000000000000000000000000000000000000001",
+ "0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD",
+ "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B",
+ "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052",
+ 1,
+ "01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7",
+ "2", 233
+ },
+ /* Curve K-283 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve K-283",
+ "08000000"
+ "00000000000000000000000000000000000000000000000000000000000010A1",
+ "0",
+ "1",
+ "0503213F"
+ "78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836",
+ "01CCDA38"
+ "0F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259",
+ 0,
+ "01FFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61",
+ "4", 283
+ },
+ /* Curve B-283 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve B-283",
+ "08000000"
+ "00000000000000000000000000000000000000000000000000000000000010A1",
+ "00000000"
+ "0000000000000000000000000000000000000000000000000000000000000001",
+ "027B680A"
+ "C8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5",
+ "05F93925"
+ "8DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053",
+ "03676854"
+ "FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4",
+ 1,
+ "03FFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307",
+ "2", 283
+ },
+ /* Curve K-409 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve K-409",
+ "0200000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000008000000000000000000001",
+ "0",
+ "1",
+ "0060F05F658F49C1AD3AB1890F7184210EFD0987"
+ "E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746",
+ "01E369050B7C4E42ACBA1DACBF04299C3460782F"
+ "918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B",
+ 1,
+ "007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF",
+ "4", 409
+ },
+ /* Curve B-409 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve B-409",
+ "0200000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000008000000000000000000001",
+ "0000000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000001",
+ "0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422E"
+ "F1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F",
+ "015D4860D088DDB3496B0C6064756260441CDE4A"
+ "F1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7",
+ "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5"
+ "A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706",
+ 1,
+ "0100000000000000000000000000000000000000"
+ "00000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173",
+ "2", 409
+ },
+ /* Curve K-571 (FIPS PUB 186-2, App. 6) */
+ {
+ "NIST curve K-571",
+ "800000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000425",
+ "0",
+ "1",
+ "026EB7A859923FBC"
+ "82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E6"
+ "47DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972",
+ "0349DC807F4FBF37"
+ "4F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA7"
+ "4FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3",
+ 0,
+ "0200000000000000"
+ "00000000000000000000000000000000000000000000000000000000131850E1"
+ "F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001",
+ "4", 571
+ },
+ /* Curve B-571 (FIPS PUB 186-2, App. 6) */
{
- const EC_POINT *points[4];
- const BIGNUM *scalars[4];
- BIGNUM *scalar3;
+ "NIST curve B-571",
+ "800000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000425",
+ "0000000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000001",
+ "02F40E7E2221F295"
+ "DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA5933"
+ "2BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A",
+ "0303001D34B85629"
+ "6C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293"
+ "CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19",
+ "037BF27342DA639B"
+ "6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A57"
+ "6291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B",
+ 1,
+ "03FFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18"
+ "FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47",
+ "2", 571
+ }
+};
+
+static int char2_curve_test(int n)
+{
+ int r = 0;
+ BN_CTX *ctx = NULL;
+ BIGNUM *p = NULL, *a = NULL, *b = NULL;
+ BIGNUM *x = NULL, *y = NULL, *z = NULL, *cof = NULL, *yplusone = NULL;
+ EC_GROUP *group = NULL, *variable = NULL;
+ EC_POINT *P = NULL, *Q = NULL, *R = NULL;
+ const EC_POINT *points[3];
+ const BIGNUM *scalars[3];
+ struct c2_curve_test *const test = char2_curve_tests + n;
+
+ if (!TEST_ptr(ctx = BN_CTX_new())
+ || !TEST_ptr(p = BN_new())
+ || !TEST_ptr(a = BN_new())
+ || !TEST_ptr(b = BN_new())
+ || !TEST_ptr(x = BN_new())
+ || !TEST_ptr(y = BN_new())
+ || !TEST_ptr(z = BN_new())
+ || !TEST_ptr(yplusone = BN_new())
+ || !TEST_true(BN_hex2bn(&p, test->p))
+ || !TEST_true(BN_hex2bn(&a, test->a))
+ || !TEST_true(BN_hex2bn(&b, test->b))
+ || !TEST_true(group = EC_GROUP_new(EC_GF2m_simple_method()))
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+ || !TEST_ptr(P = EC_POINT_new(group))
+ || !TEST_ptr(Q = EC_POINT_new(group))
+ || !TEST_ptr(R = EC_POINT_new(group))
+ || !TEST_true(BN_hex2bn(&x, test->x))
+ || !TEST_true(BN_hex2bn(&y, test->y))
+ || !TEST_true(BN_add(yplusone, y, BN_value_one())))
+ goto err;
+
+/* Change test based on whether binary point compression is enabled or not. */
+# ifdef OPENSSL_EC_BIN_PT_COMP
+ /*
+ * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+ * and therefore setting the coordinates should fail.
+ */
+ if (!TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone, ctx))
+ || !TEST_true(EC_POINT_set_compressed_coordinates(group, P, x,
+ test->y_bit,
+ ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(BN_hex2bn(&z, test->order))
+ || !TEST_true(BN_hex2bn(&cof, test->cof))
+ || !TEST_true(EC_GROUP_set_generator(group, P, z, cof))
+ || !TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y, ctx)))
+ goto err;
+ TEST_info("%s -- Generator", test->name);
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
+ /* G_y value taken from the standard: */
+ if (!TEST_true(BN_hex2bn(&z, test->y))
+ || !TEST_BN_eq(y, z))
+ goto err;
+# else
+ /*
+ * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+ * and therefore setting the coordinates should fail.
+ */
+ if (!TEST_false(EC_POINT_set_affine_coordinates(group, P, x, yplusone, ctx))
+ || !TEST_true(EC_POINT_set_affine_coordinates(group, P, x, y, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(BN_hex2bn(&z, test->order))
+ || !TEST_true(BN_hex2bn(&cof, test->cof))
+ || !TEST_true(EC_GROUP_set_generator(group, P, z, cof)))
+ goto err;
+ TEST_info("%s -- Generator:", test->name);
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
+# endif
+
+ if (!TEST_int_eq(EC_GROUP_get_degree(group), test->degree)
+ || !group_order_tests(group)
+ || !TEST_ptr(variable = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(variable, group)))
+ goto err;
+
+ /* more tests using the last curve */
+ if (n == OSSL_NELEM(char2_curve_tests) - 1) {
+ if (!TEST_true(EC_POINT_set_affine_coordinates(group, P, x, y, ctx))
+ || !TEST_true(EC_POINT_copy(Q, P))
+ || !TEST_false(EC_POINT_is_at_infinity(group, Q))
+ || !TEST_true(EC_POINT_dbl(group, P, P, ctx))
+ || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+ || !TEST_true(EC_POINT_invert(group, Q, ctx)) /* P = -2Q */
+ || !TEST_true(EC_POINT_add(group, R, P, Q, ctx))
+ || !TEST_true(EC_POINT_add(group, R, R, Q, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, R)) /* R = P + 2Q */
+ || !TEST_false(EC_POINT_is_at_infinity(group, Q)))
+ goto err;
- if (EC_POINT_is_at_infinity(group, Q))
- ABORT;
points[0] = Q;
points[1] = Q;
points[2] = Q;
- points[3] = Q;
-
- if (!EC_GROUP_get_order(group, z, ctx))
- ABORT;
- if (!BN_add(y, z, BN_value_one()))
- ABORT;
- if (BN_is_odd(y))
- ABORT;
- if (!BN_rshift1(y, y))
- ABORT;
+
+ if (!TEST_true(BN_add(y, z, BN_value_one()))
+ || !TEST_BN_even(y)
+ || !TEST_true(BN_rshift1(y, y)))
+ goto err;
scalars[0] = y; /* (group order + 1)/2, so y*Q + y*Q = Q */
scalars[1] = y;
- fprintf(stdout, "combined multiplication ...");
- fflush(stdout);
+ TEST_note("combined multiplication ...");
/* z is still the group order */
- if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
- ABORT;
- if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, R, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, R, Q, ctx))
- ABORT;
-
- fprintf(stdout, ".");
- fflush(stdout);
-
- if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0))
- ABORT;
- if (!BN_add(z, z, y))
- ABORT;
+ if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
+ || !TEST_true(EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, R, Q, ctx)))
+ goto err;
+
+ if (!TEST_true(BN_rand(y, BN_num_bits(y), 0, 0))
+ || !TEST_true(BN_add(z, z, y)))
+ goto err;
BN_set_negative(z, 1);
scalars[0] = y;
scalars[1] = z; /* z = -(order + y) */
- if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
-
- fprintf(stdout, ".");
- fflush(stdout);
+ if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+ goto err;
- if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0))
- ABORT;
- if (!BN_add(z, x, y))
- ABORT;
+ if (!TEST_true(BN_rand(x, BN_num_bits(y) - 1, 0, 0))
+ || !TEST_true(BN_add(z, x, y)))
+ goto err;
BN_set_negative(z, 1);
scalars[0] = x;
scalars[1] = y;
scalars[2] = z; /* z = -(x+y) */
- scalar3 = BN_new();
- if (!scalar3)
- ABORT;
- BN_zero(scalar3);
- scalars[3] = scalar3;
-
- if (!EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
-
- fprintf(stdout, " ok\n\n");
-
- BN_free(scalar3);
+ if (!TEST_true(EC_POINTs_mul(group, P, NULL, 3, points, scalars, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+ goto err;;
}
+ r = 1;
+err:
BN_CTX_free(ctx);
BN_free(p);
BN_free(a);
BN_free(b);
- EC_GROUP_free(group);
- EC_POINT_free(P);
- EC_POINT_free(Q);
- EC_POINT_free(R);
BN_free(x);
BN_free(y);
BN_free(z);
BN_free(yplusone);
-
- EC_GROUP_free(P_160);
- EC_GROUP_free(P_192);
- EC_GROUP_free(P_224);
- EC_GROUP_free(P_256);
- EC_GROUP_free(P_384);
- EC_GROUP_free(P_521);
-
+ BN_free(cof);
+ EC_POINT_free(P);
+ EC_POINT_free(Q);
+ EC_POINT_free(R);
+ EC_GROUP_free(group);
+ EC_GROUP_free(variable);
+ return r;
}
-/* Change test based on whether binary point compression is enabled or not. */
-# ifdef OPENSSL_EC_BIN_PT_COMP
-# define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
- if (!BN_hex2bn(&x, _x)) ABORT; \
- if (!BN_hex2bn(&y, _y)) ABORT; \
- if (!BN_add(yplusone, y, BN_value_one())) ABORT; \
- /* \
- * When (x, y) is on the curve, (x, y + 1) is, as it happens, not, \
- * and therefore setting the coordinates should fail. \
- */ \
- if (EC_POINT_set_affine_coordinates_GF2m(group, P, x, yplusone, ctx)) ABORT; \
- if (!EC_POINT_set_compressed_coordinates_GF2m(group, P, x, _y_bit, ctx)) ABORT; \
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; \
- if (!BN_hex2bn(&z, _order)) ABORT; \
- if (!BN_hex2bn(&cof, _cof)) ABORT; \
- if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \
- if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \
- fprintf(stdout, "\n%s -- Generator:\n x = 0x", _name); \
- BN_print_fp(stdout, x); \
- fprintf(stdout, "\n y = 0x"); \
- BN_print_fp(stdout, y); \
- fprintf(stdout, "\n"); \
- /* G_y value taken from the standard: */ \
- if (!BN_hex2bn(&z, _y)) ABORT; \
- if (0 != BN_cmp(y, z)) ABORT;
-# else
-# define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
- if (!BN_hex2bn(&x, _x)) ABORT; \
- if (!BN_hex2bn(&y, _y)) ABORT; \
- if (!BN_add(yplusone, y, BN_value_one())) ABORT; \
- /* \
- * When (x, y) is on the curve, (x, y + 1) is, as it happens, not, \
- * and therefore setting the coordinates should fail. \
- */ \
- if (EC_POINT_set_affine_coordinates_GF2m(group, P, x, yplusone, ctx)) ABORT; \
- if (!EC_POINT_set_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; \
- if (!BN_hex2bn(&z, _order)) ABORT; \
- if (!BN_hex2bn(&cof, _cof)) ABORT; \
- if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \
- fprintf(stdout, "\n%s -- Generator:\n x = 0x", _name); \
- BN_print_fp(stdout, x); \
- fprintf(stdout, "\n y = 0x"); \
- BN_print_fp(stdout, y); \
- fprintf(stdout, "\n");
-# endif
-
-# define CHAR2_CURVE_TEST(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
- if (!BN_hex2bn(&p, _p)) ABORT; \
- if (!BN_hex2bn(&a, _a)) ABORT; \
- if (!BN_hex2bn(&b, _b)) ABORT; \
- if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx)) ABORT; \
- CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
- fprintf(stdout, "verify degree ..."); \
- if (EC_GROUP_get_degree(group) != _degree) ABORT; \
- fprintf(stdout, " ok\n"); \
- group_order_tests(group); \
- if ((_variable = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) ABORT; \
- if (!EC_GROUP_copy(_variable, group)) ABORT; \
-
-# ifndef OPENSSL_NO_EC2M
-
-static void char2_field_tests(void)
+static int char2_field_tests(void)
{
BN_CTX *ctx = NULL;
- BIGNUM *p, *a, *b;
- EC_GROUP *group;
- EC_GROUP *C2_K163 = NULL, *C2_K233 = NULL, *C2_K283 = NULL, *C2_K409 =
- NULL, *C2_K571 = NULL;
- EC_GROUP *C2_B163 = NULL, *C2_B233 = NULL, *C2_B283 = NULL, *C2_B409 =
- NULL, *C2_B571 = NULL;
- EC_POINT *P, *Q, *R;
- BIGNUM *x, *y, *z, *cof, *yplusone;
+ BIGNUM *p = NULL, *a = NULL, *b = NULL;
+ EC_GROUP *group = NULL, *tmp = NULL;
+ EC_POINT *P = NULL, *Q = NULL, *R = NULL;
+ BIGNUM *x = NULL, *y = NULL, *z = NULL, *cof = NULL, *yplusone = NULL;
unsigned char buf[100];
- size_t i, len;
- int k;
-
- ctx = BN_CTX_new();
- if (!ctx)
- ABORT;
-
- p = BN_new();
- a = BN_new();
- b = BN_new();
- if (p == NULL || a == NULL || b == NULL)
- ABORT;
-
- if (!BN_hex2bn(&p, "13"))
- ABORT;
- if (!BN_hex2bn(&a, "3"))
- ABORT;
- if (!BN_hex2bn(&b, "1"))
- ABORT;
+ size_t len;
+ int k, r = 0;
+
+ if (!TEST_ptr(ctx = BN_CTX_new())
+ || !TEST_ptr(p = BN_new())
+ || !TEST_ptr(a = BN_new())
+ || !TEST_ptr(b = BN_new())
+ || !TEST_true(BN_hex2bn(&p, "13"))
+ || !TEST_true(BN_hex2bn(&a, "3"))
+ || !TEST_true(BN_hex2bn(&b, "1")))
+ goto err;
group = EC_GROUP_new(EC_GF2m_simple_method()); /* applications should use
* EC_GROUP_new_curve_GF2m
* so that the library gets
* to choose the EC_METHOD */
- if (!group)
- ABORT;
- if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx))
- ABORT;
+ if (!TEST_ptr(group)
+ || !TEST_true(EC_GROUP_set_curve(group, p, a, b, ctx))
+ || !TEST_ptr(tmp = EC_GROUP_new(EC_GROUP_method_of(group)))
+ || !TEST_true(EC_GROUP_copy(tmp, group)))
+ goto err;
+ EC_GROUP_free(group);
+ group = tmp;
+ tmp = NULL;
- {
- EC_GROUP *tmp;
- tmp = EC_GROUP_new(EC_GROUP_method_of(group));
- if (!tmp)
- ABORT;
- if (!EC_GROUP_copy(tmp, group))
- ABORT;
- EC_GROUP_free(group);
- group = tmp;
- }
+ if (!TEST_true(EC_GROUP_get_curve(group, p, a, b, ctx)))
+ goto err;
+
+ TEST_info("Curve defined by Weierstrass equation");
+ TEST_note(" y^2 + x*y = x^3 + a*x^2 + b (mod p)");
+ test_output_bignum("a", a);
+ test_output_bignum("b", b);
+ test_output_bignum("p", p);
- if (!EC_GROUP_get_curve_GF2m(group, p, a, b, ctx))
- ABORT;
-
- fprintf(stdout,
- "Curve defined by Weierstrass equation\n y^2 + x*y = x^3 + a*x^2 + b (mod 0x");
- BN_print_fp(stdout, p);
- fprintf(stdout, ")\n a = 0x");
- BN_print_fp(stdout, a);
- fprintf(stdout, "\n b = 0x");
- BN_print_fp(stdout, b);
- fprintf(stdout, "\n(0x... means binary polynomial)\n");
-
- P = EC_POINT_new(group);
- Q = EC_POINT_new(group);
- R = EC_POINT_new(group);
- if (!P || !Q || !R)
- ABORT;
-
- if (!EC_POINT_set_to_infinity(group, P))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
+ if (!TEST_ptr(P = EC_POINT_new(group))
+ || !TEST_ptr(Q = EC_POINT_new(group))
+ || !TEST_ptr(R = EC_POINT_new(group))
+ || !TEST_true(EC_POINT_set_to_infinity(group, P))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+ goto err;
buf[0] = 0;
- if (!EC_POINT_oct2point(group, Q, buf, 1, ctx))
- ABORT;
-
- if (!EC_POINT_add(group, P, P, Q, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
-
- x = BN_new();
- y = BN_new();
- z = BN_new();
- cof = BN_new();
- yplusone = BN_new();
- if (x == NULL || y == NULL || z == NULL || cof == NULL || yplusone == NULL)
- ABORT;
-
- if (!BN_hex2bn(&x, "6"))
- ABORT;
+ if (!TEST_true(EC_POINT_oct2point(group, Q, buf, 1, ctx))
+ || !TEST_true(EC_POINT_add(group, P, P, Q, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P))
+ || !TEST_ptr(x = BN_new())
+ || !TEST_ptr(y = BN_new())
+ || !TEST_ptr(z = BN_new())
+ || !TEST_ptr(cof = BN_new())
+ || !TEST_ptr(yplusone = BN_new())
+ || !TEST_true(BN_hex2bn(&x, "6"))
/* Change test based on whether binary point compression is enabled or not. */
# ifdef OPENSSL_EC_BIN_PT_COMP
- if (!EC_POINT_set_compressed_coordinates_GF2m(group, Q, x, 1, ctx))
- ABORT;
+ || !TEST_true(EC_POINT_set_compressed_coordinates(group, Q, x, 1, ctx))
# else
- if (!BN_hex2bn(&y, "8"))
- ABORT;
- if (!EC_POINT_set_affine_coordinates_GF2m(group, Q, x, y, ctx))
- ABORT;
+ || !TEST_true(BN_hex2bn(&y, "8"))
+ || !TEST_true(EC_POINT_set_affine_coordinates(group, Q, x, y, ctx))
# endif
- if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) {
+ )
+ goto err;
+ if (!TEST_int_gt(EC_POINT_is_on_curve(group, Q, ctx), 0)) {
/* Change test based on whether binary point compression is enabled or not. */
# ifdef OPENSSL_EC_BIN_PT_COMP
- if (!EC_POINT_get_affine_coordinates_GF2m(group, Q, x, y, ctx))
- ABORT;
+ if (!TEST_true(EC_POINT_get_affine_coordinates(group, Q, x, y, ctx)))
+ goto err;
# endif
- fprintf(stderr, "Point is not on curve: x = 0x");
- BN_print_fp(stderr, x);
- fprintf(stderr, ", y = 0x");
- BN_print_fp(stderr, y);
- fprintf(stderr, "\n");
- ABORT;
+ TEST_info("Point is not on curve");
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
+ goto err;
}
- fprintf(stdout, "A cyclic subgroup:\n");
+ TEST_note("A cyclic subgroup:");
k = 100;
do {
- if (k-- == 0)
- ABORT;
+ if (!TEST_int_ne(k--, 0))
+ goto err;
if (EC_POINT_is_at_infinity(group, P))
- fprintf(stdout, " point at infinity\n");
+ TEST_note(" point at infinity");
else {
- if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx))
- ABORT;
-
- fprintf(stdout, " x = 0x");
- BN_print_fp(stdout, x);
- fprintf(stdout, ", y = 0x");
- BN_print_fp(stdout, y);
- fprintf(stdout, "\n");
+ if (!TEST_true(EC_POINT_get_affine_coordinates(group, P, x, y,
+ ctx)))
+ goto err;
+
+ test_output_bignum("x", x);
+ test_output_bignum("y", y);
}
- if (!EC_POINT_copy(R, P))
- ABORT;
- if (!EC_POINT_add(group, P, P, Q, ctx))
- ABORT;
+ if (!TEST_true(EC_POINT_copy(R, P))
+ || !TEST_true(EC_POINT_add(group, P, P, Q, ctx)))
+ goto err;
}
while (!EC_POINT_is_at_infinity(group, P));
- if (!EC_POINT_add(group, P, Q, R, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
+ if (!TEST_true(EC_POINT_add(group, P, Q, R, ctx))
+ || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+ goto err;
/* Change test based on whether binary point compression is enabled or not. */
# ifdef OPENSSL_EC_BIN_PT_COMP
- len =
- EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf,
- sizeof buf, ctx);
- if (len == 0)
- ABORT;
- if (!EC_POINT_oct2point(group, P, buf, len, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, Q, ctx))
- ABORT;
- fprintf(stdout, "Generator as octet string, compressed form:\n ");
- for (i = 0; i < len; i++)
- fprintf(stdout, "%02X", buf[i]);
+ len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED,
+ buf, sizeof(buf), ctx);
+ if (!TEST_size_t_ne(len, 0)
+ || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+ goto err;
+ test_output_memory("Generator as octet string, compressed form:",
+ buf, len);
# endif
- len =
- EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf,
- sizeof buf, ctx);
- if (len == 0)
- ABORT;
- if (!EC_POINT_oct2point(group, P, buf, len, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, Q, ctx))
- ABORT;
- fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n ");
- for (i = 0; i < len; i++)
- fprintf(stdout, "%02X", buf[i]);
+ len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED,
+ buf, sizeof(buf), ctx);
+ if (!TEST_size_t_ne(len, 0)
+ || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+ goto err;
+ test_output_memory("Generator as octet string, uncompressed form:",
+ buf, len);
/* Change test based on whether binary point compression is enabled or not. */
# ifdef OPENSSL_EC_BIN_PT_COMP
len =
- EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf,
+ EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof(buf),
ctx);
- if (len == 0)
- ABORT;
- if (!EC_POINT_oct2point(group, P, buf, len, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, Q, ctx))
- ABORT;
- fprintf(stdout, "\nGenerator as octet string, hybrid form:\n ");
- for (i = 0; i < len; i++)
- fprintf(stdout, "%02X", buf[i]);
+ if (!TEST_size_t_ne(len, 0)
+ || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+ goto err;
+ test_output_memory("Generator as octet string, hybrid form:",
+ buf, len);
# endif
- fprintf(stdout, "\n");
-
- if (!EC_POINT_invert(group, P, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, R, ctx))
- ABORT;
-
- /* Curve K-163 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve K-163",
- "0800000000000000000000000000000000000000C9",
- "1",
- "1",
- "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8",
- "0289070FB05D38FF58321F2E800536D538CCDAA3D9",
- 1, "04000000000000000000020108A2E0CC0D99F8A5EF", "2", 163, C2_K163);
-
- /* Curve B-163 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve B-163",
- "0800000000000000000000000000000000000000C9",
- "1",
- "020A601907B8C953CA1481EB10512F78744A3205FD",
- "03F0EBA16286A2D57EA0991168D4994637E8343E36",
- "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1",
- 1, "040000000000000000000292FE77E70C12A4234C33", "2", 163, C2_B163);
-
- /* Curve K-233 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve K-233",
- "020000000000000000000000000000000000000004000000000000000001",
- "0",
- "1",
- "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126",
- "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3",
- 0,
- "008000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF",
- "4", 233, C2_K233);
-
- /* Curve B-233 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve B-233",
- "020000000000000000000000000000000000000004000000000000000001",
- "000000000000000000000000000000000000000000000000000000000001",
- "0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD",
- "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B",
- "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052",
- 1,
- "01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7",
- "2", 233, C2_B233);
-
- /* Curve K-283 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve K-283",
- "0800000000000000000000000000000000000000000000000000000000000000000010A1",
- "0",
- "1",
- "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836",
- "01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259",
- 0,
- "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61",
- "4", 283, C2_K283);
-
- /* Curve B-283 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve B-283",
- "0800000000000000000000000000000000000000000000000000000000000000000010A1",
- "000000000000000000000000000000000000000000000000000000000000000000000001",
- "027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5",
- "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053",
- "03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4",
- 1,
- "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307",
- "2", 283, C2_B283);
-
- /* Curve K-409 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve K-409",
- "02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001",
- "0",
- "1",
- "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746",
- "01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B",
- 1,
- "007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF",
- "4", 409, C2_K409);
-
- /* Curve B-409 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve B-409",
- "02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001",
- "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
- "0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F",
- "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7",
- "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706",
- 1,
- "010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173",
- "2", 409, C2_B409);
-
- /* Curve K-571 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve K-571",
- "80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425",
- "0",
- "1",
- "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972",
- "0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3",
- 0,
- "020000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001",
- "4", 571, C2_K571);
-
- /* Curve B-571 (FIPS PUB 186-2, App. 6) */
- CHAR2_CURVE_TEST
- ("NIST curve B-571",
- "80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425",
- "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
- "02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A",
- "0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19",
- "037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B",
- 1,
- "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47",
- "2", 571, C2_B571);
-
- /* more tests using the last curve */
-
- if (!EC_POINT_copy(Q, P))
- ABORT;
- if (EC_POINT_is_at_infinity(group, Q))
- ABORT;
- if (!EC_POINT_dbl(group, P, P, ctx))
- ABORT;
- if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
- ABORT;
- if (!EC_POINT_invert(group, Q, ctx))
- ABORT; /* P = -2Q */
-
- if (!EC_POINT_add(group, R, P, Q, ctx))
- ABORT;
- if (!EC_POINT_add(group, R, R, Q, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, R))
- ABORT; /* R = P + 2Q */
-
- {
- const EC_POINT *points[3];
- const BIGNUM *scalars[3];
-
- if (EC_POINT_is_at_infinity(group, Q))
- ABORT;
- points[0] = Q;
- points[1] = Q;
- points[2] = Q;
-
- if (!BN_add(y, z, BN_value_one()))
- ABORT;
- if (BN_is_odd(y))
- ABORT;
- if (!BN_rshift1(y, y))
- ABORT;
- scalars[0] = y; /* (group order + 1)/2, so y*Q + y*Q = Q */
- scalars[1] = y;
-
- fprintf(stdout, "combined multiplication ...");
- fflush(stdout);
-
- /* z is still the group order */
- if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
- ABORT;
- if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, P, R, ctx))
- ABORT;
- if (0 != EC_POINT_cmp(group, R, Q, ctx))
- ABORT;
-
- fprintf(stdout, ".");
- fflush(stdout);
-
- if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0))
- ABORT;
- if (!BN_add(z, z, y))
- ABORT;
- BN_set_negative(z, 1);
- scalars[0] = y;
- scalars[1] = z; /* z = -(order + y) */
-
- if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
-
- fprintf(stdout, ".");
- fflush(stdout);
-
- if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0))
- ABORT;
- if (!BN_add(z, x, y))
- ABORT;
- BN_set_negative(z, 1);
- scalars[0] = x;
- scalars[1] = y;
- scalars[2] = z; /* z = -(x+y) */
+ if (!TEST_true(EC_POINT_invert(group, P, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx)))
+ goto err;
- if (!EC_POINTs_mul(group, P, NULL, 3, points, scalars, ctx))
- ABORT;
- if (!EC_POINT_is_at_infinity(group, P))
- ABORT;
-
- fprintf(stdout, " ok\n\n");
- }
+ TEST_note("\n");
+ r = 1;
+err:
BN_CTX_free(ctx);
BN_free(p);
BN_free(a);
BN_free(b);
EC_GROUP_free(group);
+ EC_GROUP_free(tmp);
EC_POINT_free(P);
EC_POINT_free(Q);
EC_POINT_free(R);
BN_free(z);
BN_free(cof);
BN_free(yplusone);
-
- EC_GROUP_free(C2_K163);
- EC_GROUP_free(C2_B163);
- EC_GROUP_free(C2_K233);
- EC_GROUP_free(C2_B233);
- EC_GROUP_free(C2_K283);
- EC_GROUP_free(C2_B283);
- EC_GROUP_free(C2_K409);
- EC_GROUP_free(C2_B409);
- EC_GROUP_free(C2_K571);
- EC_GROUP_free(C2_B571);
-
+ return r;
}
# endif
-static void internal_curve_test(void)
+static int internal_curve_test(int n)
{
- EC_builtin_curve *curves = NULL;
- size_t crv_len = 0, n = 0;
- int ok = 1;
-
- crv_len = EC_get_builtin_curves(NULL, 0);
- curves = OPENSSL_malloc(sizeof(*curves) * crv_len);
- if (curves == NULL)
- return;
+ EC_GROUP *group = NULL;
+ int nid = curves[n].nid;
- if (!EC_get_builtin_curves(curves, crv_len)) {
- OPENSSL_free(curves);
- return;
+ if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))) {
+ TEST_info("EC_GROUP_new_curve_name() failed with curve %s\n",
+ OBJ_nid2sn(nid));
+ return 0;
}
-
- fprintf(stdout, "testing internal curves: ");
-
- for (n = 0; n < crv_len; n++) {
- EC_GROUP *group = NULL;
- int nid = curves[n].nid;
- if ((group = EC_GROUP_new_by_curve_name(nid)) == NULL) {
- ok = 0;
- fprintf(stdout, "\nEC_GROUP_new_curve_name() failed with"
- " curve %s\n", OBJ_nid2sn(nid));
- /* try next curve */
- continue;
- }
- if (!EC_GROUP_check(group, NULL)) {
- ok = 0;
- fprintf(stdout, "\nEC_GROUP_check() failed with"
- " curve %s\n", OBJ_nid2sn(nid));
- EC_GROUP_free(group);
- /* try the next curve */
- continue;
- }
- fprintf(stdout, ".");
- fflush(stdout);
+ if (!TEST_true(EC_GROUP_check(group, NULL))) {
+ TEST_info("EC_GROUP_check() failed with curve %s\n", OBJ_nid2sn(nid));
EC_GROUP_free(group);
+ return 0;
}
- if (ok)
- fprintf(stdout, " ok\n\n");
- else {
- fprintf(stdout, " failed\n\n");
- ABORT;
- }
+ EC_GROUP_free(group);
+ return 1;
+}
- /* Test all built-in curves and let the library choose the EC_METHOD */
- for (n = 0; n < crv_len; n++) {
- EC_GROUP *group = NULL;
- int nid = curves[n].nid;
- /*
- * Skip for X25519 because low level operations such as EC_POINT_mul()
- * are not supported for this curve
- */
- if (nid == NID_X25519)
- continue;
- fprintf(stdout, "%s:\n", OBJ_nid2sn(nid));
- fflush(stdout);
- if ((group = EC_GROUP_new_by_curve_name(nid)) == NULL) {
- ABORT;
- }
- group_order_tests(group);
- EC_GROUP_free(group);
+static int internal_curve_test_method(int n)
+{
+ int r, nid = curves[n].nid;
+ EC_GROUP *group;
+
+ if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))) {
+ TEST_info("Curve %s failed\n", OBJ_nid2sn(nid));
+ return 0;
}
+ r = group_order_tests(group);
+ EC_GROUP_free(group);
+ return r;
+}
- OPENSSL_free(curves);
- return;
+static int group_field_test(void)
+{
+ int r = 1;
+ BIGNUM *secp521r1_field = NULL;
+ BIGNUM *sect163r2_field = NULL;
+ EC_GROUP *secp521r1_group = NULL;
+ EC_GROUP *sect163r2_group = NULL;
+
+ BN_hex2bn(&secp521r1_field,
+ "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+ "FFFF");
+
+
+ BN_hex2bn(§163r2_field,
+ "08000000000000000000000000000000"
+ "00000000C9");
+
+ secp521r1_group = EC_GROUP_new_by_curve_name(NID_secp521r1);
+ if (BN_cmp(secp521r1_field, EC_GROUP_get0_field(secp521r1_group)))
+ r = 0;
+
+ # ifndef OPENSSL_NO_EC2M
+ sect163r2_group = EC_GROUP_new_by_curve_name(NID_sect163r2);
+ if (BN_cmp(sect163r2_field, EC_GROUP_get0_field(sect163r2_group)))
+ r = 0;
+ # endif
+
+ EC_GROUP_free(secp521r1_group);
+ EC_GROUP_free(sect163r2_group);
+ BN_free(secp521r1_field);
+ BN_free(sect163r2_field);
+ return r;
}
# ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
* implementations of several NIST curves with characteristic > 3.
*/
struct nistp_test_params {
- const EC_METHOD *(*meth) ();
+ const EC_METHOD *(*meth) (void);
int degree;
/*
* Qx, Qy and D are taken from
EC_GFp_nistp521_method,
521,
/* p */
- "1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ "1ff"
+ "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+ "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
/* a */
- "1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc",
+ "1ff"
+ "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+ "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc",
/* b */
- "051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00",
+ "051"
+ "953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e1"
+ "56193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00",
/* Qx */
- "0098e91eef9a68452822309c52fab453f5f117c1da8ed796b255e9ab8f6410cca16e59df403a6bdc6ca467a37056b1e54b3005d8ac030decfeb68df18b171885d5c4",
+ "0098"
+ "e91eef9a68452822309c52fab453f5f117c1da8ed796b255e9ab8f6410cca16e"
+ "59df403a6bdc6ca467a37056b1e54b3005d8ac030decfeb68df18b171885d5c4",
/* Qy */
- "0164350c321aecfc1cca1ba4364c9b15656150b4b78d6a48d7d28e7f31985ef17be8554376b72900712c4b83ad668327231526e313f5f092999a4632fd50d946bc2e",
+ "0164"
+ "350c321aecfc1cca1ba4364c9b15656150b4b78d6a48d7d28e7f31985ef17be8"
+ "554376b72900712c4b83ad668327231526e313f5f092999a4632fd50d946bc2e",
/* Gx */
- "c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66",
+ "c6"
+ "858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dba"
+ "a14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66",
/* Gy */
- "11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650",
+ "118"
+ "39296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c"
+ "97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650",
/* order */
- "1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409",
+ "1ff"
+ "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa"
+ "51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409",
/* d */
- "0100085f47b8e1b8b11b7eb33028c0b2888e304bfc98501955b45bba1478dc184eeedf09b86a5f7c21994406072787205e69a63709fe35aa93ba333514b24f961722",
+ "0100"
+ "085f47b8e1b8b11b7eb33028c0b2888e304bfc98501955b45bba1478dc184eee"
+ "df09b86a5f7c21994406072787205e69a63709fe35aa93ba333514b24f961722",
},
};
-static void nistp_single_test(const struct nistp_test_params *test)
+static int nistp_single_test(int idx)
{
- BN_CTX *ctx;
- BIGNUM *p, *a, *b, *x, *y, *n, *m, *order, *yplusone;
- EC_GROUP *NISTP;
- EC_POINT *G, *P, *Q, *Q_CHECK;
-
- fprintf(stdout, "\nNIST curve P-%d (optimised implementation):\n",
- test->degree);
- ctx = BN_CTX_new();
- p = BN_new();
- a = BN_new();
- b = BN_new();
- x = BN_new();
- y = BN_new();
- m = BN_new();
- n = BN_new();
- order = BN_new();
- yplusone = BN_new();
-
- NISTP = EC_GROUP_new(test->meth());
- if (!NISTP)
- ABORT;
- if (!BN_hex2bn(&p, test->p))
- ABORT;
- if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
- ABORT;
- if (!BN_hex2bn(&a, test->a))
- ABORT;
- if (!BN_hex2bn(&b, test->b))
- ABORT;
- if (!EC_GROUP_set_curve_GFp(NISTP, p, a, b, ctx))
- ABORT;
- G = EC_POINT_new(NISTP);
- P = EC_POINT_new(NISTP);
- Q = EC_POINT_new(NISTP);
- Q_CHECK = EC_POINT_new(NISTP);
- if (!BN_hex2bn(&x, test->Qx))
- ABORT;
- if (!BN_hex2bn(&y, test->Qy))
- ABORT;
- if (!BN_add(yplusone, y, BN_value_one()))
- ABORT;
+ const struct nistp_test_params *test = nistp_tests_params + idx;
+ BN_CTX *ctx = NULL;
+ BIGNUM *p = NULL, *a = NULL, *b = NULL, *x = NULL, *y = NULL;
+ BIGNUM *n = NULL, *m = NULL, *order = NULL, *yplusone = NULL;
+ EC_GROUP *NISTP = NULL;
+ EC_POINT *G = NULL, *P = NULL, *Q = NULL, *Q_CHECK = NULL;
+ int r = 0;
+
+ TEST_note("NIST curve P-%d (optimised implementation):",
+ test->degree);
+ if (!TEST_ptr(ctx = BN_CTX_new())
+ || !TEST_ptr(p = BN_new())
+ || !TEST_ptr(a = BN_new())
+ || !TEST_ptr(b = BN_new())
+ || !TEST_ptr(x = BN_new())
+ || !TEST_ptr(y = BN_new())
+ || !TEST_ptr(m = BN_new())
+ || !TEST_ptr(n = BN_new())
+ || !TEST_ptr(order = BN_new())
+ || !TEST_ptr(yplusone = BN_new())
+
+ || !TEST_ptr(NISTP = EC_GROUP_new(test->meth()))
+ || !TEST_true(BN_hex2bn(&p, test->p))
+ || !TEST_int_eq(1, BN_check_prime(p, ctx, NULL))
+ || !TEST_true(BN_hex2bn(&a, test->a))
+ || !TEST_true(BN_hex2bn(&b, test->b))
+ || !TEST_true(EC_GROUP_set_curve(NISTP, p, a, b, ctx))
+ || !TEST_ptr(G = EC_POINT_new(NISTP))
+ || !TEST_ptr(P = EC_POINT_new(NISTP))
+ || !TEST_ptr(Q = EC_POINT_new(NISTP))
+ || !TEST_ptr(Q_CHECK = EC_POINT_new(NISTP))
+ || !TEST_true(BN_hex2bn(&x, test->Qx))
+ || !TEST_true(BN_hex2bn(&y, test->Qy))
+ || !TEST_true(BN_add(yplusone, y, BN_value_one()))
/*
* When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
* and therefore setting the coordinates should fail.
*/
- if (EC_POINT_set_affine_coordinates_GFp(NISTP, Q_CHECK, x, yplusone, ctx))
- ABORT;
- if (!EC_POINT_set_affine_coordinates_GFp(NISTP, Q_CHECK, x, y, ctx))
- ABORT;
- if (!BN_hex2bn(&x, test->Gx))
- ABORT;
- if (!BN_hex2bn(&y, test->Gy))
- ABORT;
- if (!EC_POINT_set_affine_coordinates_GFp(NISTP, G, x, y, ctx))
- ABORT;
- if (!BN_hex2bn(&order, test->order))
- ABORT;
- if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))
- ABORT;
-
- fprintf(stdout, "verify degree ... ");
- if (EC_GROUP_get_degree(NISTP) != test->degree)
- ABORT;
- fprintf(stdout, "ok\n");
-
- fprintf(stdout, "NIST test vectors ... ");
- if (!BN_hex2bn(&n, test->d))
- ABORT;
+ || !TEST_false(EC_POINT_set_affine_coordinates(NISTP, Q_CHECK, x,
+ yplusone, ctx))
+ || !TEST_true(EC_POINT_set_affine_coordinates(NISTP, Q_CHECK, x, y,
+ ctx))
+ || !TEST_true(BN_hex2bn(&x, test->Gx))
+ || !TEST_true(BN_hex2bn(&y, test->Gy))
+ || !TEST_true(EC_POINT_set_affine_coordinates(NISTP, G, x, y, ctx))
+ || !TEST_true(BN_hex2bn(&order, test->order))
+ || !TEST_true(EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))
+ || !TEST_int_eq(EC_GROUP_get_degree(NISTP), test->degree))
+ goto err;
+
+ TEST_note("NIST test vectors ... ");
+ if (!TEST_true(BN_hex2bn(&n, test->d)))
+ goto err;
/* fixed point multiplication */
EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
+ if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+ goto err;
/* random point multiplication */
EC_POINT_mul(NISTP, Q, NULL, G, n, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
-
- /* set generator to P = 2*G, where G is the standard generator */
- if (!EC_POINT_dbl(NISTP, P, G, ctx))
- ABORT;
- if (!EC_GROUP_set_generator(NISTP, P, order, BN_value_one()))
- ABORT;
- /* set the scalar to m=n/2, where n is the NIST test scalar */
- if (!BN_rshift(m, n, 1))
- ABORT;
+ if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
+
+ /* set generator to P = 2*G, where G is the standard generator */
+ || !TEST_true(EC_POINT_dbl(NISTP, P, G, ctx))
+ || !TEST_true(EC_GROUP_set_generator(NISTP, P, order, BN_value_one()))
+ /* set the scalar to m=n/2, where n is the NIST test scalar */
+ || !TEST_true(BN_rshift(m, n, 1)))
+ goto err;
/* test the non-standard generator */
/* fixed point multiplication */
EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
+ if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+ goto err;
/* random point multiplication */
EC_POINT_mul(NISTP, Q, NULL, P, m, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
+ if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
/*
* We have not performed precomputation so have_precompute mult should be
* false
*/
- if (EC_GROUP_have_precompute_mult(NISTP))
- ABORT;
+ || !TEST_false(EC_GROUP_have_precompute_mult(NISTP))
/* now repeat all tests with precomputation */
- if (!EC_GROUP_precompute_mult(NISTP, ctx))
- ABORT;
- if (!EC_GROUP_have_precompute_mult(NISTP))
- ABORT;
+ || !TEST_true(EC_GROUP_precompute_mult(NISTP, ctx))
+ || !TEST_true(EC_GROUP_have_precompute_mult(NISTP)))
+ goto err;
/* fixed point multiplication */
EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
+ if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+ goto err;
/* random point multiplication */
EC_POINT_mul(NISTP, Q, NULL, P, m, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
+ if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
/* reset generator */
- if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))
- ABORT;
+ || !TEST_true(EC_GROUP_set_generator(NISTP, G, order, BN_value_one())))
+ goto err;
/* fixed point multiplication */
EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
+ if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+ goto err;
/* random point multiplication */
EC_POINT_mul(NISTP, Q, NULL, G, n, ctx);
- if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
- ABORT;
-
- fprintf(stdout, "ok\n");
- group_order_tests(NISTP);
+ if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+ goto err;
+
+ /* regression test for felem_neg bug */
+ if (!TEST_true(BN_set_word(m, 32))
+ || !TEST_true(BN_set_word(n, 31))
+ || !TEST_true(EC_POINT_copy(P, G))
+ || !TEST_true(EC_POINT_invert(NISTP, P, ctx))
+ || !TEST_true(EC_POINT_mul(NISTP, Q, m, P, n, ctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, G, ctx)))
+ goto err;
+
+ r = group_order_tests(NISTP);
+err:
EC_GROUP_free(NISTP);
EC_POINT_free(G);
EC_POINT_free(P);
BN_free(order);
BN_free(yplusone);
BN_CTX_free(ctx);
+ return r;
}
-static void nistp_tests()
+/*
+ * Tests a point known to cause an incorrect underflow in an old version of
+ * ecp_nist521.c
+ */
+static int underflow_test(void)
{
- unsigned i;
+ BN_CTX *ctx = NULL;
+ EC_GROUP *grp = NULL;
+ EC_POINT *P = NULL, *Q = NULL, *R = NULL;
+ BIGNUM *x1 = NULL, *y1 = NULL, *z1 = NULL, *x2 = NULL, *y2 = NULL;
+ BIGNUM *k = NULL;
+ int testresult = 0;
+ const char *x1str =
+ "1534f0077fffffe87e9adcfe000000000000000000003e05a21d2400002e031b1f4"
+ "b80000c6fafa4f3c1288798d624a247b5e2ffffffffffffffefe099241900004";
+ const char *p521m1 =
+ "1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+ "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe";
- for (i = 0; i < OSSL_NELEM(nistp_tests_params); i++) {
- nistp_single_test(&nistp_tests_params[i]);
- }
+ ctx = BN_CTX_new();
+ if (!TEST_ptr(ctx))
+ return 0;
+
+ BN_CTX_start(ctx);
+ x1 = BN_CTX_get(ctx);
+ y1 = BN_CTX_get(ctx);
+ z1 = BN_CTX_get(ctx);
+ x2 = BN_CTX_get(ctx);
+ y2 = BN_CTX_get(ctx);
+ k = BN_CTX_get(ctx);
+ if (!TEST_ptr(k))
+ goto err;
+
+ grp = EC_GROUP_new_by_curve_name(NID_secp521r1);
+ P = EC_POINT_new(grp);
+ Q = EC_POINT_new(grp);
+ R = EC_POINT_new(grp);
+ if (!TEST_ptr(grp) || !TEST_ptr(P) || !TEST_ptr(Q) || !TEST_ptr(R))
+ goto err;
+
+ if (!TEST_int_gt(BN_hex2bn(&x1, x1str), 0)
+ || !TEST_int_gt(BN_hex2bn(&y1, p521m1), 0)
+ || !TEST_int_gt(BN_hex2bn(&z1, p521m1), 0)
+ || !TEST_int_gt(BN_hex2bn(&k, "02"), 0)
+ || !TEST_true(EC_POINT_set_Jprojective_coordinates_GFp(grp, P, x1,
+ y1, z1, ctx))
+ || !TEST_true(EC_POINT_mul(grp, Q, NULL, P, k, ctx))
+ || !TEST_true(EC_POINT_get_affine_coordinates(grp, Q, x1, y1, ctx))
+ || !TEST_true(EC_POINT_dbl(grp, R, P, ctx))
+ || !TEST_true(EC_POINT_get_affine_coordinates(grp, R, x2, y2, ctx)))
+ goto err;
+
+ if (!TEST_int_eq(BN_cmp(x1, x2), 0)
+ || !TEST_int_eq(BN_cmp(y1, y2), 0))
+ goto err;
+
+ testresult = 1;
+
+ err:
+ BN_CTX_end(ctx);
+ EC_POINT_free(P);
+ EC_POINT_free(Q);
+ EC_POINT_free(R);
+ EC_GROUP_free(grp);
+ BN_CTX_free(ctx);
+
+ return testresult;
}
# endif
-static void parameter_test(void)
+static const unsigned char p521_named[] = {
+ 0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x23,
+};
+
+static const unsigned char p521_explicit[] = {
+ 0x30, 0x82, 0x01, 0xc3, 0x02, 0x01, 0x01, 0x30, 0x4d, 0x06, 0x07, 0x2a,
+ 0x86, 0x48, 0xce, 0x3d, 0x01, 0x01, 0x02, 0x42, 0x01, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0x30, 0x81, 0x9f, 0x04, 0x42, 0x01, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xfc, 0x04, 0x42, 0x00, 0x51, 0x95, 0x3e, 0xb9, 0x61, 0x8e, 0x1c, 0x9a,
+ 0x1f, 0x92, 0x9a, 0x21, 0xa0, 0xb6, 0x85, 0x40, 0xee, 0xa2, 0xda, 0x72,
+ 0x5b, 0x99, 0xb3, 0x15, 0xf3, 0xb8, 0xb4, 0x89, 0x91, 0x8e, 0xf1, 0x09,
+ 0xe1, 0x56, 0x19, 0x39, 0x51, 0xec, 0x7e, 0x93, 0x7b, 0x16, 0x52, 0xc0,
+ 0xbd, 0x3b, 0xb1, 0xbf, 0x07, 0x35, 0x73, 0xdf, 0x88, 0x3d, 0x2c, 0x34,
+ 0xf1, 0xef, 0x45, 0x1f, 0xd4, 0x6b, 0x50, 0x3f, 0x00, 0x03, 0x15, 0x00,
+ 0xd0, 0x9e, 0x88, 0x00, 0x29, 0x1c, 0xb8, 0x53, 0x96, 0xcc, 0x67, 0x17,
+ 0x39, 0x32, 0x84, 0xaa, 0xa0, 0xda, 0x64, 0xba, 0x04, 0x81, 0x85, 0x04,
+ 0x00, 0xc6, 0x85, 0x8e, 0x06, 0xb7, 0x04, 0x04, 0xe9, 0xcd, 0x9e, 0x3e,
+ 0xcb, 0x66, 0x23, 0x95, 0xb4, 0x42, 0x9c, 0x64, 0x81, 0x39, 0x05, 0x3f,
+ 0xb5, 0x21, 0xf8, 0x28, 0xaf, 0x60, 0x6b, 0x4d, 0x3d, 0xba, 0xa1, 0x4b,
+ 0x5e, 0x77, 0xef, 0xe7, 0x59, 0x28, 0xfe, 0x1d, 0xc1, 0x27, 0xa2, 0xff,
+ 0xa8, 0xde, 0x33, 0x48, 0xb3, 0xc1, 0x85, 0x6a, 0x42, 0x9b, 0xf9, 0x7e,
+ 0x7e, 0x31, 0xc2, 0xe5, 0xbd, 0x66, 0x01, 0x18, 0x39, 0x29, 0x6a, 0x78,
+ 0x9a, 0x3b, 0xc0, 0x04, 0x5c, 0x8a, 0x5f, 0xb4, 0x2c, 0x7d, 0x1b, 0xd9,
+ 0x98, 0xf5, 0x44, 0x49, 0x57, 0x9b, 0x44, 0x68, 0x17, 0xaf, 0xbd, 0x17,
+ 0x27, 0x3e, 0x66, 0x2c, 0x97, 0xee, 0x72, 0x99, 0x5e, 0xf4, 0x26, 0x40,
+ 0xc5, 0x50, 0xb9, 0x01, 0x3f, 0xad, 0x07, 0x61, 0x35, 0x3c, 0x70, 0x86,
+ 0xa2, 0x72, 0xc2, 0x40, 0x88, 0xbe, 0x94, 0x76, 0x9f, 0xd1, 0x66, 0x50,
+ 0x02, 0x42, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfa,
+ 0x51, 0x86, 0x87, 0x83, 0xbf, 0x2f, 0x96, 0x6b, 0x7f, 0xcc, 0x01, 0x48,
+ 0xf7, 0x09, 0xa5, 0xd0, 0x3b, 0xb5, 0xc9, 0xb8, 0x89, 0x9c, 0x47, 0xae,
+ 0xbb, 0x6f, 0xb7, 0x1e, 0x91, 0x38, 0x64, 0x09, 0x02, 0x01, 0x01,
+};
+
+/*
+ * This test validates a named curve's group parameters using
+ * EC_GROUP_check_named_curve(). It also checks that modifying any of the
+ * group parameters results in the curve not being valid.
+ */
+static int check_named_curve_test(int id)
{
- EC_GROUP *group, *group2;
- ECPARAMETERS *ecparameters;
+ int ret = 0, nid, field_nid, has_seed;
+ EC_GROUP *group = NULL, *gtest = NULL;
+ const EC_POINT *group_gen = NULL;
+ EC_POINT *other_gen = NULL;
+ BIGNUM *group_p = NULL, *group_a = NULL, *group_b = NULL;
+ BIGNUM *other_p = NULL, *other_a = NULL, *other_b = NULL;
+ BIGNUM *group_cofactor = NULL, *other_cofactor = NULL;
+ BIGNUM *other_order = NULL;
+ const BIGNUM *group_order = NULL;
+ BN_CTX *bn_ctx = NULL;
+ static const unsigned char invalid_seed[] = "THIS IS NOT A VALID SEED";
+ static size_t invalid_seed_len = sizeof(invalid_seed);
+
+ /* Do some setup */
+ nid = curves[id].nid;
+ if (!TEST_ptr(bn_ctx = BN_CTX_new())
+ || !TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))
+ || !TEST_ptr(gtest = EC_GROUP_dup(group))
+ || !TEST_ptr(group_p = BN_new())
+ || !TEST_ptr(group_a = BN_new())
+ || !TEST_ptr(group_b = BN_new())
+ || !TEST_ptr(group_cofactor = BN_new())
+ || !TEST_ptr(group_gen = EC_GROUP_get0_generator(group))
+ || !TEST_ptr(group_order = EC_GROUP_get0_order(group))
+ || !TEST_true(EC_GROUP_get_cofactor(group, group_cofactor, NULL))
+ || !TEST_true(EC_GROUP_get_curve(group, group_p, group_a, group_b, NULL))
+ || !TEST_ptr(other_gen = EC_POINT_dup(group_gen, group))
+ || !TEST_true(EC_POINT_add(group, other_gen, group_gen, group_gen, NULL))
+ || !TEST_ptr(other_order = BN_dup(group_order))
+ || !TEST_true(BN_add_word(other_order, 1))
+ || !TEST_ptr(other_a = BN_dup(group_a))
+ || !TEST_true(BN_add_word(other_a, 1))
+ || !TEST_ptr(other_b = BN_dup(group_b))
+ || !TEST_true(BN_add_word(other_b, 1))
+ || !TEST_ptr(other_cofactor = BN_dup(group_cofactor))
+ || !TEST_true(BN_add_word(other_cofactor, 1)))
+ goto err;
+
+ /* Determine if the built-in curve has a seed field set */
+ has_seed = (EC_GROUP_get_seed_len(group) > 0);
+ field_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(group));
+ if (field_nid == NID_X9_62_characteristic_two_field) {
+ if (!TEST_ptr(other_p = BN_dup(group_p))
+ || !TEST_true(BN_lshift1(other_p, other_p)))
+ goto err;
+ } else {
+ if (!TEST_ptr(other_p = BN_dup(group_p)))
+ goto err;
+ /*
+ * Just choosing any arbitrary prime does not work..
+ * Setting p via ec_GFp_nist_group_set_curve() needs the prime to be a
+ * nist prime. So only select one of these as an alternate prime.
+ */
+ if (!TEST_ptr(BN_copy(other_p,
+ BN_ucmp(BN_get0_nist_prime_192(), other_p) == 0 ?
+ BN_get0_nist_prime_256() :
+ BN_get0_nist_prime_192())))
+ goto err;
+ }
- fprintf(stderr, "\ntesting ecparameters conversion ...");
+ /* Passes because this is a valid curve */
+ if (!TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), nid)
+ /* Only NIST curves pass */
+ || !TEST_int_eq(EC_GROUP_check_named_curve(group, 1, NULL),
+ EC_curve_nid2nist(nid) != NULL ? nid : NID_undef))
+ goto err;
+
+ /* Fail if the curve name doesn't match the parameters */
+ EC_GROUP_set_curve_name(group, nid + 1);
+ ERR_set_mark();
+ if (!TEST_int_le(EC_GROUP_check_named_curve(group, 0, NULL), 0))
+ goto err;
+ ERR_pop_to_mark();
+
+ /* Restore curve name and ensure it's passing */
+ EC_GROUP_set_curve_name(group, nid);
+ if (!TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), nid))
+ goto err;
+
+ if (!TEST_int_eq(EC_GROUP_set_seed(group, invalid_seed, invalid_seed_len),
+ invalid_seed_len))
+ goto err;
+
+ if (has_seed) {
+ /*
+ * If the built-in curve has a seed and we set the seed to another value
+ * then it will fail the check.
+ */
+ if (!TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), 0))
+ goto err;
+ } else {
+ /*
+ * If the built-in curve does not have a seed then setting the seed will
+ * pass the check (as the seed is optional).
+ */
+ if (!TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), nid))
+ goto err;
+ }
+ /* Pass if the seed is unknown (as it is optional) */
+ if (!TEST_int_eq(EC_GROUP_set_seed(group, NULL, 0), 1)
+ || !TEST_int_eq(EC_GROUP_check_named_curve(group, 0, NULL), nid))
+ goto err;
+
+ /* Check that a duped group passes */
+ if (!TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), nid))
+ goto err;
+
+ /* check that changing any generator parameter fails */
+ if (!TEST_true(EC_GROUP_set_generator(gtest, other_gen, group_order,
+ group_cofactor))
+ || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), 0)
+ || !TEST_true(EC_GROUP_set_generator(gtest, group_gen, other_order,
+ group_cofactor))
+ || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), 0)
+ /* The order is not an optional field, so this should fail */
+ || !TEST_false(EC_GROUP_set_generator(gtest, group_gen, NULL,
+ group_cofactor))
+ || !TEST_true(EC_GROUP_set_generator(gtest, group_gen, group_order,
+ other_cofactor))
+ || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), 0)
+ /* Check that if the cofactor is not set then it still passes */
+ || !TEST_true(EC_GROUP_set_generator(gtest, group_gen, group_order,
+ NULL))
+ || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), nid)
+ /* check that restoring the generator passes */
+ || !TEST_true(EC_GROUP_set_generator(gtest, group_gen, group_order,
+ group_cofactor))
+ || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), nid))
+ goto err;
- group = EC_GROUP_new_by_curve_name(NID_secp112r1);
- if (!group)
- ABORT;
+ /*
+ * check that changing any curve parameter fails
+ *
+ * Setting arbitrary p, a or b might fail for some EC_GROUPs
+ * depending on the internal EC_METHOD implementation, hence run
+ * these tests conditionally to the success of EC_GROUP_set_curve().
+ */
+ ERR_set_mark();
+ if (EC_GROUP_set_curve(gtest, other_p, group_a, group_b, NULL)) {
+ if (!TEST_int_le(EC_GROUP_check_named_curve(gtest, 0, NULL), 0))
+ goto err;
+ } else {
+ /* clear the error stack if EC_GROUP_set_curve() failed */
+ ERR_pop_to_mark();
+ ERR_set_mark();
+ }
+ if (EC_GROUP_set_curve(gtest, group_p, other_a, group_b, NULL)) {
+ if (!TEST_int_le(EC_GROUP_check_named_curve(gtest, 0, NULL), 0))
+ goto err;
+ } else {
+ /* clear the error stack if EC_GROUP_set_curve() failed */
+ ERR_pop_to_mark();
+ ERR_set_mark();
+ }
+ if (EC_GROUP_set_curve(gtest, group_p, group_a, other_b, NULL)) {
+ if (!TEST_int_le(EC_GROUP_check_named_curve(gtest, 0, NULL), 0))
+ goto err;
+ } else {
+ /* clear the error stack if EC_GROUP_set_curve() failed */
+ ERR_pop_to_mark();
+ ERR_set_mark();
+ }
+ ERR_pop_to_mark();
+
+ /* Check that restoring the curve parameters passes */
+ if (!TEST_true(EC_GROUP_set_curve(gtest, group_p, group_a, group_b, NULL))
+ || !TEST_int_eq(EC_GROUP_check_named_curve(gtest, 0, NULL), nid))
+ goto err;
+
+ ret = 1;
+err:
+ BN_free(group_p);
+ BN_free(other_p);
+ BN_free(group_a);
+ BN_free(other_a);
+ BN_free(group_b);
+ BN_free(other_b);
+ BN_free(group_cofactor);
+ BN_free(other_cofactor);
+ BN_free(other_order);
+ EC_POINT_free(other_gen);
+ EC_GROUP_free(gtest);
+ EC_GROUP_free(group);
+ BN_CTX_free(bn_ctx);
+ return ret;
+}
- ecparameters = EC_GROUP_get_ecparameters(group, NULL);
- if (!ecparameters)
- ABORT;
- group2 = EC_GROUP_new_from_ecparameters(ecparameters);
- if (!group2)
- ABORT;
- if (EC_GROUP_cmp(group, group2, NULL))
- ABORT;
+/*
+ * This checks the lookup capability of EC_GROUP_check_named_curve()
+ * when the given group was created with explicit parameters.
+ *
+ * It is possible to retrieve an alternative alias that does not match
+ * the original nid in this case.
+ */
+static int check_named_curve_lookup_test(int id)
+{
+ int ret = 0, nid, rv = 0;
+ EC_GROUP *g = NULL , *ga = NULL;
+ ECPARAMETERS *p = NULL, *pa = NULL;
+ BN_CTX *ctx = NULL;
+
+ /* Do some setup */
+ nid = curves[id].nid;
+ if (!TEST_ptr(ctx = BN_CTX_new())
+ || !TEST_ptr(g = EC_GROUP_new_by_curve_name(nid))
+ || !TEST_ptr(p = EC_GROUP_get_ecparameters(g, NULL)))
+ goto err;
+
+ /* replace with group from explicit parameters */
+ EC_GROUP_free(g);
+ if (!TEST_ptr(g = EC_GROUP_new_from_ecparameters(p)))
+ goto err;
+
+ if (!TEST_int_gt(rv = EC_GROUP_check_named_curve(g, 0, NULL), 0))
+ goto err;
+ if (rv != nid) {
+ /*
+ * Found an alias:
+ * fail if the returned nid is not an alias of the original group.
+ *
+ * The comparison here is done by comparing two explicit
+ * parameter EC_GROUPs with EC_GROUP_cmp(), to ensure the
+ * comparison happens with unnamed EC_GROUPs using the same
+ * EC_METHODs.
+ */
+ if (!TEST_ptr(ga = EC_GROUP_new_by_curve_name(rv))
+ || !TEST_ptr(pa = EC_GROUP_get_ecparameters(ga, NULL)))
+ goto err;
+
+ /* replace with group from explicit parameters, then compare */
+ EC_GROUP_free(ga);
+ if (!TEST_ptr(ga = EC_GROUP_new_from_ecparameters(pa))
+ || !TEST_int_eq(EC_GROUP_cmp(g, ga, ctx), 0))
+ goto err;
+ }
+
+ ret = 1;
+
+ err:
+ EC_GROUP_free(g);
+ EC_GROUP_free(ga);
+ ECPARAMETERS_free(p);
+ ECPARAMETERS_free(pa);
+ BN_CTX_free(ctx);
+
+ return ret;
+}
+
+/*
+ * Sometime we cannot compare nids for equality, as the built-in curve table
+ * includes aliases with different names for the same curve.
+ *
+ * This function returns TRUE (1) if the checked nids are identical, or if they
+ * alias to the same curve. FALSE (0) otherwise.
+ */
+static ossl_inline
+int are_ec_nids_compatible(int n1d, int n2d)
+{
+ int ret = 0;
+ switch (n1d) {
+# ifndef OPENSSL_NO_EC2M
+ case NID_sect113r1:
+ case NID_wap_wsg_idm_ecid_wtls4:
+ ret = (n2d == NID_sect113r1 || n2d == NID_wap_wsg_idm_ecid_wtls4);
+ break;
+ case NID_sect163k1:
+ case NID_wap_wsg_idm_ecid_wtls3:
+ ret = (n2d == NID_sect163k1 || n2d == NID_wap_wsg_idm_ecid_wtls3);
+ break;
+ case NID_sect233k1:
+ case NID_wap_wsg_idm_ecid_wtls10:
+ ret = (n2d == NID_sect233k1 || n2d == NID_wap_wsg_idm_ecid_wtls10);
+ break;
+ case NID_sect233r1:
+ case NID_wap_wsg_idm_ecid_wtls11:
+ ret = (n2d == NID_sect233r1 || n2d == NID_wap_wsg_idm_ecid_wtls11);
+ break;
+ case NID_X9_62_c2pnb163v1:
+ case NID_wap_wsg_idm_ecid_wtls5:
+ ret = (n2d == NID_X9_62_c2pnb163v1
+ || n2d == NID_wap_wsg_idm_ecid_wtls5);
+ break;
+# endif /* OPENSSL_NO_EC2M */
+ case NID_secp112r1:
+ case NID_wap_wsg_idm_ecid_wtls6:
+ ret = (n2d == NID_secp112r1 || n2d == NID_wap_wsg_idm_ecid_wtls6);
+ break;
+ case NID_secp160r2:
+ case NID_wap_wsg_idm_ecid_wtls7:
+ ret = (n2d == NID_secp160r2 || n2d == NID_wap_wsg_idm_ecid_wtls7);
+ break;
+# ifdef OPENSSL_NO_EC_NISTP_64_GCC_128
+ case NID_secp224r1:
+ case NID_wap_wsg_idm_ecid_wtls12:
+ ret = (n2d == NID_secp224r1 || n2d == NID_wap_wsg_idm_ecid_wtls12);
+ break;
+# else
+ /*
+ * For SEC P-224 we want to ensure that the SECP nid is returned, as
+ * that is associated with a specialized method.
+ */
+ case NID_wap_wsg_idm_ecid_wtls12:
+ ret = (n2d == NID_secp224r1);
+ break;
+# endif /* def(OPENSSL_NO_EC_NISTP_64_GCC_128) */
- fprintf(stderr, " ok\n");
+ default:
+ ret = (n1d == n2d);
+ }
+ return ret;
+}
+/*
+ * This checks that EC_GROUP_bew_from_ecparameters() returns a "named"
+ * EC_GROUP for built-in curves.
+ *
+ * Note that it is possible to retrieve an alternative alias that does not match
+ * the original nid.
+ *
+ * Ensure that the OPENSSL_EC_EXPLICIT_CURVE ASN1 flag is set.
+ */
+static int check_named_curve_from_ecparameters(int id)
+{
+ int ret = 0, nid, tnid;
+ EC_GROUP *group = NULL, *tgroup = NULL, *tmpg = NULL;
+ const EC_POINT *group_gen = NULL;
+ EC_POINT *other_gen = NULL;
+ BIGNUM *group_cofactor = NULL, *other_cofactor = NULL;
+ BIGNUM *other_gen_x = NULL, *other_gen_y = NULL;
+ const BIGNUM *group_order = NULL;
+ BIGNUM *other_order = NULL;
+ BN_CTX *bn_ctx = NULL;
+ static const unsigned char invalid_seed[] = "THIS IS NOT A VALID SEED";
+ static size_t invalid_seed_len = sizeof(invalid_seed);
+ ECPARAMETERS *params = NULL, *other_params = NULL;
+ EC_GROUP *g_ary[8] = {NULL};
+ EC_GROUP **g_next = &g_ary[0];
+ ECPARAMETERS *p_ary[8] = {NULL};
+ ECPARAMETERS **p_next = &p_ary[0];
+
+ /* Do some setup */
+ nid = curves[id].nid;
+ TEST_note("Curve %s", OBJ_nid2sn(nid));
+ if (!TEST_ptr(bn_ctx = BN_CTX_new()))
+ return ret;
+ BN_CTX_start(bn_ctx);
+
+ if (/* Allocations */
+ !TEST_ptr(group_cofactor = BN_CTX_get(bn_ctx))
+ || !TEST_ptr(other_gen_x = BN_CTX_get(bn_ctx))
+ || !TEST_ptr(other_gen_y = BN_CTX_get(bn_ctx))
+ || !TEST_ptr(other_order = BN_CTX_get(bn_ctx))
+ || !TEST_ptr(other_cofactor = BN_CTX_get(bn_ctx))
+ /* Generate reference group and params */
+ || !TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))
+ || !TEST_ptr(params = EC_GROUP_get_ecparameters(group, NULL))
+ || !TEST_ptr(group_gen = EC_GROUP_get0_generator(group))
+ || !TEST_ptr(group_order = EC_GROUP_get0_order(group))
+ || !TEST_true(EC_GROUP_get_cofactor(group, group_cofactor, NULL))
+ /* compute `other_*` values */
+ || !TEST_ptr(tmpg = EC_GROUP_dup(group))
+ || !TEST_ptr(other_gen = EC_POINT_dup(group_gen, group))
+ || !TEST_true(EC_POINT_add(group, other_gen, group_gen, group_gen, NULL))
+ || !TEST_true(EC_POINT_get_affine_coordinates(group, other_gen,
+ other_gen_x, other_gen_y, bn_ctx))
+ || !TEST_true(BN_copy(other_order, group_order))
+ || !TEST_true(BN_add_word(other_order, 1))
+ || !TEST_true(BN_copy(other_cofactor, group_cofactor))
+ || !TEST_true(BN_add_word(other_cofactor, 1)))
+ goto err;
+
+ EC_POINT_free(other_gen);
+ other_gen = NULL;
+
+ if (!TEST_ptr(other_gen = EC_POINT_new(tmpg))
+ || !TEST_true(EC_POINT_set_affine_coordinates(tmpg, other_gen,
+ other_gen_x, other_gen_y,
+ bn_ctx)))
+ goto err;
+
+ /*
+ * ###########################
+ * # Actual tests start here #
+ * ###########################
+ */
+
+ /*
+ * Creating a group from built-in explicit parameters returns a
+ * "named" EC_GROUP
+ */
+ if (!TEST_ptr(tgroup = *g_next++ = EC_GROUP_new_from_ecparameters(params))
+ || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef))
+ goto err;
+ /*
+ * We cannot always guarantee the names match, as the built-in table
+ * contains aliases for the same curve with different names.
+ */
+ if (!TEST_true(are_ec_nids_compatible(nid, tnid))) {
+ TEST_info("nid = %s, tnid = %s", OBJ_nid2sn(nid), OBJ_nid2sn(tnid));
+ goto err;
+ }
+ /* Ensure that the OPENSSL_EC_EXPLICIT_CURVE ASN1 flag is set. */
+ if (!TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup), OPENSSL_EC_EXPLICIT_CURVE))
+ goto err;
+
+ /*
+ * An invalid seed in the parameters should be ignored: expect a "named"
+ * group.
+ */
+ if (!TEST_int_eq(EC_GROUP_set_seed(tmpg, invalid_seed, invalid_seed_len),
+ invalid_seed_len)
+ || !TEST_ptr(other_params = *p_next++ =
+ EC_GROUP_get_ecparameters(tmpg, NULL))
+ || !TEST_ptr(tgroup = *g_next++ =
+ EC_GROUP_new_from_ecparameters(other_params))
+ || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef)
+ || !TEST_true(are_ec_nids_compatible(nid, tnid))
+ || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup),
+ OPENSSL_EC_EXPLICIT_CURVE)) {
+ TEST_info("nid = %s, tnid = %s", OBJ_nid2sn(nid), OBJ_nid2sn(tnid));
+ goto err;
+ }
+
+ /*
+ * A null seed in the parameters should be ignored, as it is optional:
+ * expect a "named" group.
+ */
+ if (!TEST_int_eq(EC_GROUP_set_seed(tmpg, NULL, 0), 1)
+ || !TEST_ptr(other_params = *p_next++ =
+ EC_GROUP_get_ecparameters(tmpg, NULL))
+ || !TEST_ptr(tgroup = *g_next++ =
+ EC_GROUP_new_from_ecparameters(other_params))
+ || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef)
+ || !TEST_true(are_ec_nids_compatible(nid, tnid))
+ || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup),
+ OPENSSL_EC_EXPLICIT_CURVE)) {
+ TEST_info("nid = %s, tnid = %s", OBJ_nid2sn(nid), OBJ_nid2sn(tnid));
+ goto err;
+ }
+
+ /*
+ * Check that changing any of the generator parameters does not yield a
+ * match with the built-in curves
+ */
+ if (/* Other gen, same group order & cofactor */
+ !TEST_true(EC_GROUP_set_generator(tmpg, other_gen, group_order,
+ group_cofactor))
+ || !TEST_ptr(other_params = *p_next++ =
+ EC_GROUP_get_ecparameters(tmpg, NULL))
+ || !TEST_ptr(tgroup = *g_next++ =
+ EC_GROUP_new_from_ecparameters(other_params))
+ || !TEST_int_eq((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef)
+ /* Same gen & cofactor, different order */
+ || !TEST_true(EC_GROUP_set_generator(tmpg, group_gen, other_order,
+ group_cofactor))
+ || !TEST_ptr(other_params = *p_next++ =
+ EC_GROUP_get_ecparameters(tmpg, NULL))
+ || !TEST_ptr(tgroup = *g_next++ =
+ EC_GROUP_new_from_ecparameters(other_params))
+ || !TEST_int_eq((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef)
+ /* The order is not an optional field, so this should fail */
+ || !TEST_false(EC_GROUP_set_generator(tmpg, group_gen, NULL,
+ group_cofactor))
+ /* Check that a wrong cofactor is ignored, and we still match */
+ || !TEST_true(EC_GROUP_set_generator(tmpg, group_gen, group_order,
+ other_cofactor))
+ || !TEST_ptr(other_params = *p_next++ =
+ EC_GROUP_get_ecparameters(tmpg, NULL))
+ || !TEST_ptr(tgroup = *g_next++ =
+ EC_GROUP_new_from_ecparameters(other_params))
+ || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef)
+ || !TEST_true(are_ec_nids_compatible(nid, tnid))
+ || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup),
+ OPENSSL_EC_EXPLICIT_CURVE)
+ /* Check that if the cofactor is not set then it still matches */
+ || !TEST_true(EC_GROUP_set_generator(tmpg, group_gen, group_order,
+ NULL))
+ || !TEST_ptr(other_params = *p_next++ =
+ EC_GROUP_get_ecparameters(tmpg, NULL))
+ || !TEST_ptr(tgroup = *g_next++ =
+ EC_GROUP_new_from_ecparameters(other_params))
+ || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef)
+ || !TEST_true(are_ec_nids_compatible(nid, tnid))
+ || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup),
+ OPENSSL_EC_EXPLICIT_CURVE)
+ /* check that restoring the generator passes */
+ || !TEST_true(EC_GROUP_set_generator(tmpg, group_gen, group_order,
+ group_cofactor))
+ || !TEST_ptr(other_params = *p_next++ =
+ EC_GROUP_get_ecparameters(tmpg, NULL))
+ || !TEST_ptr(tgroup = *g_next++ =
+ EC_GROUP_new_from_ecparameters(other_params))
+ || !TEST_int_ne((tnid = EC_GROUP_get_curve_name(tgroup)), NID_undef)
+ || !TEST_true(are_ec_nids_compatible(nid, tnid))
+ || !TEST_int_eq(EC_GROUP_get_asn1_flag(tgroup),
+ OPENSSL_EC_EXPLICIT_CURVE))
+ goto err;
+
+ ret = 1;
+err:
+ for (g_next = &g_ary[0]; g_next < g_ary + OSSL_NELEM(g_ary); g_next++)
+ EC_GROUP_free(*g_next);
+ for (p_next = &p_ary[0]; p_next < p_ary + OSSL_NELEM(g_ary); p_next++)
+ ECPARAMETERS_free(*p_next);
+ ECPARAMETERS_free(params);
+ EC_POINT_free(other_gen);
+ EC_GROUP_free(tmpg);
+ EC_GROUP_free(group);
+ BN_CTX_end(bn_ctx);
+ BN_CTX_free(bn_ctx);
+ return ret;
+}
+
+
+static int parameter_test(void)
+{
+ EC_GROUP *group = NULL, *group2 = NULL;
+ ECPARAMETERS *ecparameters = NULL;
+ unsigned char *buf = NULL;
+ int r = 0, len;
+
+ if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(NID_secp384r1))
+ || !TEST_ptr(ecparameters = EC_GROUP_get_ecparameters(group, NULL))
+ || !TEST_ptr(group2 = EC_GROUP_new_from_ecparameters(ecparameters))
+ || !TEST_int_eq(EC_GROUP_cmp(group, group2, NULL), 0))
+ goto err;
+
+ EC_GROUP_free(group);
+ group = NULL;
+
+ /* Test the named curve encoding, which should be default. */
+ if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(NID_secp521r1))
+ || !TEST_true((len = i2d_ECPKParameters(group, &buf)) >= 0)
+ || !TEST_mem_eq(buf, len, p521_named, sizeof(p521_named)))
+ goto err;
+
+ OPENSSL_free(buf);
+ buf = NULL;
+
+ /*
+ * Test the explicit encoding. P-521 requires correctly zero-padding the
+ * curve coefficients.
+ */
+ EC_GROUP_set_asn1_flag(group, OPENSSL_EC_EXPLICIT_CURVE);
+ if (!TEST_true((len = i2d_ECPKParameters(group, &buf)) >= 0)
+ || !TEST_mem_eq(buf, len, p521_explicit, sizeof(p521_explicit)))
+ goto err;
+
+ r = 1;
+err:
EC_GROUP_free(group);
EC_GROUP_free(group2);
ECPARAMETERS_free(ecparameters);
+ OPENSSL_free(buf);
+ return r;
+}
+
+/*-
+ * random 256-bit explicit parameters curve, cofactor absent
+ * order: 0x0c38d96a9f892b88772ec2e39614a82f4f (132 bit)
+ * cofactor: 0x12bc94785251297abfafddf1565100da (125 bit)
+ */
+static const unsigned char params_cf_pass[] = {
+ 0x30, 0x81, 0xcd, 0x02, 0x01, 0x01, 0x30, 0x2c, 0x06, 0x07, 0x2a, 0x86,
+ 0x48, 0xce, 0x3d, 0x01, 0x01, 0x02, 0x21, 0x00, 0xe5, 0x00, 0x1f, 0xc5,
+ 0xca, 0x71, 0x9d, 0x8e, 0xf7, 0x07, 0x4b, 0x48, 0x37, 0xf9, 0x33, 0x2d,
+ 0x71, 0xbf, 0x79, 0xe7, 0xdc, 0x91, 0xc2, 0xff, 0xb6, 0x7b, 0xc3, 0x93,
+ 0x44, 0x88, 0xe6, 0x91, 0x30, 0x44, 0x04, 0x20, 0xe5, 0x00, 0x1f, 0xc5,
+ 0xca, 0x71, 0x9d, 0x8e, 0xf7, 0x07, 0x4b, 0x48, 0x37, 0xf9, 0x33, 0x2d,
+ 0x71, 0xbf, 0x79, 0xe7, 0xdc, 0x91, 0xc2, 0xff, 0xb6, 0x7b, 0xc3, 0x93,
+ 0x44, 0x88, 0xe6, 0x8e, 0x04, 0x20, 0x18, 0x8c, 0x59, 0x57, 0xc4, 0xbc,
+ 0x85, 0x57, 0xc3, 0x66, 0x9f, 0x89, 0xd5, 0x92, 0x0d, 0x7e, 0x42, 0x27,
+ 0x07, 0x64, 0xaa, 0x26, 0xed, 0x89, 0xc4, 0x09, 0x05, 0x4d, 0xc7, 0x23,
+ 0x47, 0xda, 0x04, 0x41, 0x04, 0x1b, 0x6b, 0x41, 0x0b, 0xf9, 0xfb, 0x77,
+ 0xfd, 0x50, 0xb7, 0x3e, 0x23, 0xa3, 0xec, 0x9a, 0x3b, 0x09, 0x31, 0x6b,
+ 0xfa, 0xf6, 0xce, 0x1f, 0xff, 0xeb, 0x57, 0x93, 0x24, 0x70, 0xf3, 0xf4,
+ 0xba, 0x7e, 0xfa, 0x86, 0x6e, 0x19, 0x89, 0xe3, 0x55, 0x6d, 0x5a, 0xe9,
+ 0xc0, 0x3d, 0xbc, 0xfb, 0xaf, 0xad, 0xd4, 0x7e, 0xa6, 0xe5, 0xfa, 0x1a,
+ 0x58, 0x07, 0x9e, 0x8f, 0x0d, 0x3b, 0xf7, 0x38, 0xca, 0x02, 0x11, 0x0c,
+ 0x38, 0xd9, 0x6a, 0x9f, 0x89, 0x2b, 0x88, 0x77, 0x2e, 0xc2, 0xe3, 0x96,
+ 0x14, 0xa8, 0x2f, 0x4f
+};
+
+/*-
+ * random 256-bit explicit parameters curve, cofactor absent
+ * order: 0x045a75c0c17228ebd9b169a10e34a22101 (131 bit)
+ * cofactor: 0x2e134b4ede82649f67a2e559d361e5fe (126 bit)
+ */
+static const unsigned char params_cf_fail[] = {
+ 0x30, 0x81, 0xcd, 0x02, 0x01, 0x01, 0x30, 0x2c, 0x06, 0x07, 0x2a, 0x86,
+ 0x48, 0xce, 0x3d, 0x01, 0x01, 0x02, 0x21, 0x00, 0xc8, 0x95, 0x27, 0x37,
+ 0xe8, 0xe1, 0xfd, 0xcc, 0xf9, 0x6e, 0x0c, 0xa6, 0x21, 0xc1, 0x7d, 0x6b,
+ 0x9d, 0x44, 0x42, 0xea, 0x73, 0x4e, 0x04, 0xb6, 0xac, 0x62, 0x50, 0xd0,
+ 0x33, 0xc2, 0xea, 0x13, 0x30, 0x44, 0x04, 0x20, 0xc8, 0x95, 0x27, 0x37,
+ 0xe8, 0xe1, 0xfd, 0xcc, 0xf9, 0x6e, 0x0c, 0xa6, 0x21, 0xc1, 0x7d, 0x6b,
+ 0x9d, 0x44, 0x42, 0xea, 0x73, 0x4e, 0x04, 0xb6, 0xac, 0x62, 0x50, 0xd0,
+ 0x33, 0xc2, 0xea, 0x10, 0x04, 0x20, 0xbf, 0xa6, 0xa8, 0x05, 0x1d, 0x09,
+ 0xac, 0x70, 0x39, 0xbb, 0x4d, 0xb2, 0x90, 0x8a, 0x15, 0x41, 0x14, 0x1d,
+ 0x11, 0x86, 0x9f, 0x13, 0xa2, 0x63, 0x1a, 0xda, 0x95, 0x22, 0x4d, 0x02,
+ 0x15, 0x0a, 0x04, 0x41, 0x04, 0xaf, 0x16, 0x71, 0xf9, 0xc4, 0xc8, 0x59,
+ 0x1d, 0xa3, 0x6f, 0xe7, 0xc3, 0x57, 0xa1, 0xfa, 0x9f, 0x49, 0x7c, 0x11,
+ 0x27, 0x05, 0xa0, 0x7f, 0xff, 0xf9, 0xe0, 0xe7, 0x92, 0xdd, 0x9c, 0x24,
+ 0x8e, 0xc7, 0xb9, 0x52, 0x71, 0x3f, 0xbc, 0x7f, 0x6a, 0x9f, 0x35, 0x70,
+ 0xe1, 0x27, 0xd5, 0x35, 0x8a, 0x13, 0xfa, 0xa8, 0x33, 0x3e, 0xd4, 0x73,
+ 0x1c, 0x14, 0x58, 0x9e, 0xc7, 0x0a, 0x87, 0x65, 0x8d, 0x02, 0x11, 0x04,
+ 0x5a, 0x75, 0xc0, 0xc1, 0x72, 0x28, 0xeb, 0xd9, 0xb1, 0x69, 0xa1, 0x0e,
+ 0x34, 0xa2, 0x21, 0x01
+};
+
+/*-
+ * Test two random 256-bit explicit parameters curves with absent cofactor.
+ * The two curves are chosen to roughly straddle the bounds at which the lib
+ * can compute the cofactor automatically, roughly 4*sqrt(p). So test that:
+ *
+ * - params_cf_pass: order is sufficiently close to p to compute cofactor
+ * - params_cf_fail: order is too far away from p to compute cofactor
+ *
+ * For standards-compliant curves, cofactor is chosen as small as possible.
+ * So you can see neither of these curves are fit for cryptographic use.
+ *
+ * Some standards even mandate an upper bound on the cofactor, e.g. SECG1 v2:
+ * h <= 2**(t/8) where t is the security level of the curve, for which the lib
+ * will always succeed in computing the cofactor. Neither of these curves
+ * conform to that -- this is just robustness testing.
+ */
+static int cofactor_range_test(void)
+{
+ EC_GROUP *group = NULL;
+ BIGNUM *cf = NULL;
+ int ret = 0;
+ const unsigned char *b1 = (const unsigned char *)params_cf_fail;
+ const unsigned char *b2 = (const unsigned char *)params_cf_pass;
+
+ if (!TEST_ptr(group = d2i_ECPKParameters(NULL, &b1, sizeof(params_cf_fail)))
+ || !TEST_BN_eq_zero(EC_GROUP_get0_cofactor(group))
+ || !TEST_ptr(group = d2i_ECPKParameters(&group, &b2,
+ sizeof(params_cf_pass)))
+ || !TEST_int_gt(BN_hex2bn(&cf, "12bc94785251297abfafddf1565100da"), 0)
+ || !TEST_BN_eq(cf, EC_GROUP_get0_cofactor(group)))
+ goto err;
+ ret = 1;
+ err:
+ BN_free(cf);
+ EC_GROUP_free(group);
+ return ret;
}
-static const char rnd_seed[] =
- "string to make the random number generator think it has entropy";
+/*-
+ * For named curves, test that:
+ * - the lib correctly computes the cofactor if passed a NULL or zero cofactor
+ * - a nonsensical cofactor throws an error (negative test)
+ * - nonsensical orders throw errors (negative tests)
+ */
+static int cardinality_test(int n)
+{
+ int ret = 0;
+ int nid = curves[n].nid;
+ BN_CTX *ctx = NULL;
+ EC_GROUP *g1 = NULL, *g2 = NULL;
+ EC_POINT *g2_gen = NULL;
+ BIGNUM *g1_p = NULL, *g1_a = NULL, *g1_b = NULL, *g1_x = NULL, *g1_y = NULL,
+ *g1_order = NULL, *g1_cf = NULL, *g2_cf = NULL;
+
+ TEST_info("Curve %s cardinality test", OBJ_nid2sn(nid));
+
+ if (!TEST_ptr(ctx = BN_CTX_new())
+ || !TEST_ptr(g1 = EC_GROUP_new_by_curve_name(nid))
+ || !TEST_ptr(g2 = EC_GROUP_new(EC_GROUP_method_of(g1)))) {
+ EC_GROUP_free(g1);
+ EC_GROUP_free(g2);
+ BN_CTX_free(ctx);
+ return 0;
+ }
-int main(int argc, char *argv[])
+ BN_CTX_start(ctx);
+ g1_p = BN_CTX_get(ctx);
+ g1_a = BN_CTX_get(ctx);
+ g1_b = BN_CTX_get(ctx);
+ g1_x = BN_CTX_get(ctx);
+ g1_y = BN_CTX_get(ctx);
+ g1_order = BN_CTX_get(ctx);
+ g1_cf = BN_CTX_get(ctx);
+
+ if (!TEST_ptr(g2_cf = BN_CTX_get(ctx))
+ /* pull out the explicit curve parameters */
+ || !TEST_true(EC_GROUP_get_curve(g1, g1_p, g1_a, g1_b, ctx))
+ || !TEST_true(EC_POINT_get_affine_coordinates(g1,
+ EC_GROUP_get0_generator(g1), g1_x, g1_y, ctx))
+ || !TEST_true(BN_copy(g1_order, EC_GROUP_get0_order(g1)))
+ || !TEST_true(EC_GROUP_get_cofactor(g1, g1_cf, ctx))
+ /* construct g2 manually with g1 parameters */
+ || !TEST_true(EC_GROUP_set_curve(g2, g1_p, g1_a, g1_b, ctx))
+ || !TEST_ptr(g2_gen = EC_POINT_new(g2))
+ || !TEST_true(EC_POINT_set_affine_coordinates(g2, g2_gen, g1_x, g1_y, ctx))
+ /* pass NULL cofactor: lib should compute it */
+ || !TEST_true(EC_GROUP_set_generator(g2, g2_gen, g1_order, NULL))
+ || !TEST_true(EC_GROUP_get_cofactor(g2, g2_cf, ctx))
+ || !TEST_BN_eq(g1_cf, g2_cf)
+ /* pass zero cofactor: lib should compute it */
+ || !TEST_true(BN_set_word(g2_cf, 0))
+ || !TEST_true(EC_GROUP_set_generator(g2, g2_gen, g1_order, g2_cf))
+ || !TEST_true(EC_GROUP_get_cofactor(g2, g2_cf, ctx))
+ || !TEST_BN_eq(g1_cf, g2_cf)
+ /* negative test for invalid cofactor */
+ || !TEST_true(BN_set_word(g2_cf, 0))
+ || !TEST_true(BN_sub(g2_cf, g2_cf, BN_value_one()))
+ || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, g1_order, g2_cf))
+ /* negative test for NULL order */
+ || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, NULL, NULL))
+ /* negative test for zero order */
+ || !TEST_true(BN_set_word(g1_order, 0))
+ || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, g1_order, NULL))
+ /* negative test for negative order */
+ || !TEST_true(BN_set_word(g2_cf, 0))
+ || !TEST_true(BN_sub(g2_cf, g2_cf, BN_value_one()))
+ || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, g1_order, NULL))
+ /* negative test for too large order */
+ || !TEST_true(BN_lshift(g1_order, g1_p, 2))
+ || !TEST_false(EC_GROUP_set_generator(g2, g2_gen, g1_order, NULL)))
+ goto err;
+ ret = 1;
+ err:
+ EC_POINT_free(g2_gen);
+ EC_GROUP_free(g1);
+ EC_GROUP_free(g2);
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ return ret;
+}
+
+static int check_ec_key_field_public_range_test(int id)
{
- char *p;
+ int ret = 0, type = 0;
+ const EC_POINT *pub = NULL;
+ const EC_GROUP *group = NULL;
+ const EC_METHOD *meth = NULL;
+ const BIGNUM *field = NULL;
+ BIGNUM *x = NULL, *y = NULL;
+ EC_KEY *key = NULL;
+
+ if (!TEST_ptr(x = BN_new())
+ || !TEST_ptr(y = BN_new())
+ || !TEST_ptr(key = EC_KEY_new_by_curve_name(curves[id].nid))
+ || !TEST_ptr(group = EC_KEY_get0_group(key))
+ || !TEST_ptr(meth = EC_GROUP_method_of(group))
+ || !TEST_ptr(field = EC_GROUP_get0_field(group))
+ || !TEST_int_gt(EC_KEY_generate_key(key), 0)
+ || !TEST_int_gt(EC_KEY_check_key(key), 0)
+ || !TEST_ptr(pub = EC_KEY_get0_public_key(key))
+ || !TEST_int_gt(EC_POINT_get_affine_coordinates(group, pub, x, y,
+ NULL), 0))
+ goto err;
- p = getenv("OPENSSL_DEBUG_MEMORY");
- if (p != NULL && strcmp(p, "on") == 0)
- CRYPTO_set_mem_debug(1);
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+ /*
+ * Make the public point out of range by adding the field (which will still
+ * be the same point on the curve). The add is different for char2 fields.
+ */
+ type = EC_METHOD_get_field_type(meth);
+#ifndef OPENSSL_NO_EC2M
+ if (type == NID_X9_62_characteristic_two_field) {
+ /* test for binary curves */
+ if (!TEST_true(BN_GF2m_add(x, x, field)))
+ goto err;
+ } else
+#endif
+ if (type == NID_X9_62_prime_field) {
+ /* test for prime curves */
+ if (!TEST_true(BN_add(x, x, field)))
+ goto err;
+ } else {
+ /* this should never happen */
+ TEST_error("Unsupported EC_METHOD field_type");
+ goto err;
+ }
+ if (!TEST_int_le(EC_KEY_set_public_key_affine_coordinates(key, x, y), 0))
+ goto err;
- RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_generate_prime may fail */
+ ret = 1;
+err:
+ BN_free(x);
+ BN_free(y);
+ EC_KEY_free(key);
+ return ret;
+}
+
+/*
+ * Helper for ec_point_hex2point_test
+ *
+ * Self-tests EC_POINT_point2hex() against EC_POINT_hex2point() for the given
+ * (group,P) pair.
+ *
+ * If P is NULL use point at infinity.
+ */
+static ossl_inline
+int ec_point_hex2point_test_helper(const EC_GROUP *group, const EC_POINT *P,
+ point_conversion_form_t form,
+ BN_CTX *bnctx)
+{
+ int ret = 0;
+ EC_POINT *Q = NULL, *Pinf = NULL;
+ char *hex = NULL;
+
+ if (P == NULL) {
+ /* If P is NULL use point at infinity. */
+ if (!TEST_ptr(Pinf = EC_POINT_new(group))
+ || !TEST_true(EC_POINT_set_to_infinity(group, Pinf)))
+ goto err;
+ P = Pinf;
+ }
+
+ if (!TEST_ptr(hex = EC_POINT_point2hex(group, P, form, bnctx))
+ || !TEST_ptr(Q = EC_POINT_hex2point(group, hex, NULL, bnctx))
+ || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, bnctx)))
+ goto err;
- prime_field_tests();
- puts("");
+ /*
+ * The next check is most likely superfluous, as EC_POINT_cmp should already
+ * cover this.
+ * Nonetheless it increases the test coverage for EC_POINT_is_at_infinity,
+ * so we include it anyway!
+ */
+ if (Pinf != NULL
+ && !TEST_true(EC_POINT_is_at_infinity(group, Q)))
+ goto err;
+
+ ret = 1;
+
+ err:
+ EC_POINT_free(Pinf);
+ OPENSSL_free(hex);
+ EC_POINT_free(Q);
+
+ return ret;
+}
+
+/*
+ * This test self-validates EC_POINT_hex2point() and EC_POINT_point2hex()
+ */
+static int ec_point_hex2point_test(int id)
+{
+ int ret = 0, nid;
+ EC_GROUP *group = NULL;
+ const EC_POINT *G = NULL;
+ EC_POINT *P = NULL;
+ BN_CTX * bnctx = NULL;
+
+ /* Do some setup */
+ nid = curves[id].nid;
+ if (!TEST_ptr(bnctx = BN_CTX_new())
+ || !TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))
+ || !TEST_ptr(G = EC_GROUP_get0_generator(group))
+ || !TEST_ptr(P = EC_POINT_dup(G, group)))
+ goto err;
+
+ if (!TEST_true(ec_point_hex2point_test_helper(group, P,
+ POINT_CONVERSION_COMPRESSED,
+ bnctx))
+ || !TEST_true(ec_point_hex2point_test_helper(group, NULL,
+ POINT_CONVERSION_COMPRESSED,
+ bnctx))
+ || !TEST_true(ec_point_hex2point_test_helper(group, P,
+ POINT_CONVERSION_UNCOMPRESSED,
+ bnctx))
+ || !TEST_true(ec_point_hex2point_test_helper(group, NULL,
+ POINT_CONVERSION_UNCOMPRESSED,
+ bnctx))
+ || !TEST_true(ec_point_hex2point_test_helper(group, P,
+ POINT_CONVERSION_HYBRID,
+ bnctx))
+ || !TEST_true(ec_point_hex2point_test_helper(group, NULL,
+ POINT_CONVERSION_HYBRID,
+ bnctx)))
+ goto err;
+
+ ret = 1;
+
+ err:
+ EC_POINT_free(P);
+ EC_GROUP_free(group);
+ BN_CTX_free(bnctx);
+
+ return ret;
+}
+
+#endif /* OPENSSL_NO_EC */
+
+int setup_tests(void)
+{
+#ifndef OPENSSL_NO_EC
+ crv_len = EC_get_builtin_curves(NULL, 0);
+ if (!TEST_ptr(curves = OPENSSL_malloc(sizeof(*curves) * crv_len))
+ || !TEST_true(EC_get_builtin_curves(curves, crv_len)))
+ return 0;
+
+ ADD_TEST(parameter_test);
+ ADD_TEST(cofactor_range_test);
+ ADD_ALL_TESTS(cardinality_test, crv_len);
+ ADD_TEST(prime_field_tests);
# ifndef OPENSSL_NO_EC2M
- char2_field_tests();
+ ADD_TEST(char2_field_tests);
+ ADD_ALL_TESTS(char2_curve_test, OSSL_NELEM(char2_curve_tests));
# endif
# ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
- nistp_tests();
+ ADD_ALL_TESTS(nistp_single_test, OSSL_NELEM(nistp_tests_params));
+ ADD_TEST(underflow_test);
# endif
- /* test the internal curves */
- internal_curve_test();
-
- parameter_test();
+ ADD_ALL_TESTS(internal_curve_test, crv_len);
+ ADD_ALL_TESTS(internal_curve_test_method, crv_len);
+ ADD_TEST(group_field_test);
+ ADD_ALL_TESTS(check_named_curve_test, crv_len);
+ ADD_ALL_TESTS(check_named_curve_lookup_test, crv_len);
+ ADD_ALL_TESTS(check_ec_key_field_public_range_test, crv_len);
+ ADD_ALL_TESTS(check_named_curve_from_ecparameters, crv_len);
+ ADD_ALL_TESTS(ec_point_hex2point_test, crv_len);
+#endif /* OPENSSL_NO_EC */
+ return 1;
+}
-#ifndef OPENSSL_NO_CRYPTO_MDEBUG
- if (CRYPTO_mem_leaks_fp(stderr) <= 0)
- return 1;
+void cleanup_tests(void)
+{
+#ifndef OPENSSL_NO_EC
+ OPENSSL_free(curves);
#endif
-
- return 0;
}
-#endif