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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/ecdh/ecdhtest.c
1 /* crypto/ecdh/ecdhtest.c */
2 /* ====================================================================
3 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
5 * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
6 * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
7 * to the OpenSSL project.
9 * The ECC Code is licensed pursuant to the OpenSSL open source
10 * license provided below.
12 * The ECDH software is originally written by Douglas Stebila of
13 * Sun Microsystems Laboratories.
16 /* ====================================================================
17 * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
26 * 2. Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in
28 * the documentation and/or other materials provided with the
31 * 3. All advertising materials mentioning features or use of this
32 * software must display the following acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
36 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
37 * endorse or promote products derived from this software without
38 * prior written permission. For written permission, please contact
39 * openssl-core@openssl.org.
41 * 5. Products derived from this software may not be called "OpenSSL"
42 * nor may "OpenSSL" appear in their names without prior written
43 * permission of the OpenSSL Project.
45 * 6. Redistributions of any form whatsoever must retain the following
47 * "This product includes software developed by the OpenSSL Project
48 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
50 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
51 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
53 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
54 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
56 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
57 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
59 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
60 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
61 * OF THE POSSIBILITY OF SUCH DAMAGE.
62 * ====================================================================
64 * This product includes cryptographic software written by Eric Young
65 * (eay@cryptsoft.com). This product includes software written by Tim
66 * Hudson (tjh@cryptsoft.com).
76 #include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */
77 #include <openssl/crypto.h>
78 #include <openssl/bio.h>
79 #include <openssl/bn.h>
80 #include <openssl/objects.h>
81 #include <openssl/rand.h>
82 #include <openssl/sha.h>
83 #include <openssl/err.h>
85 #ifdef OPENSSL_NO_ECDH
86 int main(int argc
, char *argv
[])
88 printf("No ECDH support\n");
92 #include <openssl/ec.h>
93 #include <openssl/ecdh.h>
95 #ifdef OPENSSL_SYS_WIN16
96 #define MS_CALLBACK _far _loadds
102 static void MS_CALLBACK
cb(int p
, int n
, void *arg
);
105 static const char rnd_seed
[] = "string to make the random number generator think it has entropy";
108 static const int KDF1_SHA1_len
= 20;
109 static void *KDF1_SHA1(const void *in
, size_t inlen
, void *out
, size_t *outlen
)
111 #ifndef OPENSSL_NO_SHA
112 if (*outlen
< SHA_DIGEST_LENGTH
)
115 *outlen
= SHA_DIGEST_LENGTH
;
116 return SHA1(in
, inlen
, out
);
123 static int test_ecdh_curve(int nid
, const char *text
, BN_CTX
*ctx
, BIO
*out
)
127 BIGNUM
*x_a
=NULL
, *y_a
=NULL
,
128 *x_b
=NULL
, *y_b
=NULL
;
130 unsigned char *abuf
=NULL
,*bbuf
=NULL
;
131 int i
,alen
,blen
,aout
,bout
,ret
=0;
132 const EC_GROUP
*group
;
134 a
= EC_KEY_new_by_curve_name(nid
);
135 b
= EC_KEY_new_by_curve_name(nid
);
136 if (a
== NULL
|| b
== NULL
)
139 group
= EC_KEY_get0_group(a
);
141 if ((x_a
=BN_new()) == NULL
) goto err
;
142 if ((y_a
=BN_new()) == NULL
) goto err
;
143 if ((x_b
=BN_new()) == NULL
) goto err
;
144 if ((y_b
=BN_new()) == NULL
) goto err
;
146 BIO_puts(out
,"Testing key generation with ");
151 (void)BIO_flush(out
);
154 if (!EC_KEY_generate_key(a
)) goto err
;
156 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group
)) == NID_X9_62_prime_field
)
158 if (!EC_POINT_get_affine_coordinates_GFp(group
,
159 EC_KEY_get0_public_key(a
), x_a
, y_a
, ctx
)) goto err
;
163 if (!EC_POINT_get_affine_coordinates_GF2m(group
,
164 EC_KEY_get0_public_key(a
), x_a
, y_a
, ctx
)) goto err
;
167 BIO_puts(out
," pri 1=");
168 BN_print(out
,a
->priv_key
);
169 BIO_puts(out
,"\n pub 1=");
175 BIO_printf(out
," .");
176 (void)BIO_flush(out
);
179 if (!EC_KEY_generate_key(b
)) goto err
;
181 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group
)) == NID_X9_62_prime_field
)
183 if (!EC_POINT_get_affine_coordinates_GFp(group
,
184 EC_KEY_get0_public_key(b
), x_b
, y_b
, ctx
)) goto err
;
188 if (!EC_POINT_get_affine_coordinates_GF2m(group
,
189 EC_KEY_get0_public_key(b
), x_b
, y_b
, ctx
)) goto err
;
193 BIO_puts(out
," pri 2=");
194 BN_print(out
,b
->priv_key
);
195 BIO_puts(out
,"\n pub 2=");
202 (void)BIO_flush(out
);
206 abuf
=(unsigned char *)OPENSSL_malloc(alen
);
207 aout
=ECDH_compute_key(abuf
,alen
,EC_KEY_get0_public_key(b
),a
,KDF1_SHA1
);
210 BIO_puts(out
," key1 =");
211 for (i
=0; i
<aout
; i
++)
213 sprintf(buf
,"%02X",abuf
[i
]);
219 (void)BIO_flush(out
);
223 bbuf
=(unsigned char *)OPENSSL_malloc(blen
);
224 bout
=ECDH_compute_key(bbuf
,blen
,EC_KEY_get0_public_key(a
),b
,KDF1_SHA1
);
227 BIO_puts(out
," key2 =");
228 for (i
=0; i
<bout
; i
++)
230 sprintf(buf
,"%02X",bbuf
[i
]);
236 (void)BIO_flush(out
);
239 if ((aout
< 4) || (bout
!= aout
) || (memcmp(abuf
,bbuf
,aout
) != 0))
242 BIO_printf(out
, " failed\n\n");
243 BIO_printf(out
, "key a:\n");
244 BIO_printf(out
, "private key: ");
245 BN_print(out
, EC_KEY_get0_private_key(a
));
246 BIO_printf(out
, "\n");
247 BIO_printf(out
, "public key (x,y): ");
249 BIO_printf(out
, ",");
251 BIO_printf(out
, "\nkey b:\n");
252 BIO_printf(out
, "private key: ");
253 BN_print(out
, EC_KEY_get0_private_key(b
));
254 BIO_printf(out
, "\n");
255 BIO_printf(out
, "public key (x,y): ");
257 BIO_printf(out
, ",");
259 BIO_printf(out
, "\n");
260 BIO_printf(out
, "generated key a: ");
261 for (i
=0; i
<bout
; i
++)
263 sprintf(buf
, "%02X", bbuf
[i
]);
266 BIO_printf(out
, "\n");
267 BIO_printf(out
, "generated key b: ");
268 for (i
=0; i
<aout
; i
++)
270 sprintf(buf
, "%02X", abuf
[i
]);
273 BIO_printf(out
, "\n");
275 fprintf(stderr
,"Error in ECDH routines\n");
281 BIO_printf(out
, " ok\n");
286 ERR_print_errors_fp(stderr
);
288 if (abuf
!= NULL
) OPENSSL_free(abuf
);
289 if (bbuf
!= NULL
) OPENSSL_free(bbuf
);
290 if (x_a
) BN_free(x_a
);
291 if (y_a
) BN_free(y_a
);
292 if (x_b
) BN_free(x_b
);
293 if (y_b
) BN_free(y_b
);
294 if (b
) EC_KEY_free(b
);
295 if (a
) EC_KEY_free(a
);
299 int main(int argc
, char *argv
[])
305 CRYPTO_malloc_debug_init();
306 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL
);
307 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON
);
309 #ifdef OPENSSL_SYS_WIN32
310 CRYPTO_malloc_init();
313 RAND_seed(rnd_seed
, sizeof rnd_seed
);
315 out
=BIO_new(BIO_s_file());
316 if (out
== NULL
) EXIT(1);
317 BIO_set_fp(out
,stdout
,BIO_NOCLOSE
);
319 if ((ctx
=BN_CTX_new()) == NULL
) goto err
;
321 /* NIST PRIME CURVES TESTS */
322 if (!test_ecdh_curve(NID_X9_62_prime192v1
, "NIST Prime-Curve P-192", ctx
, out
)) goto err
;
323 if (!test_ecdh_curve(NID_secp224r1
, "NIST Prime-Curve P-224", ctx
, out
)) goto err
;
324 if (!test_ecdh_curve(NID_X9_62_prime256v1
, "NIST Prime-Curve P-256", ctx
, out
)) goto err
;
325 if (!test_ecdh_curve(NID_secp384r1
, "NIST Prime-Curve P-384", ctx
, out
)) goto err
;
326 if (!test_ecdh_curve(NID_secp521r1
, "NIST Prime-Curve P-521", ctx
, out
)) goto err
;
327 /* NIST BINARY CURVES TESTS */
328 if (!test_ecdh_curve(NID_sect163k1
, "NIST Binary-Curve K-163", ctx
, out
)) goto err
;
329 if (!test_ecdh_curve(NID_sect163r2
, "NIST Binary-Curve B-163", ctx
, out
)) goto err
;
330 if (!test_ecdh_curve(NID_sect233k1
, "NIST Binary-Curve K-233", ctx
, out
)) goto err
;
331 if (!test_ecdh_curve(NID_sect233r1
, "NIST Binary-Curve B-233", ctx
, out
)) goto err
;
332 if (!test_ecdh_curve(NID_sect283k1
, "NIST Binary-Curve K-283", ctx
, out
)) goto err
;
333 if (!test_ecdh_curve(NID_sect283r1
, "NIST Binary-Curve B-283", ctx
, out
)) goto err
;
334 if (!test_ecdh_curve(NID_sect409k1
, "NIST Binary-Curve K-409", ctx
, out
)) goto err
;
335 if (!test_ecdh_curve(NID_sect409r1
, "NIST Binary-Curve B-409", ctx
, out
)) goto err
;
336 if (!test_ecdh_curve(NID_sect571k1
, "NIST Binary-Curve K-571", ctx
, out
)) goto err
;
337 if (!test_ecdh_curve(NID_sect571r1
, "NIST Binary-Curve B-571", ctx
, out
)) goto err
;
342 ERR_print_errors_fp(stderr
);
343 if (ctx
) BN_CTX_free(ctx
);
345 CRYPTO_cleanup_all_ex_data();
347 CRYPTO_mem_leaks_fp(stderr
);
353 static void MS_CALLBACK
cb(int p
, int n
, void *arg
)
361 BIO_write((BIO
*)arg
,&c
,1);
362 (void)BIO_flush((BIO
*)arg
);