test/hmactest.c

   1 /*
   2  * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 /*
  11  * HMAC low level APIs are deprecated for public use, but still ok for internal
  12  * use.
  13  */
  14 #include "internal/deprecated.h"
  15
  16 #include <stdio.h>
  17 #include <string.h>
  18 #include <stdlib.h>
  19
  20 #include "internal/nelem.h"
  21
  22 # include <openssl/hmac.h>
  23 # include <openssl/sha.h>
  24 # ifndef OPENSSL_NO_MD5
  25 #  include <openssl/md5.h>
  26 # endif
  27
  28 # ifdef CHARSET_EBCDIC
  29 #  include <openssl/ebcdic.h>
  30 # endif
  31
  32 #include "testutil.h"
  33
  34 # ifndef OPENSSL_NO_MD5
  35 static struct test_st {
  36     const char key[16];
  37     int key_len;
  38     const unsigned char data[64];
  39     int data_len;
  40     const char *digest;
  41 } test[8] = {
  42     {
  43         "", 0, "More text test vectors to stuff up EBCDIC machines :-)", 54,
  44         "e9139d1e6ee064ef8cf514fc7dc83e86",
  45     },
  46     {
  47         "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
  48         16, "Hi There", 8,
  49         "9294727a3638bb1c13f48ef8158bfc9d",
  50     },
  51     {
  52         "Jefe", 4, "what do ya want for nothing?", 28,
  53         "750c783e6ab0b503eaa86e310a5db738",
  54     },
  55     {
  56         "\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
  57         16, {
  58             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
  59             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
  60             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
  61             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
  62             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd
  63         }, 50, "56be34521d144c88dbb8c733f0e8b3f6",
  64     },
  65     {
  66         "", 0, "My test data", 12,
  67         "61afdecb95429ef494d61fdee15990cabf0826fc"
  68     },
  69     {
  70         "", 0, "My test data", 12,
  71         "2274b195d90ce8e03406f4b526a47e0787a88a65479938f1a5baa3ce0f079776"
  72     },
  73     {
  74         "123456", 6, "My test data", 12,
  75         "bab53058ae861a7f191abe2d0145cbb123776a6369ee3f9d79ce455667e411dd"
  76     },
  77     {
  78         "12345", 5, "My test data again", 18,
  79         "a12396ceddd2a85f4c656bc1e0aa50c78cffde3e"
  80     }
  81 };
  82 # endif
  83
  84 static char *pt(unsigned char *md, unsigned int len);
  85
  86
  87 # ifndef OPENSSL_NO_MD5
  88 static int test_hmac_md5(int idx)
  89 {
  90     char *p;
  91 #  ifdef CHARSET_EBCDIC
  92     ebcdic2ascii(test[0].data, test[0].data, test[0].data_len);
  93     ebcdic2ascii(test[1].data, test[1].data, test[1].data_len);
  94     ebcdic2ascii(test[2].key, test[2].key, test[2].key_len);
  95     ebcdic2ascii(test[2].data, test[2].data, test[2].data_len);
  96 #  endif
  97
  98     p = pt(HMAC(EVP_md5(),
  99                 test[idx].key, test[idx].key_len,
 100                 test[idx].data, test[idx].data_len, NULL, NULL),
 101                 MD5_DIGEST_LENGTH);
 102
 103     if (!TEST_str_eq(p, test[idx].digest))
 104       return 0;
 105
 106     return 1;
 107 }
 108 # endif
 109
 110 static int test_hmac_bad(void)
 111 {
 112     HMAC_CTX *ctx = NULL;
 113     int ret = 0;
 114
 115     ctx = HMAC_CTX_new();
 116     if (!TEST_ptr(ctx)
 117         || !TEST_ptr_null(HMAC_CTX_get_md(ctx))
 118         || !TEST_false(HMAC_Init_ex(ctx, NULL, 0, NULL, NULL))
 119         || !TEST_false(HMAC_Update(ctx, test[4].data, test[4].data_len))
 120         || !TEST_false(HMAC_Init_ex(ctx, NULL, 0, EVP_sha1(), NULL))
 121         || !TEST_false(HMAC_Update(ctx, test[4].data, test[4].data_len)))
 122         goto err;
 123
 124     ret = 1;
 125 err:
 126     HMAC_CTX_free(ctx);
 127     return ret;
 128 }
 129
 130 static int test_hmac_run(void)
 131 {
 132     char *p;
 133     HMAC_CTX *ctx = NULL;
 134     unsigned char buf[EVP_MAX_MD_SIZE];
 135     unsigned int len;
 136     int ret = 0;
 137
 138     ctx = HMAC_CTX_new();
 139     HMAC_CTX_reset(ctx);
 140
 141     if (!TEST_ptr(ctx)
 142         || !TEST_ptr_null(HMAC_CTX_get_md(ctx))
 143         || !TEST_false(HMAC_Init_ex(ctx, NULL, 0, NULL, NULL))
 144         || !TEST_false(HMAC_Update(ctx, test[4].data, test[4].data_len))
 145         || !TEST_false(HMAC_Init_ex(ctx, test[4].key, -1, EVP_sha1(), NULL)))
 146         goto err;
 147
 148     if (!TEST_true(HMAC_Init_ex(ctx, test[4].key, test[4].key_len, EVP_sha1(), NULL))
 149         || !TEST_true(HMAC_Update(ctx, test[4].data, test[4].data_len))
 150         || !TEST_true(HMAC_Final(ctx, buf, &len)))
 151         goto err;
 152
 153     p = pt(buf, len);
 154     if (!TEST_str_eq(p, test[4].digest))
 155         goto err;
 156
 157     if (!TEST_false(HMAC_Init_ex(ctx, NULL, 0, EVP_sha256(), NULL)))
 158         goto err;
 159
 160     if (!TEST_true(HMAC_Init_ex(ctx, test[5].key, test[5].key_len, EVP_sha256(), NULL))
 161         || !TEST_ptr_eq(HMAC_CTX_get_md(ctx), EVP_sha256())
 162         || !TEST_true(HMAC_Update(ctx, test[5].data, test[5].data_len))
 163         || !TEST_true(HMAC_Final(ctx, buf, &len)))
 164         goto err;
 165
 166     p = pt(buf, len);
 167     if (!TEST_str_eq(p, test[5].digest))
 168         goto err;
 169
 170     if (!TEST_true(HMAC_Init_ex(ctx, test[6].key, test[6].key_len, NULL, NULL))
 171         || !TEST_true(HMAC_Update(ctx, test[6].data, test[6].data_len))
 172         || !TEST_true(HMAC_Final(ctx, buf, &len)))
 173         goto err;
 174     p = pt(buf, len);
 175     if (!TEST_str_eq(p, test[6].digest))
 176         goto err;
 177
 178     /* Test reusing a key */
 179     if (!TEST_true(HMAC_Init_ex(ctx, NULL, 0, NULL, NULL))
 180         || !TEST_true(HMAC_Update(ctx, test[6].data, test[6].data_len))
 181         || !TEST_true(HMAC_Final(ctx, buf, &len)))
 182         goto err;
 183     p = pt(buf, len);
 184     if (!TEST_str_eq(p, test[6].digest))
 185         goto err;
 186
 187     /*
 188      * Test reusing a key where the digest is provided again but is the same as
 189      * last time
 190      */
 191     if (!TEST_true(HMAC_Init_ex(ctx, NULL, 0, EVP_sha256(), NULL))
 192         || !TEST_true(HMAC_Update(ctx, test[6].data, test[6].data_len))
 193         || !TEST_true(HMAC_Final(ctx, buf, &len)))
 194         goto err;
 195     p = pt(buf, len);
 196     if (!TEST_str_eq(p, test[6].digest))
 197         goto err;
 198
 199     ret = 1;
 200 err:
 201     HMAC_CTX_free(ctx);
 202     return ret;
 203 }
 204
 205
 206 static int test_hmac_single_shot(void)
 207 {
 208     char *p;
 209
 210     /* Test single-shot with an empty key. */
 211     p = pt(HMAC(EVP_sha1(), NULL, 0, test[4].data, test[4].data_len,
 212                 NULL, NULL), SHA_DIGEST_LENGTH);
 213     if (!TEST_str_eq(p, test[4].digest))
 214         return 0;
 215
 216     return 1;
 217 }
 218
 219
 220 static int test_hmac_copy(void)
 221 {
 222     char *p;
 223     HMAC_CTX *ctx = NULL, *ctx2 = NULL;
 224     unsigned char buf[EVP_MAX_MD_SIZE];
 225     unsigned int len;
 226     int ret = 0;
 227
 228     ctx = HMAC_CTX_new();
 229     ctx2 = HMAC_CTX_new();
 230     if (!TEST_ptr(ctx) || !TEST_ptr(ctx2))
 231         goto err;
 232
 233     if (!TEST_true(HMAC_Init_ex(ctx, test[7].key, test[7].key_len, EVP_sha1(), NULL))
 234         || !TEST_true(HMAC_Update(ctx, test[7].data, test[7].data_len))
 235         || !TEST_true(HMAC_CTX_copy(ctx2, ctx))
 236         || !TEST_true(HMAC_Final(ctx2, buf, &len)))
 237         goto err;
 238
 239     p = pt(buf, len);
 240     if (!TEST_str_eq(p, test[7].digest))
 241         goto err;
 242
 243     ret = 1;
 244 err:
 245     HMAC_CTX_free(ctx2);
 246     HMAC_CTX_free(ctx);
 247     return ret;
 248 }
 249
 250 # ifndef OPENSSL_NO_MD5
 251 static char *pt(unsigned char *md, unsigned int len)
 252 {
 253     unsigned int i;
 254     static char buf[80];
 255
 256     for (i = 0; i < len; i++)
 257         sprintf(&(buf[i * 2]), "%02x", md[i]);
 258     return buf;
 259 }
 260 # endif
 261
 262 int setup_tests(void)
 263 {
 264     ADD_ALL_TESTS(test_hmac_md5, 4);
 265     ADD_TEST(test_hmac_single_shot);
 266     ADD_TEST(test_hmac_bad);
 267     ADD_TEST(test_hmac_run);
 268     ADD_TEST(test_hmac_copy);
 269     return 1;
 270 }
 271