text: /* crypto/hmac/hmactest.c */
  /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   * All rights reserved.
   *
   * This package is an SSL implementation written
   * by Eric Young (eay@cryptsoft.com).
   * The implementation was written so as to conform with Netscapes SSL.
   *
   * This library is free for commercial and non-commercial use as long as
   * the following conditions are aheared to.  The following conditions
   * apply to all code found in this distribution, be it the RC4, RSA,
   * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
   * included with this distribution is covered by the same copyright terms
   * except that the holder is Tim Hudson (tjh@cryptsoft.com).
   *
   * Copyright remains Eric Young's, and as such any Copyright notices in
   * the code are not to be removed.
   * If this package is used in a product, Eric Young should be given attribution
   * as the author of the parts of the library used.
   * This can be in the form of a textual message at program startup or
   * in documentation (online or textual) provided with the package.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *    "This product includes cryptographic software written by
   *     Eric Young (eay@cryptsoft.com)"
   *    The word 'cryptographic' can be left out if the rouines from the library
   *    being used are not cryptographic related :-).
   * 4. If you include any Windows specific code (or a derivative thereof) from
   *    the apps directory (application code) you must include an acknowledgement:
   *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
   *
   * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   * The licence and distribution terms for any publically available version or
   * derivative of this code cannot be changed.  i.e. this code cannot simply be
   * copied and put under another distribution licence
   * [including the GNU Public Licence.]
   */
  
  #include <stdio.h>
  #include <string.h>
  #include <stdlib.h>
  
  #include "../e_os.h"
  
  #ifdef OPENSSL_NO_HMAC
  int main(int argc, char *argv[])
  {
      printf("No HMAC support\n");
      return (0);
  }
  #else
  # include <openssl/hmac.h>
  # ifndef OPENSSL_NO_MD5
  #  include <openssl/md5.h>
  # endif
  
  # ifdef CHARSET_EBCDIC
  #  include <openssl/ebcdic.h>
  # endif
  
  # ifndef OPENSSL_NO_MD5
  static struct test_st {
      unsigned char key[16];
      int key_len;
      unsigned char data[64];
      int data_len;
      unsigned char *digest;
  } test[8] = {
      {
          "", 0, "More text test vectors to stuff up EBCDIC machines :-)", 54,
          (unsigned char *)"e9139d1e6ee064ef8cf514fc7dc83e86",
      },
      {
          {
              0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
              0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
          }, 16, "Hi There", 8,
          (unsigned char *)"9294727a3638bb1c13f48ef8158bfc9d",
      },
      {
          "Jefe", 4, "what do ya want for nothing?", 28,
          (unsigned char *)"750c783e6ab0b503eaa86e310a5db738",
      },
      {
          {
              0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
              0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
          }, 16, {
              0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
              0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
              0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
              0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
              0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd
          }, 50, (unsigned char *)"56be34521d144c88dbb8c733f0e8b3f6",
      },
      {
          "", 0, "My test data", 12,
          (unsigned char *)"61afdecb95429ef494d61fdee15990cabf0826fc"
      },
      {
          "", 0, "My test data", 12,
          (unsigned char *)"2274b195d90ce8e03406f4b526a47e0787a88a65479938f1a5baa3ce0f079776"
      },
      {
          "123456", 6, "My test data", 12,
          (unsigned char *)"bab53058ae861a7f191abe2d0145cbb123776a6369ee3f9d79ce455667e411dd"
      },
      {
          "12345", 5, "My test data again", 12,
          (unsigned char *)"7dbe8c764c068e3bcd6e6b0fbcd5e6fc197b15bb"
      }
  };
  # endif
  
  static char *pt(unsigned char *md, unsigned int len);
  
  int main(int argc, char *argv[])
  {
  # ifndef OPENSSL_NO_MD5
      int i;
      char *p;
  # endif
      int err = 0;
      HMAC_CTX ctx, ctx2;
      unsigned char buf[EVP_MAX_MD_SIZE];
      unsigned int len;
  
  # ifdef OPENSSL_NO_MD5
      printf("test skipped: MD5 disabled\n");
  # else
  
  #  ifdef CHARSET_EBCDIC
      ebcdic2ascii(test[0].data, test[0].data, test[0].data_len);
      ebcdic2ascii(test[1].data, test[1].data, test[1].data_len);
      ebcdic2ascii(test[2].key, test[2].key, test[2].key_len);
      ebcdic2ascii(test[2].data, test[2].data, test[2].data_len);
  #  endif
  
      for (i = 0; i < 4; i++) {
          p = pt(HMAC(EVP_md5(),
                      test[i].key, test[i].key_len,
                      test[i].data, test[i].data_len, NULL, NULL),
                      MD5_DIGEST_LENGTH);
  
          if (strcmp(p, (char *)test[i].digest) != 0) {
              printf("Error calculating HMAC on %d entry'\n", i);
              printf("got %s instead of %s\n", p, test[i].digest);
              err++;
          } else
              printf("test %d ok\n", i);
      }
  # endif                         /* OPENSSL_NO_MD5 */
  
  /* test4 */
      HMAC_CTX_init(&ctx);
      if (HMAC_Init_ex(&ctx, NULL, 0, NULL, NULL)) {
          printf("Should fail to initialise HMAC with empty MD and key (test 4)\n");
          err++;
          goto test5;
      }
      if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
          printf("Should fail HMAC_Update with ctx not set up (test 4)\n");
          err++;
          goto test5;
      }
      if (HMAC_Init_ex(&ctx, NULL, 0, EVP_sha1(), NULL)) {
          printf("Should fail to initialise HMAC with empty key (test 4)\n");
          err++;
          goto test5;
      }
      if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
          printf("Should fail HMAC_Update with ctx not set up (test 4)\n");
          err++;
          goto test5;
      }
      printf("test 4 ok\n");
  test5:
      HMAC_CTX_cleanup(&ctx);
      HMAC_CTX_init(&ctx);
      if (HMAC_Init_ex(&ctx, test[4].key, test[4].key_len, NULL, NULL)) {
          printf("Should fail to initialise HMAC with empty MD (test 5)\n");
          err++;
          goto test6;
      }
      if (HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
          printf("Should fail HMAC_Update with ctx not set up (test 5)\n");
          err++;
          goto test6;
      }
      if (HMAC_Init_ex(&ctx, test[4].key, -1, EVP_sha1(), NULL)) {
          printf("Should fail to initialise HMAC with invalid key len(test 5)\n");
          err++;
          goto test6;
      }
      if (!HMAC_Init_ex(&ctx, test[4].key, test[4].key_len, EVP_sha1(), NULL)) {
          printf("Failed to initialise HMAC (test 5)\n");
          err++;
          goto test6;
      }
      if (!HMAC_Update(&ctx, test[4].data, test[4].data_len)) {
          printf("Error updating HMAC with data (test 5)\n");
          err++;
          goto test6;
      }
      if (!HMAC_Final(&ctx, buf, &len)) {
          printf("Error finalising data (test 5)\n");
          err++;
          goto test6;
      }
      p = pt(buf, len);
      if (strcmp(p, (char *)test[4].digest) != 0) {
          printf("Error calculating interim HMAC on test 5\n");
          printf("got %s instead of %s\n", p, test[4].digest);
          err++;
          goto test6;
      }
      if (HMAC_Init_ex(&ctx, NULL, 0, EVP_sha256(), NULL)) {
          printf("Should disallow changing MD without a new key (test 5)\n");
          err++;
          goto test6;
      }
      if (!HMAC_Init_ex(&ctx, test[4].key, test[4].key_len, EVP_sha256(), NULL)) {
          printf("Failed to reinitialise HMAC (test 5)\n");
          err++;
          goto test6;
      }
      if (!HMAC_Update(&ctx, test[5].data, test[5].data_len)) {
          printf("Error updating HMAC with data (sha256) (test 5)\n");
          err++;
          goto test6;
      }
      if (!HMAC_Final(&ctx, buf, &len)) {
          printf("Error finalising data (sha256) (test 5)\n");
          err++;
          goto test6;
      }
      p = pt(buf, len);
      if (strcmp(p, (char *)test[5].digest) != 0) {
          printf("Error calculating 2nd interim HMAC on test 5\n");
          printf("got %s instead of %s\n", p, test[5].digest);
          err++;
          goto test6;
      }
      if (!HMAC_Init_ex(&ctx, test[6].key, test[6].key_len, NULL, NULL)) {
          printf("Failed to reinitialise HMAC with key (test 5)\n");
          err++;
          goto test6;
      }
      if (!HMAC_Update(&ctx, test[6].data, test[6].data_len)) {
          printf("Error updating HMAC with data (new key) (test 5)\n");
          err++;
          goto test6;
      }
      if (!HMAC_Final(&ctx, buf, &len)) {
          printf("Error finalising data (new key) (test 5)\n");
          err++;
          goto test6;
      }
      p = pt(buf, len);
      if (strcmp(p, (char *)test[6].digest) != 0) {
          printf("error calculating HMAC on test 5\n");
          printf("got %s instead of %s\n", p, test[6].digest);
          err++;
      } else {
          printf("test 5 ok\n");
      }
  test6:
      HMAC_CTX_cleanup(&ctx);
      HMAC_CTX_init(&ctx);
      if (!HMAC_Init_ex(&ctx, test[7].key, test[7].key_len, EVP_sha1(), NULL)) {
          printf("Failed to initialise HMAC (test 6)\n");
          err++;
          goto end;
      }
      if (!HMAC_Update(&ctx, test[7].data, test[7].data_len)) {
          printf("Error updating HMAC with data (test 6)\n");
          err++;
          goto end;
      }
      if (!HMAC_CTX_copy(&ctx2, &ctx)) {
          printf("Failed to copy HMAC_CTX (test 6)\n");
          err++;
          goto end;
      }
      if (!HMAC_Final(&ctx2, buf, &len)) {
          printf("Error finalising data (test 6)\n");
          err++;
          goto end;
      }
      p = pt(buf, len);
      if (strcmp(p, (char *)test[7].digest) != 0) {
          printf("Error calculating HMAC on test 6\n");
          printf("got %s instead of %s\n", p, test[7].digest);
          err++;
      } else {
          printf("test 6 ok\n");
      }
  end:
      HMAC_CTX_cleanup(&ctx);
      EXIT(err);
      return (0);
  }
  
  # ifndef OPENSSL_NO_MD5
  static char *pt(unsigned char *md, unsigned int len)
  {
      unsigned int i;
      static char buf[80];
  
      for (i = 0; i < len; i++)
          sprintf(&(buf[i * 2]), "%02x", md[i]);
      return (buf);
  }
  # endif
  #endif
  