sha1.c 4.2 KB

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  1. /* crypto/sha/sha1.c */
  2. /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  3. * All rights reserved.
  4. *
  5. * This package is an SSL implementation written
  6. * by Eric Young (eay@cryptsoft.com).
  7. * The implementation was written so as to conform with Netscapes SSL.
  8. *
  9. * This library is free for commercial and non-commercial use as long as
  10. * the following conditions are aheared to. The following conditions
  11. * apply to all code found in this distribution, be it the RC4, RSA,
  12. * lhash, DES, etc., code; not just the SSL code. The SSL documentation
  13. * included with this distribution is covered by the same copyright terms
  14. * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15. *
  16. * Copyright remains Eric Young's, and as such any Copyright notices in
  17. * the code are not to be removed.
  18. * If this package is used in a product, Eric Young should be given attribution
  19. * as the author of the parts of the library used.
  20. * This can be in the form of a textual message at program startup or
  21. * in documentation (online or textual) provided with the package.
  22. *
  23. * Redistribution and use in source and binary forms, with or without
  24. * modification, are permitted provided that the following conditions
  25. * are met:
  26. * 1. Redistributions of source code must retain the copyright
  27. * notice, this list of conditions and the following disclaimer.
  28. * 2. Redistributions in binary form must reproduce the above copyright
  29. * notice, this list of conditions and the following disclaimer in the
  30. * documentation and/or other materials provided with the distribution.
  31. * 3. All advertising materials mentioning features or use of this software
  32. * must display the following acknowledgement:
  33. * "This product includes cryptographic software written by
  34. * Eric Young (eay@cryptsoft.com)"
  35. * The word 'cryptographic' can be left out if the rouines from the library
  36. * being used are not cryptographic related :-).
  37. * 4. If you include any Windows specific code (or a derivative thereof) from
  38. * the apps directory (application code) you must include an acknowledgement:
  39. * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40. *
  41. * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51. * SUCH DAMAGE.
  52. *
  53. * The licence and distribution terms for any publically available version or
  54. * derivative of this code cannot be changed. i.e. this code cannot simply be
  55. * copied and put under another distribution licence
  56. * [including the GNU Public Licence.]
  57. */
  58. #include <stdio.h>
  59. #include <stdlib.h>
  60. #include <openssl/sha.h>
  61. #define BUFSIZE 1024*16
  62. void do_fp(FILE *f);
  63. void pt(unsigned char *md);
  64. #ifndef _OSD_POSIX
  65. int read(int, void *, unsigned int);
  66. #endif
  67. int main(int argc, char **argv)
  68. {
  69. int i, err = 0;
  70. FILE *IN;
  71. if (argc == 1) {
  72. do_fp(stdin);
  73. } else {
  74. for (i = 1; i < argc; i++) {
  75. IN = fopen(argv[i], "r");
  76. if (IN == NULL) {
  77. perror(argv[i]);
  78. err++;
  79. continue;
  80. }
  81. printf("SHA1(%s)= ", argv[i]);
  82. do_fp(IN);
  83. fclose(IN);
  84. }
  85. }
  86. exit(err);
  87. }
  88. void do_fp(FILE *f)
  89. {
  90. SHA_CTX c;
  91. unsigned char md[SHA_DIGEST_LENGTH];
  92. int fd;
  93. int i;
  94. unsigned char buf[BUFSIZE];
  95. fd = fileno(f);
  96. SHA1_Init(&c);
  97. for (;;) {
  98. i = read(fd, buf, BUFSIZE);
  99. if (i <= 0)
  100. break;
  101. SHA1_Update(&c, buf, (unsigned long)i);
  102. }
  103. SHA1_Final(&(md[0]), &c);
  104. pt(md);
  105. }
  106. void pt(unsigned char *md)
  107. {
  108. int i;
  109. for (i = 0; i < SHA_DIGEST_LENGTH; i++)
  110. printf("%02x", md[i]);
  111. printf("\n");
  112. }