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sha1.h

sha1.h 2.2 KB
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  1. /*	$OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt Exp $	*/
    2. 

  2. 

  3. /*
    4. 

  4.  * SHA-1 in C
    5. 

  5.  * By Steve Reid <steve@edmweb.com>
    6. 

  6.  * 100% Public Domain
    7. 

  7.  */
    8. 

  8. 

  9. #ifndef _SHA1_H
    10. 

  10. #define _SHA1_H
    11. 

  11. 

  12. #ifndef WITH_OPENSSL
    13. 

  13. 

  14. #define	SHA1_BLOCK_LENGTH		64
    15. 

  15. #define	SHA1_DIGEST_LENGTH		20
    16. 

  16. #define	SHA1_DIGEST_STRING_LENGTH	(SHA1_DIGEST_LENGTH * 2 + 1)
    17. 

  17. 

  18. typedef struct {
    19. 

  19.     u_int32_t state[5];
    20. 

  20.     u_int64_t count;
    21. 

  21.     u_int8_t buffer[SHA1_BLOCK_LENGTH];
    22. 

  22. } SHA1_CTX;
    23. 

  23. 

  24. void SHA1Init(SHA1_CTX *);
    25. 

  25. void SHA1Pad(SHA1_CTX *);
    26. 

  26. void SHA1Transform(u_int32_t [5], const u_int8_t [SHA1_BLOCK_LENGTH])
    27. 

  27. 	__attribute__((__bounded__(__minbytes__,1,5)))
    28. 

  28. 	__attribute__((__bounded__(__minbytes__,2,SHA1_BLOCK_LENGTH)));
    29. 

  29. void SHA1Update(SHA1_CTX *, const u_int8_t *, size_t)
    30. 

  30. 	__attribute__((__bounded__(__string__,2,3)));
    31. 

  31. void SHA1Final(u_int8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *)
    32. 

  32. 	__attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH)));
    33. 

  33. char *SHA1End(SHA1_CTX *, char *)
    34. 

  34. 	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
    35. 

  35. char *SHA1File(const char *, char *)
    36. 

  36. 	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
    37. 

  37. char *SHA1FileChunk(const char *, char *, off_t, off_t)
    38. 

  38. 	__attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
    39. 

  39. char *SHA1Data(const u_int8_t *, size_t, char *)
    40. 

  40. 	__attribute__((__bounded__(__string__,1,2)))
    41. 

  41. 	__attribute__((__bounded__(__minbytes__,3,SHA1_DIGEST_STRING_LENGTH)));
    42. 

  42. 

  43. #define HTONDIGEST(x) do {                                              \
    44. 

  44.         x[0] = htonl(x[0]);                                             \
    45. 

  45.         x[1] = htonl(x[1]);                                             \
    46. 

  46.         x[2] = htonl(x[2]);                                             \
    47. 

  47.         x[3] = htonl(x[3]);                                             \
    48. 

  48.         x[4] = htonl(x[4]); } while (0)
    49. 

  49. 

  50. #define NTOHDIGEST(x) do {                                              \
    51. 

  51.         x[0] = ntohl(x[0]);                                             \
    52. 

  52.         x[1] = ntohl(x[1]);                                             \
    53. 

  53.         x[2] = ntohl(x[2]);                                             \
    54. 

  54.         x[3] = ntohl(x[3]);                                             \
    55. 

  55.         x[4] = ntohl(x[4]); } while (0)
    56. 

  56. 

  57. #endif /* !WITH_OPENSSL */
    58. 

  58. #endif /* _SHA1_H */
    59. 

  59.