sha2.h 3.9 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104
  1. /* $OpenBSD: sha2.h,v 1.6 2004/06/22 01:57:30 jfb Exp $ */
  2. /*
  3. * FILE: sha2.h
  4. * AUTHOR: Aaron D. Gifford <[email protected]>
  5. *
  6. * Copyright (c) 2000-2001, Aaron D. Gifford
  7. * All rights reserved.
  8. *
  9. * Redistribution and use in source and binary forms, with or without
  10. * modification, are permitted provided that the following conditions
  11. * are met:
  12. * 1. Redistributions of source code must retain the above copyright
  13. * notice, this list of conditions and the following disclaimer.
  14. * 2. Redistributions in binary form must reproduce the above copyright
  15. * notice, this list of conditions and the following disclaimer in the
  16. * documentation and/or other materials provided with the distribution.
  17. * 3. Neither the name of the copyright holder nor the names of contributors
  18. * may be used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
  22. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
  25. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31. * SUCH DAMAGE.
  32. *
  33. * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
  34. */
  35. #ifndef _SHA2_H
  36. #define _SHA2_H
  37. #include <sys/types.h>
  38. #include <stdint.h>
  39. /*** SHA-256/384/512 Various Length Definitions ***********************/
  40. #define SHA256_BLOCK_LENGTH 64
  41. #define SHA256_DIGEST_LENGTH 32
  42. #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
  43. #define SHA384_BLOCK_LENGTH 128
  44. #define SHA384_DIGEST_LENGTH 48
  45. #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
  46. #define SHA512_BLOCK_LENGTH 128
  47. #define SHA512_DIGEST_LENGTH 64
  48. #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
  49. /*** SHA-256/384/512 Context Structure *******************************/
  50. typedef struct _SHA2_CTX {
  51. union {
  52. uint32_t st32[8];
  53. uint64_t st64[8];
  54. } state;
  55. uint64_t bitcount[2];
  56. uint8_t buffer[SHA512_BLOCK_LENGTH];
  57. } SHA2_CTX;
  58. #ifdef __cplusplus
  59. extern "C" {
  60. #endif
  61. void SHA256Init(SHA2_CTX *);
  62. void SHA256Transform(uint32_t state[8], const uint8_t [SHA256_BLOCK_LENGTH]);
  63. void SHA256Update(SHA2_CTX *, const uint8_t *, size_t);
  64. void SHA256Pad(SHA2_CTX *);
  65. void SHA256Final(uint8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *);
  66. char *SHA256End(SHA2_CTX *, char *);
  67. char *SHA256File(const char *, char *);
  68. char *SHA256FileChunk(const char *, char *, off_t, off_t);
  69. char *SHA256Data(const uint8_t *, size_t, char *);
  70. void SHA384Init(SHA2_CTX *);
  71. void SHA384Transform(uint64_t state[8], const uint8_t [SHA384_BLOCK_LENGTH]);
  72. void SHA384Update(SHA2_CTX *, const uint8_t *, size_t);
  73. void SHA384Pad(SHA2_CTX *);
  74. void SHA384Final(uint8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *);
  75. char *SHA384End(SHA2_CTX *, char *);
  76. char *SHA384File(const char *, char *);
  77. char *SHA384FileChunk(const char *, char *, off_t, off_t);
  78. char *SHA384Data(const uint8_t *, size_t, char *);
  79. void SHA512Init(SHA2_CTX *);
  80. void SHA512Transform(uint64_t state[8], const uint8_t [SHA512_BLOCK_LENGTH]);
  81. void SHA512Update(SHA2_CTX *, const uint8_t *, size_t);
  82. void SHA512Pad(SHA2_CTX *);
  83. void SHA512Final(uint8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *);
  84. char *SHA512End(SHA2_CTX *, char *);
  85. char *SHA512File(const char *, char *);
  86. char *SHA512FileChunk(const char *, char *, off_t, off_t);
  87. char *SHA512Data(const uint8_t *, size_t, char *);
  88. #ifdef __cplusplus
  89. }
  90. #endif
  91. #endif /* _SHA2_H */