2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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
11 # define OPENSSL_SHA_H
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
19 # include <openssl/e_os2.h>
26 # define SHA_DIGEST_LENGTH 20
28 # ifndef OPENSSL_NO_DEPRECATED_3_0
30 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
31 * ! SHA_LONG has to be at least 32 bits wide. !
32 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
34 # define SHA_LONG unsigned int
36 # define SHA_LBLOCK 16
37 # define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a
38 * contiguous array of 32 bit wide
39 * big-endian values. */
40 # define SHA_LAST_BLOCK (SHA_CBLOCK-8)
42 typedef struct SHAstate_st {
43 SHA_LONG h0, h1, h2, h3, h4;
45 SHA_LONG data[SHA_LBLOCK];
49 OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c);
50 OSSL_DEPRECATEDIN_3_0 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
51 OSSL_DEPRECATEDIN_3_0 int SHA1_Final(unsigned char *md, SHA_CTX *c);
52 OSSL_DEPRECATEDIN_3_0 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
55 unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
57 # ifndef OPENSSL_NO_DEPRECATED_3_0
58 # define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a
59 * contiguous array of 32 bit wide
60 * big-endian values. */
62 typedef struct SHA256state_st {
65 SHA_LONG data[SHA_LBLOCK];
66 unsigned int num, md_len;
69 OSSL_DEPRECATEDIN_3_0 int SHA224_Init(SHA256_CTX *c);
70 OSSL_DEPRECATEDIN_3_0 int SHA224_Update(SHA256_CTX *c,
71 const void *data, size_t len);
72 OSSL_DEPRECATEDIN_3_0 int SHA224_Final(unsigned char *md, SHA256_CTX *c);
73 OSSL_DEPRECATEDIN_3_0 int SHA256_Init(SHA256_CTX *c);
74 OSSL_DEPRECATEDIN_3_0 int SHA256_Update(SHA256_CTX *c,
75 const void *data, size_t len);
76 OSSL_DEPRECATEDIN_3_0 int SHA256_Final(unsigned char *md, SHA256_CTX *c);
77 OSSL_DEPRECATEDIN_3_0 void SHA256_Transform(SHA256_CTX *c,
78 const unsigned char *data);
81 unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md);
82 unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md);
84 # define SHA256_192_DIGEST_LENGTH 24
85 # define SHA224_DIGEST_LENGTH 28
86 # define SHA256_DIGEST_LENGTH 32
87 # define SHA384_DIGEST_LENGTH 48
88 # define SHA512_DIGEST_LENGTH 64
90 # ifndef OPENSSL_NO_DEPRECATED_3_0
92 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
93 * being exactly 64-bit wide. See Implementation Notes in sha512.c
94 * for further details.
97 * SHA-512 treats input data as a
98 * contiguous array of 64 bit
99 * wide big-endian values.
101 # define SHA512_CBLOCK (SHA_LBLOCK*8)
102 # if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
103 # define SHA_LONG64 unsigned __int64
104 # elif defined(__arch64__)
105 # define SHA_LONG64 unsigned long
107 # define SHA_LONG64 unsigned long long
110 typedef struct SHA512state_st {
114 SHA_LONG64 d[SHA_LBLOCK];
115 unsigned char p[SHA512_CBLOCK];
117 unsigned int num, md_len;
120 OSSL_DEPRECATEDIN_3_0 int SHA384_Init(SHA512_CTX *c);
121 OSSL_DEPRECATEDIN_3_0 int SHA384_Update(SHA512_CTX *c,
122 const void *data, size_t len);
123 OSSL_DEPRECATEDIN_3_0 int SHA384_Final(unsigned char *md, SHA512_CTX *c);
124 OSSL_DEPRECATEDIN_3_0 int SHA512_Init(SHA512_CTX *c);
125 OSSL_DEPRECATEDIN_3_0 int SHA512_Update(SHA512_CTX *c,
126 const void *data, size_t len);
127 OSSL_DEPRECATEDIN_3_0 int SHA512_Final(unsigned char *md, SHA512_CTX *c);
128 OSSL_DEPRECATEDIN_3_0 void SHA512_Transform(SHA512_CTX *c,
129 const unsigned char *data);
132 unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md);
133 unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md);