2 * Copyright 1995-2020 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>
20 # include <openssl/evp.h>
27 # define SHA_DIGEST_LENGTH 20
29 # ifndef OPENSSL_NO_DEPRECATED_3_0
31 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
32 * ! SHA_LONG has to be at least 32 bits wide. !
33 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
35 # define SHA_LONG unsigned int
37 # define SHA_LBLOCK 16
38 # define SHA_CBLOCK (SHA_LBLOCK*4)/* SHA treats input data as a
39 * contiguous array of 32 bit wide
40 * big-endian values. */
41 # define SHA_LAST_BLOCK (SHA_CBLOCK-8)
43 typedef struct SHAstate_st {
44 SHA_LONG h0, h1, h2, h3, h4;
46 SHA_LONG data[SHA_LBLOCK];
50 OSSL_DEPRECATEDIN_3_0 int SHA1_Init(SHA_CTX *c);
51 OSSL_DEPRECATEDIN_3_0 int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
52 OSSL_DEPRECATEDIN_3_0 int SHA1_Final(unsigned char *md, SHA_CTX *c);
53 OSSL_DEPRECATEDIN_3_0 void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
56 # define SHA1(d, n, md) \
57 (EVP_Q_digest(NULL, "SHA1", NULL, d, n, md, NULL) ? md : NULL)
59 # ifndef OPENSSL_NO_DEPRECATED_3_0
60 # define SHA256_CBLOCK (SHA_LBLOCK*4)/* SHA-256 treats input data as a
61 * contiguous array of 32 bit wide
62 * big-endian values. */
64 typedef struct SHA256state_st {
67 SHA_LONG data[SHA_LBLOCK];
68 unsigned int num, md_len;
71 OSSL_DEPRECATEDIN_3_0 int SHA224_Init(SHA256_CTX *c);
72 OSSL_DEPRECATEDIN_3_0 int SHA224_Update(SHA256_CTX *c,
73 const void *data, size_t len);
74 OSSL_DEPRECATEDIN_3_0 int SHA224_Final(unsigned char *md, SHA256_CTX *c);
75 OSSL_DEPRECATEDIN_3_0 int SHA256_Init(SHA256_CTX *c);
76 OSSL_DEPRECATEDIN_3_0 int SHA256_Update(SHA256_CTX *c,
77 const void *data, size_t len);
78 OSSL_DEPRECATEDIN_3_0 int SHA256_Final(unsigned char *md, SHA256_CTX *c);
79 OSSL_DEPRECATEDIN_3_0 void SHA256_Transform(SHA256_CTX *c,
80 const unsigned char *data);
83 # define SHA224(d, n, md) \
84 (EVP_Q_digest(NULL, "SHA224", NULL, d, n, md, NULL) ? md : NULL)
85 # define SHA256(d, n, md) \
86 (EVP_Q_digest(NULL, "SHA256", NULL, d, n, md, NULL) ? md : NULL)
88 # define SHA224_DIGEST_LENGTH 28
89 # define SHA256_DIGEST_LENGTH 32
90 # define SHA384_DIGEST_LENGTH 48
91 # define SHA512_DIGEST_LENGTH 64
93 # ifndef OPENSSL_NO_DEPRECATED_3_0
95 * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
96 * being exactly 64-bit wide. See Implementation Notes in sha512.c
97 * for further details.
100 * SHA-512 treats input data as a
101 * contiguous array of 64 bit
102 * wide big-endian values.
104 # define SHA512_CBLOCK (SHA_LBLOCK*8)
105 # if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
106 # define SHA_LONG64 unsigned __int64
107 # elif defined(__arch64__)
108 # define SHA_LONG64 unsigned long
110 # define SHA_LONG64 unsigned long long
113 typedef struct SHA512state_st {
117 SHA_LONG64 d[SHA_LBLOCK];
118 unsigned char p[SHA512_CBLOCK];
120 unsigned int num, md_len;
123 OSSL_DEPRECATEDIN_3_0 int SHA384_Init(SHA512_CTX *c);
124 OSSL_DEPRECATEDIN_3_0 int SHA384_Update(SHA512_CTX *c,
125 const void *data, size_t len);
126 OSSL_DEPRECATEDIN_3_0 int SHA384_Final(unsigned char *md, SHA512_CTX *c);
127 OSSL_DEPRECATEDIN_3_0 int SHA512_Init(SHA512_CTX *c);
128 OSSL_DEPRECATEDIN_3_0 int SHA512_Update(SHA512_CTX *c,
129 const void *data, size_t len);
130 OSSL_DEPRECATEDIN_3_0 int SHA512_Final(unsigned char *md, SHA512_CTX *c);
131 OSSL_DEPRECATEDIN_3_0 void SHA512_Transform(SHA512_CTX *c,
132 const unsigned char *data);
135 # define SHA384(d, n, md) \
136 (EVP_Q_digest(NULL, "SHA384", NULL, d, n, md, NULL) ? md : NULL)
137 # define SHA512(d, n, md) \
138 (EVP_Q_digest(NULL, "SHA512", NULL, d, n, md, NULL) ? md : NULL)