1 | /* |
2 | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. |
3 | * |
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 |
8 | */ |
9 | |
10 | #ifndef OPENSSL_SHA_H |
11 | # define OPENSSL_SHA_H |
12 | # pragma once |
13 | |
14 | # include <openssl/macros.h> |
15 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
16 | # define |
17 | # endif |
18 | |
19 | # include <openssl/e_os2.h> |
20 | # include <stddef.h> |
21 | |
22 | # ifdef __cplusplus |
23 | extern "C" { |
24 | # endif |
25 | |
26 | # define SHA_DIGEST_LENGTH 20 |
27 | |
28 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
29 | /*- |
30 | * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
31 | * ! SHA_LONG has to be at least 32 bits wide. ! |
32 | * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
33 | */ |
34 | # define SHA_LONG unsigned int |
35 | |
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) |
41 | |
42 | typedef struct SHAstate_st { |
43 | SHA_LONG h0, h1, h2, h3, h4; |
44 | SHA_LONG Nl, Nh; |
45 | SHA_LONG data[SHA_LBLOCK]; |
46 | unsigned int num; |
47 | } SHA_CTX; |
48 | |
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); |
53 | # endif |
54 | |
55 | unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md); |
56 | |
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. */ |
61 | |
62 | typedef struct SHA256state_st { |
63 | SHA_LONG h[8]; |
64 | SHA_LONG Nl, Nh; |
65 | SHA_LONG data[SHA_LBLOCK]; |
66 | unsigned int num, md_len; |
67 | } SHA256_CTX; |
68 | |
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); |
79 | # endif |
80 | |
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); |
83 | |
84 | # define SHA224_DIGEST_LENGTH 28 |
85 | # define SHA256_DIGEST_LENGTH 32 |
86 | # define SHA384_DIGEST_LENGTH 48 |
87 | # define SHA512_DIGEST_LENGTH 64 |
88 | |
89 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
90 | /* |
91 | * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 |
92 | * being exactly 64-bit wide. See Implementation Notes in sha512.c |
93 | * for further details. |
94 | */ |
95 | /* |
96 | * SHA-512 treats input data as a |
97 | * contiguous array of 64 bit |
98 | * wide big-endian values. |
99 | */ |
100 | # define SHA512_CBLOCK (SHA_LBLOCK*8) |
101 | # if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) |
102 | # define SHA_LONG64 unsigned __int64 |
103 | # elif defined(__arch64__) |
104 | # define SHA_LONG64 unsigned long |
105 | # else |
106 | # define SHA_LONG64 unsigned long long |
107 | # endif |
108 | |
109 | typedef struct SHA512state_st { |
110 | SHA_LONG64 h[8]; |
111 | SHA_LONG64 Nl, Nh; |
112 | union { |
113 | SHA_LONG64 d[SHA_LBLOCK]; |
114 | unsigned char p[SHA512_CBLOCK]; |
115 | } u; |
116 | unsigned int num, md_len; |
117 | } SHA512_CTX; |
118 | |
119 | OSSL_DEPRECATEDIN_3_0 int SHA384_Init(SHA512_CTX *c); |
120 | OSSL_DEPRECATEDIN_3_0 int SHA384_Update(SHA512_CTX *c, |
121 | const void *data, size_t len); |
122 | OSSL_DEPRECATEDIN_3_0 int SHA384_Final(unsigned char *md, SHA512_CTX *c); |
123 | OSSL_DEPRECATEDIN_3_0 int SHA512_Init(SHA512_CTX *c); |
124 | OSSL_DEPRECATEDIN_3_0 int SHA512_Update(SHA512_CTX *c, |
125 | const void *data, size_t len); |
126 | OSSL_DEPRECATEDIN_3_0 int SHA512_Final(unsigned char *md, SHA512_CTX *c); |
127 | OSSL_DEPRECATEDIN_3_0 void SHA512_Transform(SHA512_CTX *c, |
128 | const unsigned char *data); |
129 | # endif |
130 | |
131 | unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md); |
132 | unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md); |
133 | |
134 | # ifdef __cplusplus |
135 | } |
136 | # endif |
137 | |
138 | #endif |
139 | |