/usr/include/nettle/sha.h is in nettle-dev 2.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | /* sha.h
*
* The sha1 and sha256 hash functions.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2001 Niels Möller
*
* The nettle library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The nettle library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the nettle library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#ifndef NETTLE_SHA_H_INCLUDED
#define NETTLE_SHA_H_INCLUDED
#include "nettle-types.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Name mangling */
#define sha1_init nettle_sha1_init
#define sha1_update nettle_sha1_update
#define sha1_digest nettle_sha1_digest
#define sha224_init nettle_sha224_init
#define sha224_digest nettle_sha224_digest
#define sha256_init nettle_sha256_init
#define sha256_update nettle_sha256_update
#define sha256_digest nettle_sha256_digest
#define sha384_init nettle_sha384_init
#define sha384_digest nettle_sha384_digest
#define sha512_init nettle_sha512_init
#define sha512_update nettle_sha512_update
#define sha512_digest nettle_sha512_digest
/* SHA1 */
#define SHA1_DIGEST_SIZE 20
#define SHA1_DATA_SIZE 64
/* Digest is kept internally as 5 32-bit words. */
#define _SHA1_DIGEST_LENGTH 5
struct sha1_ctx
{
uint32_t state[_SHA1_DIGEST_LENGTH]; /* State variables */
uint32_t count_low, count_high; /* 64-bit block count */
uint8_t block[SHA1_DATA_SIZE]; /* SHA1 data buffer */
unsigned int index; /* index into buffer */
};
void
sha1_init(struct sha1_ctx *ctx);
void
sha1_update(struct sha1_ctx *ctx,
unsigned length,
const uint8_t *data);
void
sha1_digest(struct sha1_ctx *ctx,
unsigned length,
uint8_t *digest);
/* Internal compression function. STATE points to 5 uint32_t words,
and DATA points to 64 bytes of input data, possibly unaligned. */
void
_nettle_sha1_compress(uint32_t *state, const uint8_t *data);
/* SHA256 */
#define SHA256_DIGEST_SIZE 32
#define SHA256_DATA_SIZE 64
/* Digest is kept internally as 8 32-bit words. */
#define _SHA256_DIGEST_LENGTH 8
struct sha256_ctx
{
uint32_t state[_SHA256_DIGEST_LENGTH]; /* State variables */
uint32_t count_low, count_high; /* 64-bit block count */
uint8_t block[SHA256_DATA_SIZE]; /* SHA256 data buffer */
unsigned int index; /* index into buffer */
};
void
sha256_init(struct sha256_ctx *ctx);
void
sha256_update(struct sha256_ctx *ctx,
unsigned length,
const uint8_t *data);
void
sha256_digest(struct sha256_ctx *ctx,
unsigned length,
uint8_t *digest);
/* Internal compression function. STATE points to 8 uint32_t words,
DATA points to 64 bytes of input data, possibly unaligned, and K
points to the table of constants. */
void
_nettle_sha256_compress(uint32_t *state, const uint8_t *data, const uint32_t *k);
/* SHA224, a truncated SHA256 with different initial state. */
#define SHA224_DIGEST_SIZE 28
#define SHA224_DATA_SIZE SHA256_DATA_SIZE
#define sha224_ctx sha256_ctx
void
sha224_init(struct sha256_ctx *ctx);
#define sha224_update nettle_sha256_update
void
sha224_digest(struct sha256_ctx *ctx,
unsigned length,
uint8_t *digest);
/* SHA512 */
#define SHA512_DIGEST_SIZE 64
#define SHA512_DATA_SIZE 128
/* Digest is kept internally as 8 64-bit words. */
#define _SHA512_DIGEST_LENGTH 8
struct sha512_ctx
{
uint64_t state[_SHA512_DIGEST_LENGTH]; /* State variables */
uint64_t count_low, count_high; /* 128-bit block count */
uint8_t block[SHA512_DATA_SIZE]; /* SHA512 data buffer */
unsigned int index; /* index into buffer */
};
void
sha512_init(struct sha512_ctx *ctx);
void
sha512_update(struct sha512_ctx *ctx,
unsigned length,
const uint8_t *data);
void
sha512_digest(struct sha512_ctx *ctx,
unsigned length,
uint8_t *digest);
/* Internal compression function. STATE points to 8 uint64_t words,
DATA points to 128 bytes of input data, possibly unaligned, and K
points to the table of constants. */
void
_nettle_sha512_compress(uint64_t *state, const uint8_t *data, const uint64_t *k);
/* SHA384, a truncated SHA512 with different initial state. */
#define SHA384_DIGEST_SIZE 48
#define SHA384_DATA_SIZE SHA512_DATA_SIZE
#define sha384_ctx sha512_ctx
void
sha384_init(struct sha512_ctx *ctx);
#define sha384_update nettle_sha512_update
void
sha384_digest(struct sha512_ctx *ctx,
unsigned length,
uint8_t *digest);
#ifdef __cplusplus
}
#endif
#endif /* NETTLE_SHA_H_INCLUDED */
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