1/* SPDX-License-Identifier: GPL-2.0 */
  2/*
  3 * Common values for SHA algorithms
  4 */
  5
  6#ifndef _CRYPTO_SHA_H
  7#define _CRYPTO_SHA_H
  8
  9#include <linux/types.h>
 10
 11#define SHA1_DIGEST_SIZE        20
 12#define SHA1_BLOCK_SIZE         64
 13
 14#define SHA224_DIGEST_SIZE	28
 15#define SHA224_BLOCK_SIZE	64
 16
 17#define SHA256_DIGEST_SIZE      32
 18#define SHA256_BLOCK_SIZE       64
 19
 20#define SHA384_DIGEST_SIZE      48
 21#define SHA384_BLOCK_SIZE       128
 22
 23#define SHA512_DIGEST_SIZE      64
 24#define SHA512_BLOCK_SIZE       128
 25
 26#define SHA1_H0		0x67452301UL
 27#define SHA1_H1		0xefcdab89UL
 28#define SHA1_H2		0x98badcfeUL
 29#define SHA1_H3		0x10325476UL
 30#define SHA1_H4		0xc3d2e1f0UL
 31
 32#define SHA224_H0	0xc1059ed8UL
 33#define SHA224_H1	0x367cd507UL
 34#define SHA224_H2	0x3070dd17UL
 35#define SHA224_H3	0xf70e5939UL
 36#define SHA224_H4	0xffc00b31UL
 37#define SHA224_H5	0x68581511UL
 38#define SHA224_H6	0x64f98fa7UL
 39#define SHA224_H7	0xbefa4fa4UL
 40
 41#define SHA256_H0	0x6a09e667UL
 42#define SHA256_H1	0xbb67ae85UL
 43#define SHA256_H2	0x3c6ef372UL
 44#define SHA256_H3	0xa54ff53aUL
 45#define SHA256_H4	0x510e527fUL
 46#define SHA256_H5	0x9b05688cUL
 47#define SHA256_H6	0x1f83d9abUL
 48#define SHA256_H7	0x5be0cd19UL
 49
 50#define SHA384_H0	0xcbbb9d5dc1059ed8ULL
 51#define SHA384_H1	0x629a292a367cd507ULL
 52#define SHA384_H2	0x9159015a3070dd17ULL
 53#define SHA384_H3	0x152fecd8f70e5939ULL
 54#define SHA384_H4	0x67332667ffc00b31ULL
 55#define SHA384_H5	0x8eb44a8768581511ULL
 56#define SHA384_H6	0xdb0c2e0d64f98fa7ULL
 57#define SHA384_H7	0x47b5481dbefa4fa4ULL
 58
 59#define SHA512_H0	0x6a09e667f3bcc908ULL
 60#define SHA512_H1	0xbb67ae8584caa73bULL
 61#define SHA512_H2	0x3c6ef372fe94f82bULL
 62#define SHA512_H3	0xa54ff53a5f1d36f1ULL
 63#define SHA512_H4	0x510e527fade682d1ULL
 64#define SHA512_H5	0x9b05688c2b3e6c1fULL
 65#define SHA512_H6	0x1f83d9abfb41bd6bULL
 66#define SHA512_H7	0x5be0cd19137e2179ULL
 67
 68extern const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE];
 69
 70extern const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE];
 71
 72extern const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE];
 73
 74struct sha1_state {
 75	u32 state[SHA1_DIGEST_SIZE / 4];
 76	u64 count;
 77	u8 buffer[SHA1_BLOCK_SIZE];
 78};
 79
 80struct sha256_state {
 81	u32 state[SHA256_DIGEST_SIZE / 4];
 82	u64 count;
 83	u8 buf[SHA256_BLOCK_SIZE];
 84};
 85
 86struct sha512_state {
 87	u64 state[SHA512_DIGEST_SIZE / 8];
 88	u64 count[2];
 89	u8 buf[SHA512_BLOCK_SIZE];
 90};
 91
 92struct shash_desc;
 93
 94extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
 95			      unsigned int len);
 96
 97extern int crypto_sha1_finup(struct shash_desc *desc, const u8 *data,
 98			     unsigned int len, u8 *hash);
 99
100extern int crypto_sha256_update(struct shash_desc *desc, const u8 *data,
101			      unsigned int len);
102
103extern int crypto_sha256_finup(struct shash_desc *desc, const u8 *data,
104			       unsigned int len, u8 *hash);
105
106extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data,
107			      unsigned int len);
108
109extern int crypto_sha512_finup(struct shash_desc *desc, const u8 *data,
110			       unsigned int len, u8 *hash);
111#endif