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