LXR linux/include/crypto/sha.h

   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
 111