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
  67 extern const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE];
  68
  69 extern const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE];
  70
  71 extern const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE];
  72
  73 struct sha1_state {
  74         u32 state[SHA1_DIGEST_SIZE / 4];
  75         u64 count;
  76         u8 buffer[SHA1_BLOCK_SIZE];
  77 };
  78
  79 struct sha256_state {
  80         u32 state[SHA256_DIGEST_SIZE / 4];
  81         u64 count;
  82         u8 buf[SHA256_BLOCK_SIZE];
  83 };
  84
  85 struct sha512_state {
  86         u64 state[SHA512_DIGEST_SIZE / 8];
  87         u64 count[2];
  88         u8 buf[SHA512_BLOCK_SIZE];
  89 };
  90
  91 struct shash_desc;
  92
  93 extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
  94                               unsigned int len);
  95
  96 extern int crypto_sha1_finup(struct shash_desc *desc, const u8 *data,
  97                              unsigned int len, u8 *hash);
  98
  99 extern int crypto_sha256_update(struct shash_desc *desc, const u8 *data,
 100                               unsigned int len);
 101
 102 extern int crypto_sha256_finup(struct shash_desc *desc, const u8 *data,
 103                                unsigned int len, u8 *hash);
 104
 105 extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data,
 106                               unsigned int len);
 107
 108 extern int crypto_sha512_finup(struct shash_desc *desc, const u8 *data,
 109                                unsigned int len, u8 *hash);
 110 #endif