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sha2.c File Reference
#include <sys/param.h>
#include "c.h"
#include "sha2.h"

Macros

#define SHA256_SHORT_BLOCK_LENGTH   (SHA256_BLOCK_LENGTH - 8)
 
#define SHA384_SHORT_BLOCK_LENGTH   (SHA384_BLOCK_LENGTH - 16)
 
#define SHA512_SHORT_BLOCK_LENGTH   (SHA512_BLOCK_LENGTH - 16)
 
#define REVERSE32(w, x)
 
#define REVERSE64(w, x)
 
#define ADDINC128(w, n)
 
#define R(b, x)   ((x) >> (b))
 
#define S32(b, x)   (((x) >> (b)) | ((x) << (32 - (b))))
 
#define S64(b, x)   (((x) >> (b)) | ((x) << (64 - (b))))
 
#define Ch(x, y, z)   (((x) & (y)) ^ ((~(x)) & (z)))
 
#define Maj(x, y, z)   (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
 
#define Sigma0_256(x)   (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))
 
#define Sigma1_256(x)   (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
 
#define sigma0_256(x)   (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))
 
#define sigma1_256(x)   (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
 
#define Sigma0_512(x)   (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))
 
#define Sigma1_512(x)   (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))
 
#define sigma0_512(x)   (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))
 
#define sigma1_512(x)   (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))
 

Functions

void SHA512_Last (SHA512_CTX *)
 
void SHA256_Transform (SHA256_CTX *, const uint8 *)
 
void SHA512_Transform (SHA512_CTX *, const uint8 *)
 
void SHA256_Init (SHA256_CTX *context)
 
void SHA256_Update (SHA256_CTX *context, const uint8 *data, size_t len)
 
void SHA256_Last (SHA256_CTX *context)
 
void SHA256_Final (uint8 digest[], SHA256_CTX *context)
 
void SHA512_Init (SHA512_CTX *context)
 
void SHA512_Update (SHA512_CTX *context, const uint8 *data, size_t len)
 
void SHA512_Final (uint8 digest[], SHA512_CTX *context)
 
void SHA384_Init (SHA384_CTX *context)
 
void SHA384_Update (SHA384_CTX *context, const uint8 *data, size_t len)
 
void SHA384_Final (uint8 digest[], SHA384_CTX *context)
 
void SHA224_Init (SHA224_CTX *context)
 
void SHA224_Update (SHA224_CTX *context, const uint8 *data, size_t len)
 
void SHA224_Final (uint8 digest[], SHA224_CTX *context)
 

Variables

const uint32 K256 [64]
 
const uint32 sha224_initial_hash_value [8]
 
const uint32 sha256_initial_hash_value [8]
 
const uint64 K512 [80]
 
const uint64 sha384_initial_hash_value [8]
 
const uint64 sha512_initial_hash_value [8]
 

Macro Definition Documentation

#define ADDINC128 (   w,
 
)
Value:
{ \
(w)[0] += (uint64)(n); \
if ((w)[0] < (n)) { \
(w)[1]++; \
} \
}
#define Ch (   x,
  y,
 
)    (((x) & (y)) ^ ((~(x)) & (z)))
#define Maj (   x,
  y,
 
)    (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
#define R (   b,
 
)    ((x) >> (b))
#define REVERSE32 (   w,
 
)
Value:
{ \
uint32 tmp = (w); \
tmp = (tmp >> 16) | (tmp << 16); \
(x) = ((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8); \
}
#define REVERSE64 (   w,
 
)
Value:
{ \
uint64 tmp = (w); \
tmp = (tmp >> 32) | (tmp << 32); \
tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
((tmp & 0x00ff00ff00ff00ffULL) << 8); \
(x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \
((tmp & 0x0000ffff0000ffffULL) << 16); \
}
#define S32 (   b,
 
)    (((x) >> (b)) | ((x) << (32 - (b))))
#define S64 (   b,
 
)    (((x) >> (b)) | ((x) << (64 - (b))))
#define SHA256_SHORT_BLOCK_LENGTH   (SHA256_BLOCK_LENGTH - 8)
#define SHA384_SHORT_BLOCK_LENGTH   (SHA384_BLOCK_LENGTH - 16)
#define SHA512_SHORT_BLOCK_LENGTH   (SHA512_BLOCK_LENGTH - 16)
#define Sigma0_256 (   x)    (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))
#define sigma0_256 (   x)    (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))
#define Sigma0_512 (   x)    (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))
#define sigma0_512 (   x)    (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))
#define Sigma1_256 (   x)    (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
#define sigma1_256 (   x)    (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
#define Sigma1_512 (   x)    (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))
#define sigma1_512 (   x)    (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))

Function Documentation

void SHA224_Final ( uint8  digest[],
SHA224_CTX context 
)
void SHA224_Init ( SHA224_CTX context)
void SHA224_Update ( SHA224_CTX context,
const uint8 data,
size_t  len 
)
void SHA256_Final ( uint8  digest[],
SHA256_CTX context 
)
void SHA256_Init ( SHA256_CTX context)
void SHA256_Last ( SHA256_CTX context)
void SHA256_Transform ( SHA256_CTX context,
const uint8 data 
)
void SHA256_Update ( SHA256_CTX context,
const uint8 data,
size_t  len 
)
void SHA384_Final ( uint8  digest[],
SHA384_CTX context 
)
void SHA384_Init ( SHA384_CTX context)
void SHA384_Update ( SHA384_CTX context,
const uint8 data,
size_t  len 
)
void SHA512_Final ( uint8  digest[],
SHA512_CTX context 
)
void SHA512_Init ( SHA512_CTX context)
void SHA512_Last ( SHA512_CTX context)
void SHA512_Transform ( SHA512_CTX context,
const uint8 data 
)
void SHA512_Update ( SHA512_CTX context,
const uint8 data,
size_t  len 
)

Variable Documentation

const uint32 K256[64]
Initial value:
= {
0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL,
0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL,
0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL,
0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL,
0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL,
0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL,
0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL,
0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL,
0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL,
0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
}
const uint64 K512[80]
const uint32 sha224_initial_hash_value[8]
Initial value:
= {
0xc1059ed8UL,
0x367cd507UL,
0x3070dd17UL,
0xf70e5939UL,
0xffc00b31UL,
0x68581511UL,
0x64f98fa7UL,
0xbefa4fa4UL
}
const uint32 sha256_initial_hash_value[8]
Initial value:
= {
0x6a09e667UL,
0xbb67ae85UL,
0x3c6ef372UL,
0xa54ff53aUL,
0x510e527fUL,
0x9b05688cUL,
0x1f83d9abUL,
0x5be0cd19UL
}
const uint64 sha384_initial_hash_value[8]
Initial value:
= {
0xcbbb9d5dc1059ed8ULL,
0x629a292a367cd507ULL,
0x9159015a3070dd17ULL,
0x152fecd8f70e5939ULL,
0x67332667ffc00b31ULL,
0x8eb44a8768581511ULL,
0xdb0c2e0d64f98fa7ULL,
0x47b5481dbefa4fa4ULL
}
const uint64 sha512_initial_hash_value[8]
Initial value:
= {
0x6a09e667f3bcc908ULL,
0xbb67ae8584caa73bULL,
0x3c6ef372fe94f82bULL,
0xa54ff53a5f1d36f1ULL,
0x510e527fade682d1ULL,
0x9b05688c2b3e6c1fULL,
0x1f83d9abfb41bd6bULL,
0x5be0cd19137e2179ULL
}