sha256.c File Reference

#include <inttypes.h>

Include dependency graph for sha256.c:

Go to the source code of this file.

Macros
#define	Ch(x, y, z)   ((z) ^ ((x) & ((y) ^ (z))))
#define	Maj(x, y, z)   (((x) & (y)) ^ ((z) & ((x) ^ (y))))
#define	Rot32(x, s)   (((x) >> s) | ((x) << (32 - s)))
#define	SIGMA0(x)   (Rot32(x, 2) ^ Rot32(x, 13) ^ Rot32(x, 22))
#define	SIGMA1(x)   (Rot32(x, 6) ^ Rot32(x, 11) ^ Rot32(x, 25))
#define	sigma0(x)   (Rot32(x, 7) ^ Rot32(x, 18) ^ ((x) >> 3))
#define	sigma1(x)   (Rot32(x, 17) ^ Rot32(x, 19) ^ ((x) >> 10))

Functions
static void	SHA256Transform (uint32_t *H, const uint8_t *cp)
void	checksum_SHA256 (void *buf, uint64_t size)

Variables
static const uint32_t	SHA256_K [64]

Macro Definition Documentation

Ch

#define Ch	(		x,
			y,
			z
	)		((z) ^ ((x) & ((y) ^ (z))))

Definition at line 44 of file sha256.c.

Maj

#define Maj	(		x,
			y,
			z
	)		(((x) & (y)) ^ ((z) & ((x) ^ (y))))

Definition at line 45 of file sha256.c.

Rot32

#define Rot32	(		x,
			s
	)		(((x) >> s) | ((x) << (32 - s)))

Definition at line 46 of file sha256.c.

SIGMA0

#define SIGMA0

(

x

)

(Rot32(x, 2) ^ Rot32(x, 13) ^ Rot32(x, 22))

Definition at line 47 of file sha256.c.

sigma0

#define sigma0

(

x

)

(Rot32(x, 7) ^ Rot32(x, 18) ^ ((x) >> 3))

Definition at line 49 of file sha256.c.

SIGMA1

#define SIGMA1

(

x

)

(Rot32(x, 6) ^ Rot32(x, 11) ^ Rot32(x, 25))

Definition at line 48 of file sha256.c.

sigma1

#define sigma1

(

x

)

(Rot32(x, 17) ^ Rot32(x, 19) ^ ((x) >> 10))

Definition at line 50 of file sha256.c.

Function Documentation

checksum_SHA256()

void checksum_SHA256	(	void *	buf,
		uint64_t	size
	)

Definition at line 97 of file sha256.c.

Here is the call graph for this function:

SHA256Transform()

static void SHA256Transform ( uint32_t *  H, const uint8_t *  cp  )

static

Definition at line 72 of file sha256.c.

Here is the caller graph for this function:

Variable Documentation

SHA256_K

const uint32_t SHA256_K[64]

static

Initial value:

= {
        0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
        0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
        0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
        0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
        0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
        0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
        0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
        0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
        0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
        0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
        0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
        0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
        0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
        0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
        0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
        0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
}

Definition at line 52 of file sha256.c.