sha2.c File Reference

#include "miner.h"
#include "algo-gate-api.h"
#include <string.h>
#include <inttypes.h>

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Macros
#define	Ch(x, y, z)   ((x & (y ^ z)) ^ z)
#define	Maj(x, y, z)   ((x & (y | z)) | (y & z))
#define	ROTR(x, n)   ((x >> n) | (x << (32 - n)))
#define	S0(x)   (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define	S1(x)   (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define	s0(x)   (ROTR(x, 7) ^ ROTR(x, 18) ^ (x >> 3))
#define	s1(x)   (ROTR(x, 17) ^ ROTR(x, 19) ^ (x >> 10))
#define	RND(a, b, c, d, e, f, g, h, k)
#define	RNDr(S, W, i)

Functions
void	sha256_init (uint32_t *state)
void	sha256_transform (uint32_t *state, const uint32_t *block, int swap)
void	sha256d (unsigned char *hash, const unsigned char *data, int len)
int	scanhash_sha256d (int thr_id, struct work *work, uint32_t max_nonce, uint64_t *hashes_done)
bool	register_sha256d_algo (algo_gate_t *gate)

Macro Definition Documentation

Ch

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

Definition at line 51 of file sha2.c.

Maj

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

Definition at line 52 of file sha2.c.

RND

#define RND	(		a,
			b,
			c,
			d,
			e,
			f,
			g,
			h,
			k
	)

Value:

do { \
                t0 = h + S1(e) + Ch(e, f, g) + k; \
                t1 = S0(a) + Maj(a, b, c); \
                d += t0; \
                h  = t0 + t1; \
        } while (0)

Definition at line 60 of file sha2.c.

RNDr

#define RNDr	(		S,
			W,
			i
	)

Value:

RND(S[(64 - i) % 8], S[(65 - i) % 8], \
            S[(66 - i) % 8], S[(67 - i) % 8], \
            S[(68 - i) % 8], S[(69 - i) % 8], \
            S[(70 - i) % 8], S[(71 - i) % 8], \
            W[i] + sha256_k[i])

Definition at line 69 of file sha2.c.

ROTR

#define ROTR	(		x,
			n
	)		((x >> n) | (x << (32 - n)))

Definition at line 53 of file sha2.c.

S0

#define S0

(

x

)

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

Definition at line 54 of file sha2.c.

s0

#define s0

(

x

)

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

Definition at line 56 of file sha2.c.

S1

#define S1

(

x

)

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

Definition at line 55 of file sha2.c.

s1

#define s1

(

x

)

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

Definition at line 57 of file sha2.c.

Function Documentation

register_sha256d_algo()

bool register_sha256d_algo

(

algo_gate_t *

gate

)

Definition at line 640 of file sha2.c.

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scanhash_sha256d()

int scanhash_sha256d	(	int	thr_id,
		struct work *	work,
		uint32_t	max_nonce,
		uint64_t *	hashes_done
	)

Definition at line 590 of file sha2.c.

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sha256_init()

void sha256_init

(

uint32_t *

state

)

Definition at line 45 of file sha2.c.

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sha256_transform()

void sha256_transform	(	uint32_t *	state,
		const uint32_t *	block,
		int	swap
	)

Definition at line 82 of file sha2.c.

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sha256d()

void sha256d	(	unsigned char *	hash,
		const unsigned char *	data,
		int	len
	)

Definition at line 199 of file sha2.c.

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