C++ (Cpp) HMAC_SHA256_80_init 예제들

예제 #1

파일: scrypt.c 프로젝트: FrBillyD/cpuminer

static void scrypt_1024_1_1_256_3way(const uint32_t *input,
	uint32_t *output, uint32_t *midstate, unsigned char *scratchpad, int N)
{
	uint32_t tstate[3 * 8], ostate[3 * 8];
	uint32_t X[3 * 32] __attribute__((aligned(64)));
	uint32_t *V;
	
	V = (uint32_t *)(((uintptr_t)(scratchpad) + 63) & ~ (uintptr_t)(63));

	memcpy(tstate +  0, midstate, 32);
	memcpy(tstate +  8, midstate, 32);
	memcpy(tstate + 16, midstate, 32);
	HMAC_SHA256_80_init(input +  0, tstate +  0, ostate +  0);
	HMAC_SHA256_80_init(input + 20, tstate +  8, ostate +  8);
	HMAC_SHA256_80_init(input + 40, tstate + 16, ostate + 16);
	PBKDF2_SHA256_80_128(tstate +  0, ostate +  0, input +  0, X +  0);
	PBKDF2_SHA256_80_128(tstate +  8, ostate +  8, input + 20, X + 32);
	PBKDF2_SHA256_80_128(tstate + 16, ostate + 16, input + 40, X + 64);

	scrypt_core_3way(X, V, N);

	PBKDF2_SHA256_128_32(tstate +  0, ostate +  0, X +  0, output +  0);
	PBKDF2_SHA256_128_32(tstate +  8, ostate +  8, X + 32, output +  8);
	PBKDF2_SHA256_128_32(tstate + 16, ostate + 16, X + 64, output + 16);
}

예제 #2

파일: scrypt.c 프로젝트: FrBillyD/cpuminer

static void scrypt_1024_1_1_256(const uint32_t *input, uint32_t *output,
	uint32_t *midstate, unsigned char *scratchpad, int N)
{
	uint32_t tstate[8], ostate[8];
	uint32_t X[32] __attribute__((aligned(128)));
	uint32_t *V;
	
	V = (uint32_t *)(((uintptr_t)(scratchpad) + 63) & ~ (uintptr_t)(63));

	memcpy(tstate, midstate, 32);
	HMAC_SHA256_80_init(input, tstate, ostate);
	PBKDF2_SHA256_80_128(tstate, ostate, input, X);

	scrypt_core(X, V, N);

	PBKDF2_SHA256_128_32(tstate, ostate, X, output);
}

예제 #3

파일: scrypt.c 프로젝트: maxeler/HybridMiner

static void SHA256_before(uint32_t *tstate, uint32_t *ostate, uint32_t *input, uint32_t* X){

	HMAC_SHA256_80_init(input, tstate, ostate);
	PBKDF2_SHA256_80_128(tstate, ostate, input, X);
}