Topic: [ANN] AIDEN | 1st to use sCrypt-OG (GPU Optimized) [v0.10.2.2 Released 7/10/15] - page 138. (Read 235418 times)

void
scrypt(const uint8_t *password, size_t password_len, const uint8_t *salt, size_t salt_len, uint8_t Nfactor, uint8_t rfactor, uint8_t pfactor, uint8_t *out, size_t bytes) {
	scrypt_aligned_alloc YX, V;
	uint8_t *X, *Y;
	uint32_t N, r, p, chunk_bytes, i;
	scrypt_aligned_alloc YX, V;
	uint8_t *X, *Y;
	uint32_t N, r, p, chunk_bytes, i;

	if (Nfactor > scrypt_maxN)
		scrypt_fatal_error("scrypt: N out of range");
	if (rfactor > scrypt_maxr)
		scrypt_fatal_error("scrypt: r out of range");
	if (pfactor > scrypt_maxp)
		scrypt_fatal_error("scrypt: p out of range");

	N = (1 << (Nfactor + 1));
	r = (1 << rfactor);
	p = (1 << pfactor);

	chunk_bytes = SCRYPT_BLOCK_BYTES * r * 2;
	V = scrypt_alloc((uint64_t)N * chunk_bytes);
	YX = scrypt_alloc((p + 1) * chunk_bytes);

	/* 1: X = PBKDF2(password, salt) */
	Y = YX.ptr;
	X = Y + chunk_bytes;
	scrypt_pbkdf2(password, password_len, salt, salt_len, 1, X, chunk_bytes * p);

	/* 2: X = ROMix(X) */
	for (i = 0; i < p; i++)
		scrypt_ROMix((scrypt_mix_word_t *)(X + (chunk_bytes * i)), (scrypt_mix_word_t *)Y, (scrypt_mix_word_t *)V.ptr, N, r);

	/* 3: Out = PBKDF2(password, X) */
	scrypt_pbkdf2(password, password_len, X, chunk_bytes * p, 1, out, bytes);

	scrypt_ensure_zero(YX.ptr, (p + 1) * chunk_bytes);

	scrypt_free(&V);
	scrypt_free(&YX);
}

#include 

int main() {
    unsigned int n, nfactor;

    for(nfactor = 0; nfactor < 24; nfactor++) {
        n = (1 << (nfactor + 1));
        printf("n = %u, nfactor = %u\n", n, nfactor);
    }

    return(0);
}