9 #define SCRYPT_BUFFER_SIZE (131072 + 63)
11 extern "C" void scrypt_core(unsigned int *X, unsigned int *V);
13 /* cpu and memory intensive function to transform a 80 byte buffer into a 32 byte output
14 scratchpad size needs to be at least 63 + (128 * r * p) + (256 * r + 64) + (128 * r * N) bytes
15 r = 1, p = 1, N = 1024
18 uint256 scrypt_nosalt(const void* input, size_t inputlen, void *scratchpad)
23 V = (unsigned int *)(((uintptr_t)(scratchpad) + 63) & ~ (uintptr_t)(63));
25 PBKDF2_SHA256((const uint8_t*)input, inputlen, (const uint8_t*)input, inputlen, 1, (uint8_t *)X, 128);
27 PBKDF2_SHA256((const uint8_t*)input, inputlen, (uint8_t *)X, 128, 1, (uint8_t*)&result, 32);
32 uint256 scrypt_blockhash(const void* input)
34 unsigned char scratchpad[SCRYPT_BUFFER_SIZE];
35 return scrypt_nosalt(input, 80, scratchpad);