9 #define SCRYPT_BUFFER_SIZE (131072 + 63)
11 extern "C" void scrypt_core(uint32_t *X, uint32_t *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_blockhash(const uint8_t* input)
20 uint8_t scratchpad[SCRYPT_BUFFER_SIZE];
24 uint32_t *V = (uint32_t *)(((uintptr_t)(scratchpad) + 63) & ~ (uintptr_t)(63));
26 PBKDF2_SHA256(input, 80, input, 80, 1, (uint8_t *)X, 128);
28 PBKDF2_SHA256(input, 80, (uint8_t *)X, 128, 1, (uint8_t*)&result, 32);