1
1
mirror of https://github.com/urbit/shrub.git synced 2024-12-29 07:03:37 +03:00
shrub/pkg/urcrypt/scrypt/crypto_scrypt-hash.c

45 lines
945 B
C

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdint.h>
#include "b64.h"
#include "libscrypt.h"
int libscrypt_hash(char *dst, const char *passphrase, uint32_t N, uint8_t r,
uint8_t p)
{
int retval;
uint8_t salt[SCRYPT_SALT_LEN];
uint8_t hashbuf[SCRYPT_HASH_LEN];
char outbuf[256];
char saltbuf[256];
if(libscrypt_salt_gen(salt, SCRYPT_SALT_LEN) == -1)
{
return 0;
}
retval = libscrypt_scrypt((const uint8_t*)passphrase, strlen(passphrase),
(uint8_t*)salt, SCRYPT_SALT_LEN, N, r, p, hashbuf, sizeof(hashbuf));
if(retval == -1)
return 0;
retval = libscrypt_b64_encode((unsigned char*)hashbuf, sizeof(hashbuf),
outbuf, sizeof(outbuf));
if(retval == -1)
return 0;
retval = libscrypt_b64_encode((unsigned char *)salt, sizeof(salt),
saltbuf, sizeof(saltbuf));
if(retval == -1)
return 0;
retval = libscrypt_mcf(N, r, p, saltbuf, outbuf, dst);
if(retval != 1)
return 0;
return 1;
}