mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-30 02:42:59 +00:00
39 lines
774 B
C
39 lines
774 B
C
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <openssl/evp.h>
|
|
|
|
void hextorb(uint8_t* hex, uint8_t* rb)
|
|
{
|
|
while(sscanf(hex, "%2x", rb) == 1)
|
|
{
|
|
hex += 2;
|
|
rb += 1;
|
|
}
|
|
*rb = '\0';
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
uint8_t k_user[2048];
|
|
uint8_t salt[2048];
|
|
uint8_t key[4096];
|
|
|
|
uint32_t key_length = atoi(argv[1]);
|
|
uint32_t iteration_count = atoi(argv[2]);
|
|
|
|
hextorb(argv[3], salt);
|
|
uint32_t salt_length = strlen(argv[3]) / 2;
|
|
|
|
fgets(k_user, 2048, stdin);
|
|
uint32_t k_user_length = strlen(k_user);
|
|
if(k_user[k_user_length - 1] == '\n') {
|
|
k_user[k_user_length - 1] = '\0';
|
|
}
|
|
|
|
PKCS5_PBKDF2_HMAC(k_user, k_user_length, salt, salt_length, iteration_count, EVP_sha512(), key_length, key);
|
|
fwrite(key, 1, key_length, stdout);
|
|
|
|
return 0;
|
|
}
|