WTF

wtf.c

#define SALT_LENGTH 16

int generateKeyFromPassword(char* passphrase, struct keyItem* item)
{
  int i; 
  unsigned char* salt = gcry_random_bytes(SALT_LENGTH, GCRY_STRONG_RANDOM);
  char* keyBuffer;
  size_t keySize = 32;
  gpg_error_t err; 
  unsigned long iterations = 10000;

  err = gcry_kdf_derive(passphrase, strlen(passphrase), 
			GCRY_KDF_PBKDF2, GCRY_MD_SHA256, 
	                salt, SALT_LENGTH, 
			iterations, keySize, keyBuffer);
  if (err) {
    printf("Error generating key from password. Error no: %d and message: %s\n ", 
	   err, 
	   gcry_strerror(err));
    return 1;
  }

  printf("Key: \n");        
  printf("%s\n", keyBuffer);
  item->key = keyBuffer;
  item->salt = salt;
  item->name = (unsigned char)"masterKey";

  return 0;
}