* Crypt file using Sodium and returns decrypt key.
* @param $fp_src file path to the file to crypt.
* @param $fp_dst file path to the file to write crypted file (must not be the same).
- * @return decrypt key composed of the key and the iv separated by a point ('.')
+ * @return key used to encrypt the file
*/
function jirafeau_encrypt_file($fp_src, $fp_dst)
{
* Decrypt file using Sodium.
* @param $fp_src file path to the file to decrypt.
* @param $fp_dst file path to the file to write decrypted file (must not be the same).
- * @param $k string composed of the key and the iv separated by a point ('.')
- * @return key used to decrypt. a string of length 0 is returned if failed.
+ * @param $k decryption key
+ * @return true if decryption succeeded, false otherwise
*/
function jirafeau_decrypt_file($fp_src, $fp_dst, $k)
{
* @param $fp_src file path to the file to decrypt.
* @param $fp_dst file path to the file to write decrypted file (could be the same).
* @param $k string composed of the key and the iv separated by a point ('.')
- * @return key used to decrypt. a string of length 0 is returned if failed.
+ * @return true if decryption succeeded, false otherwise
*/
function jirafeau_decrypt_file_legacy($fp_src, $fp_dst, $k)
{
$crypt_key = $k;
$hash_key = md5($crypt_key);
$iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
+ /* Init module. */
+ mcrypt_generic_init($m, $hash_key, $iv);
/* Decrypt file. */
$r = fopen($fp_src, 'r');
$w = fopen($fp_dst, 'c');