Throw more helpful exception when already decrypted

2018-07-25 09:56:57 -05:00
parent a9fc3f9322
commit 413741fa84
2 changed files with 10 additions and 0 deletions
--- a/lib/openpgp_crypt_symmetric.php
+++ b/lib/openpgp_crypt_symmetric.php
@@ -146,6 +146,9 @@ class OpenPGP_Crypt_Symmetric {
  public static function getCipher($algo) {
    $cipher = NULL;
    switch($algo) {
+		case NULL:
+		case 0:
+			throw new Exception("Data is already unencrypted");
      case 2:
          $cipher = new Crypt_TripleDES(CRYPT_DES_MODE_CFB);
          $key_bytes = 24;