Bug #67707 [NEW]: IV not needed for ECB encryption mode. but it return an warning

From: nirajtiwary at gmail dot com Operating system: Windows 7 PHP version: 5.5.15 Package: mcrypt related Bug Type: Bug Bug description:IV not needed for ECB encryption mode. but it return an warning Description: ------------ Warning: mcrypt_generic_init(): Iv size incorrect; supplied length: 0, needed: 16 in D:\xampp\htdocs\AES_Encryption.php on line 141 but as specified in PHP User manual it says IV is ignored for ECB. http://php.net/manual/en/function.mcrypt-generic-init.php on Passing 16 Byte string it gives Fatal Exception. Fatal error: Uncaught exception 'Exception' with message 'The specified encryption mode does not use an initialization vector. You should pass an empty string, zero, FALSE, or NULL.' in D:\xampp\htdocs\AES_Encryption.php:107 Stack trace: #0 D:\xampp\htdocs\test1.php(11): AES_Encryption->__construct('123456789012345...', '123456789012345...', 'PKCS7', 'ecb') #1 {main} thrown in D:\xampp\htdocs\AES_Encryption.php on line 107 I have tried with String zero FALSE and NULL. None works. Test script: --------------- <?php include('padCrypt.php'); include('AES_Encryption.php'); $key = "12345678901234561234567890123456"; $iv = "1234567890123456"; $message = "The quick brown fox jumped over the lazy dog"; //$AES = new AES_Encryption($key, $iv); $AES = new AES_Encryption($key, '', 'PKCS7', "ecb" ); $encrypted = $AES->encrypt($message); $decrypted = $AES->decrypt($encrypted); $base64_encrypted = base64_encode($encrypted); echo $message; echo "<BR>"; echo $encrypted; echo "<BR>"; echo $decrypted; echo "<BR>"; Expected result: ---------------- The warning should not be shown. Actual result: -------------- Encryption is done but it should not raise a warning. -- Edit bug report at https://bugs.php.net/bug.php?id=67707&edit=1 --