Edit C:\Program Files\Java\jre1.8.0_121\lib\ext\com\sun\crypto\provider\AESKeyGenerator.class
?? 4 E & ' ( ) * + , - . / + 0 1 2 3 4 5 6 7 8 9 random Ljava/security/SecureRandom; keySize I <init> ()V Code LineNumberTable engineInit (Ljava/security/SecureRandom;)V J(Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V Exceptions (ILjava/security/SecureRandom;)V StackMapTable engineGenerateKey ()Ljavax/crypto/SecretKey; 5 SourceFile AESKeyGenerator.java 0java/security/InvalidAlgorithmParameterException /AES key generation does not take any parameters : ; <