Êþº¾ 4 Ä com/app/reg/AesUtils java/lang/Object <init> ()V Code
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LineNumberTable LocalVariableTable this Lcom/app/reg/AesUtils; encrypt ((Ljava/lang/String;Ljava/lang/String;)[B AES
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javax/crypto/KeyGenerator getInstance /(Ljava/lang/String;)Ljavax/crypto/KeyGenerator; java/security/SecureRandom
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java/lang/String getBytes ()[B
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! " ([B)V
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$ % & init (ILjava/security/SecureRandom;)V
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( ) * generateKey ()Ljavax/crypto/SecretKey; , . - javax/crypto/SecretKey /
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getEncoded 1 javax/crypto/spec/SecretKeySpec
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0 3 4 ([BLjava/lang/String;)V
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6 8 7 javax/crypto/Cipher 9 )(Ljava/lang/String;)Ljavax/crypto/Cipher; ; utf-8
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= > (Ljava/lang/String;)[B
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6 @ % A (ILjava/security/Key;)V
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6 C D E doFinal ([B)[B
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G I H &java/security/NoSuchAlgorithmException J printStackTrace
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L I M #javax/crypto/NoSuchPaddingException
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O I P !java/security/InvalidKeyException
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R I S $java/io/UnsupportedEncodingException
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U I V &javax/crypto/IllegalBlockSizeException
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X I Y javax/crypto/BadPaddingException content Ljava/lang/String; password kgen Ljavax/crypto/KeyGenerator; secretKey Ljavax/crypto/SecretKey; enCodeFormat [B key !Ljavax/crypto/spec/SecretKeySpec; cipher Ljavax/crypto/Cipher; byteContent result e (Ljava/security/NoSuchAlgorithmException; %Ljavax/crypto/NoSuchPaddingException; #Ljava/security/InvalidKeyException; &Ljava/io/UnsupportedEncodingException; (Ljavax/crypto/IllegalBlockSizeException; "Ljavax/crypto/BadPaddingException; StackMapTable decrypt ([BLjava/lang/String;)[B parseByte2HexStr ([B)Ljava/lang/String; v java/lang/StringBuffer
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u
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y { z java/lang/Integer | } toHexString (I)Ljava/lang/String;
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length ()I java/lang/StringBuilder
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valueOf (C)Ljava/lang/String;
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(Ljava/lang/String;)V
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append -(Ljava/lang/String;)Ljava/lang/StringBuilder;
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toString ()Ljava/lang/String;
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toUpperCase
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u ,(Ljava/lang/String;)Ljava/lang/StringBuffer;
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u buf sb Ljava/lang/StringBuffer; i I hex parseHexStr2Byte
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¢ £ ¤ substring (II)Ljava/lang/String;
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y ¦ § ¨ parseInt (Ljava/lang/String;I)I hexStr high low b encrypt2 ¯ AES/ECB/NoPadding
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aesEncrypt 8(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
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³
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µ s t data_str pwd encryptResult encryptResultStr
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aesDecrypt
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¼ >
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¾ q r
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! decryptFrom decryptResult
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SourceFile AesUtils.java ! / *· ±
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