Package net.lingala.zip4j.crypto

Class AESDecrypter

java.lang.Object

net.lingala.zip4j.crypto.AESDecrypter

All Implemented Interfaces:

Decrypter

public class AESDecrypter
extends Object
implements Decrypter

AES Decrypter supports AE-1 and AE-2 decryption for AES-CTR with 128, 192, or 256 Key Strength

Constructor Summary

Constructors

Constructor	Description
AESDecrypter(AESExtraDataRecord aesExtraDataRecord, char[] password, byte[] salt, byte[] passwordVerifier, boolean useUtf8ForPassword)

Method Summary

Modifier and Type	Method	Description
int	decryptData(byte[] buff, int start, int len)
byte[]	getCalculatedAuthenticationBytes(int numberOfBytesPushedBack)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AESDecrypter

public AESDecrypter(AESExtraDataRecord aesExtraDataRecord,
                    char[] password,
                    byte[] salt,
                    byte[] passwordVerifier,
                    boolean useUtf8ForPassword)
             throws ZipException

Throws:

ZipException

Method Detail

decryptData

public int decryptData(byte[] buff,
                       int start,
                       int len)
                throws ZipException

Specified by:

decryptData in interface Decrypter

Throws:

ZipException

getCalculatedAuthenticationBytes

public byte[] getCalculatedAuthenticationBytes(int numberOfBytesPushedBack)