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 Details

AESDecrypter

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

Throws:

ZipException

Method Details

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)