org.bouncycastle.crypto.tls

Class TlsAEADCipher

java.lang.Object

org.bouncycastle.crypto.tls.TlsAEADCipher

All Implemented Interfaces:

TlsCipher

public class TlsAEADCipher
extends java.lang.Object
implements TlsCipher

Field Summary

Fields

Modifier and Type	Field and Description
protected TlsContext	context
protected AEADBlockCipher	decryptCipher
protected byte[]	decryptImplicitNonce
protected AEADBlockCipher	encryptCipher
protected byte[]	encryptImplicitNonce
protected int	macSize
protected int	nonce_explicit_length

Constructor Summary

Constructors

Constructor and Description
TlsAEADCipher(TlsContext context, AEADBlockCipher clientWriteCipher, AEADBlockCipher serverWriteCipher, int cipherKeySize, int macSize)

Method Summary

Modifier and Type	Method and Description
byte[]	decodeCiphertext(long seqNo, short type, byte[] ciphertext, int offset, int len)
byte[]	encodePlaintext(long seqNo, short type, byte[] plaintext, int offset, int len)
protected byte[]	getAdditionalData(long seqNo, short type, int len)
int	getPlaintextLimit(int ciphertextLimit)

Methods inherited from class java.lang.Object

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

Field Detail

context

protected TlsContext context

macSize

protected int macSize

nonce_explicit_length

protected int nonce_explicit_length

encryptCipher

protected AEADBlockCipher encryptCipher

decryptCipher

protected AEADBlockCipher decryptCipher

encryptImplicitNonce

protected byte[] encryptImplicitNonce

decryptImplicitNonce

protected byte[] decryptImplicitNonce

Constructor Detail

TlsAEADCipher

public TlsAEADCipher(TlsContext context,
                     AEADBlockCipher clientWriteCipher,
                     AEADBlockCipher serverWriteCipher,
                     int cipherKeySize,
                     int macSize)
              throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getPlaintextLimit

public int getPlaintextLimit(int ciphertextLimit)

Specified by:

getPlaintextLimit in interface TlsCipher

encodePlaintext

public byte[] encodePlaintext(long seqNo,
                              short type,
                              byte[] plaintext,
                              int offset,
                              int len)
                       throws java.io.IOException

Specified by:

encodePlaintext in interface TlsCipher

Throws:

java.io.IOException

decodeCiphertext

public byte[] decodeCiphertext(long seqNo,
                               short type,
                               byte[] ciphertext,
                               int offset,
                               int len)
                        throws java.io.IOException

Specified by:

decodeCiphertext in interface TlsCipher

Throws:

java.io.IOException

getAdditionalData

protected byte[] getAdditionalData(long seqNo,
                                   short type,
                                   int len)
                            throws java.io.IOException

Throws:

java.io.IOException