Bouncy Castle Cryptography Library 1.49

org.bouncycastle.crypto.tls
Class TlsAEADCipher

java.lang.Object
  extended by org.bouncycastle.crypto.tls.TlsAEADCipher
All Implemented Interfaces:
TlsCipher

public class TlsAEADCipher
extends java.lang.Object
implements TlsCipher


Field Summary
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
TlsAEADCipher(TlsContext context, AEADBlockCipher clientWriteCipher, AEADBlockCipher serverWriteCipher, int cipherKeySize, int macSize)
           
 
Method Summary
 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

Bouncy Castle Cryptography Library 1.49