org.bouncycastle.tls.crypto.TlsNullNullCipher Maven / Gradle / Ivy
package org.bouncycastle.tls.crypto;
import java.io.IOException;
import org.bouncycastle.util.Arrays;
/**
* The cipher for TLS_NULL_WITH_NULL_NULL.
*/
public class TlsNullNullCipher
implements TlsCipher
{
public int getPlaintextLimit(int ciphertextLimit)
{
return ciphertextLimit;
}
public byte[] encodePlaintext(long seqNo, short type, byte[] plaintext, int offset, int len)
throws IOException
{
return Arrays.copyOfRange(plaintext, offset, offset + len);
}
public byte[] decodeCiphertext(long seqNo, short type, byte[] ciphertext, int offset, int len)
throws IOException
{
return Arrays.copyOfRange(ciphertext, offset, offset + len);
}
}