org.apache.sshd.common.signature
Class AbstractSignature

java.lang.Object
  org.apache.sshd.common.signature.AbstractSignature

All Implemented Interfaces:

Signature

Direct Known Subclasses:

SignatureDSA, SignatureRSA

public abstract class AbstractSignature
extends java.lang.Object
implements Signature

TODO Add javadoc

Author:

Apache MINA SSHD Project

Field Summary

protected java.lang.String	algorithm
protected java.security.Signature	signature

Constructor Summary

protected

AbstractSignature(java.lang.String algorithm)

Method Summary

protected byte[]	extractSig(byte[] sig)
void	init(java.security.PublicKey pubkey, java.security.PrivateKey prvkey) Initialize this signature with the given public key and private key.
void	update(byte[] foo, int off, int len) Update the computed signature with the given data

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.sshd.common.Signature

sign, verify

Field Detail

signature

protected java.security.Signature signature

algorithm

protected java.lang.String algorithm

Constructor Detail

AbstractSignature

protected AbstractSignature(java.lang.String algorithm)

Method Detail

init

public void init(java.security.PublicKey pubkey,
                 java.security.PrivateKey prvkey)
          throws java.lang.Exception

Description copied from interface: Signature

Initialize this signature with the given public key and private key. If the private key is null, only signature verification can be performed.

Specified by:

init in interface Signature

Throws:

java.lang.Exception

update

public void update(byte[] foo,
                   int off,
                   int len)
            throws java.lang.Exception

Description copied from interface: Signature

Update the computed signature with the given data

Specified by:

update in interface Signature

Throws:

java.lang.Exception

extractSig

protected byte[] extractSig(byte[] sig)