cryptix.provider.elgamal

Class SHA1_ElGamal_PKCS1Signature

java.lang.Object

java.security.SignatureSpi

java.security.Signature

cryptix.provider.elgamal.Any_ElGamal_PKCS1Signature

cryptix.provider.elgamal.SHA1_ElGamal_PKCS1Signature

public class SHA1_ElGamal_PKCS1Signature
extends Any_ElGamal_PKCS1Signature

A class to digest a message with SHA-1, and sign/verify the resulting hash using the ElGamal digital signature scheme, with PKCS#1 block padding.

Copyright © 1997 Systemics Ltd on behalf of the Cryptix Development Team.
All rights reserved.

$Revision: 1.2 $

Since:

Cryptix 2.2.2

Author:

Raif S. Naffah, David Hopwood

Field Summary

Fields inherited from class java.security.Signature

SIGN, state, UNINITIALIZED, VERIFY

Fields inherited from class java.security.SignatureSpi

appRandom

Constructor Summary

Constructors

Constructor and Description
SHA1_ElGamal_PKCS1Signature()

Method Summary

Modifier and Type	Method and Description
protected byte[]	getAlgorithmEncoding() Returns the ASN.1 bytes of the AlgorithmIdentifier token described in engineSign() method above.

Methods inherited from class cryptix.provider.elgamal.Any_ElGamal_PKCS1Signature

engineGetParameter, engineInitSign, engineInitVerify, engineSetParameter, engineSign, engineUpdate, engineUpdate, engineVerify

Methods inherited from class java.security.Signature

clone, getAlgorithm, getInstance, getInstance, getInstance, getParameter, getParameters, getProvider, initSign, initSign, initVerify, initVerify, setParameter, setParameter, sign, sign, toString, update, update, update, update, verify, verify

Methods inherited from class java.security.SignatureSpi

engineGetParameters, engineInitSign, engineSetParameter, engineSign, engineUpdate, engineVerify

Methods inherited from class java.lang.Object

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

Constructor Detail

SHA1_ElGamal_PKCS1Signature

public SHA1_ElGamal_PKCS1Signature()

Method Detail

getAlgorithmEncoding

protected byte[] getAlgorithmEncoding()

Description copied from class: Any_ElGamal_PKCS1Signature

Returns the ASN.1 bytes of the AlgorithmIdentifier token described in engineSign() method above.

Specified by:

getAlgorithmEncoding in class Any_ElGamal_PKCS1Signature

Returns:

the AlgorithmIdentifier bytes.