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/*
* ====================================================================
* Project: openMDX/Security, http://www.openmdx.org/
* Description: Key Connection
* Owner: the original authors.
* ====================================================================
*
* This software is published under the BSD license as listed below.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the openMDX team nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ------------------
*
* This product includes software developed by other organizations as
* listed in the NOTICE file.
*/
package org.openmdx.resource.pki.keystore;
import java.security.GeneralSecurityException;
import java.security.Signature;
import java.security.SignatureException;
import org.openmdx.resource.pki.cci.SignatureProvider;
/**
* Key Connection
*/
public class SignatureConnection
extends KeyStoreConnection
implements SignatureProvider
{
/* (non-Javadoc)
* @see org.openmdx.resource.pki.cci.SignatureProvider#getSigner()
*/
@Override
public Signer getSigner(
) throws GeneralSecurityException {
return new SignerImpl(
getDelegate().getSignature(ConnectionType.SIGNATURE_PROVIDER)
);
}
/* (non-Javadoc)
* @see org.openmdx.resource.pki.cci.SignatureProvider#getValidator()
*/
@Override
public Verifier getVerifier(
) throws GeneralSecurityException {
return new VerifierImpl(
getDelegate().getSignature(ConnectionType.SIGNATURE_VERIFIER)
);
}
/**
* Update Implementation
*/
static class UpdateImpl implements Updatable {
/**
* @param signature
*/
protected UpdateImpl(Signature signature) {
this.signature = signature;
}
/**
*
*/
protected final Signature signature;
@Override
public void update(byte[] data) throws SignatureException {
this.signature.update(data);
}
@Override
public void update(
byte[] data,
int off,
int len
) throws SignatureException {
this.signature.update(data, off, len);
}
}
/**
* Signer Implementation
*/
static class SignerImpl extends UpdateImpl implements Signer {
/**
* Constructor
*
* @param signature
*/
SignerImpl(Signature signature) {
super(signature);
}
@Override
public byte[] sign() throws SignatureException {
return this.signature.sign();
}
}
/**
* Validator Implementation
*/
static class VerifierImpl extends UpdateImpl implements Verifier {
/**
* Constructor
*
* @param signature
*/
VerifierImpl(Signature signature) {
super(signature);
}
/* (non-Javadoc)
* @see org.openmdx.resource.pki.cci.SignatureProvider.Verifier#verify(byte[])
*/
@Override
public boolean verify(
byte[] signature
) throws SignatureException {
return this.signature.verify(signature);
}
/* (non-Javadoc)
* @see org.openmdx.resource.pki.cci.SignatureProvider.Verifier#verify(byte[], int, int)
*/
@Override
public boolean verify(
byte[] signature,
int offset,
int length
) throws SignatureException {
return this.signature.verify(signature, offset, length);
}
}
}