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* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package com.sun.org.apache.xml.internal.security.algorithms.implementations;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.NoSuchProviderException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.Signature;
import java.security.SignatureException;
import java.security.spec.AlgorithmParameterSpec;
import com.sun.org.apache.xml.internal.security.algorithms.JCEMapper;
import com.sun.org.apache.xml.internal.security.algorithms.SignatureAlgorithmSpi;
import com.sun.org.apache.xml.internal.security.signature.XMLSignature;
import com.sun.org.apache.xml.internal.security.signature.XMLSignatureException;
public abstract class SignatureBaseRSA extends SignatureAlgorithmSpi {
/** {@link org.apache.commons.logging} logging facility */
private static java.util.logging.Logger log =
java.util.logging.Logger.getLogger(SignatureBaseRSA.class.getName());
/** @inheritDoc */
public abstract String engineGetURI();
/** Field algorithm */
private java.security.Signature signatureAlgorithm = null;
/**
* Constructor SignatureRSA
*
* @throws XMLSignatureException
*/
public SignatureBaseRSA() throws XMLSignatureException {
String algorithmID = JCEMapper.translateURItoJCEID(this.engineGetURI());
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Created SignatureRSA using " + algorithmID);
}
String provider = JCEMapper.getProviderId();
try {
if (provider == null) {
this.signatureAlgorithm = Signature.getInstance(algorithmID);
} else {
this.signatureAlgorithm = Signature.getInstance(algorithmID,provider);
}
} catch (java.security.NoSuchAlgorithmException ex) {
Object[] exArgs = { algorithmID, ex.getLocalizedMessage() };
throw new XMLSignatureException("algorithms.NoSuchAlgorithm", exArgs);
} catch (NoSuchProviderException ex) {
Object[] exArgs = { algorithmID, ex.getLocalizedMessage() };
throw new XMLSignatureException("algorithms.NoSuchAlgorithm", exArgs);
}
}
/** @inheritDoc */
protected void engineSetParameter(AlgorithmParameterSpec params)
throws XMLSignatureException {
try {
this.signatureAlgorithm.setParameter(params);
} catch (InvalidAlgorithmParameterException ex) {
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected boolean engineVerify(byte[] signature) throws XMLSignatureException {
try {
return this.signatureAlgorithm.verify(signature);
} catch (SignatureException ex) {
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected void engineInitVerify(Key publicKey) throws XMLSignatureException {
if (!(publicKey instanceof PublicKey)) {
String supplied = publicKey.getClass().getName();
String needed = PublicKey.class.getName();
Object exArgs[] = { supplied, needed };
throw new XMLSignatureException("algorithms.WrongKeyForThisOperation", exArgs);
}
try {
this.signatureAlgorithm.initVerify((PublicKey) publicKey);
} catch (InvalidKeyException ex) {
// reinstantiate Signature object to work around bug in JDK
// see: http://bugs.sun.com/view_bug.do?bug_id=4953555
Signature sig = this.signatureAlgorithm;
try {
this.signatureAlgorithm = Signature.getInstance(signatureAlgorithm.getAlgorithm());
} catch (Exception e) {
// this shouldn't occur, but if it does, restore previous
// Signature
if (log.isLoggable(java.util.logging.Level.FINE)) {
log.log(java.util.logging.Level.FINE, "Exception when reinstantiating Signature:" + e);
}
this.signatureAlgorithm = sig;
}
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected byte[] engineSign() throws XMLSignatureException {
try {
return this.signatureAlgorithm.sign();
} catch (SignatureException ex) {
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected void engineInitSign(Key privateKey, SecureRandom secureRandom)
throws XMLSignatureException {
if (!(privateKey instanceof PrivateKey)) {
String supplied = privateKey.getClass().getName();
String needed = PrivateKey.class.getName();
Object exArgs[] = { supplied, needed };
throw new XMLSignatureException("algorithms.WrongKeyForThisOperation", exArgs);
}
try {
this.signatureAlgorithm.initSign((PrivateKey) privateKey, secureRandom);
} catch (InvalidKeyException ex) {
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected void engineInitSign(Key privateKey) throws XMLSignatureException {
if (!(privateKey instanceof PrivateKey)) {
String supplied = privateKey.getClass().getName();
String needed = PrivateKey.class.getName();
Object exArgs[] = { supplied, needed };
throw new XMLSignatureException("algorithms.WrongKeyForThisOperation", exArgs);
}
try {
this.signatureAlgorithm.initSign((PrivateKey) privateKey);
} catch (InvalidKeyException ex) {
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected void engineUpdate(byte[] input) throws XMLSignatureException {
try {
this.signatureAlgorithm.update(input);
} catch (SignatureException ex) {
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected void engineUpdate(byte input) throws XMLSignatureException {
try {
this.signatureAlgorithm.update(input);
} catch (SignatureException ex) {
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected void engineUpdate(byte buf[], int offset, int len) throws XMLSignatureException {
try {
this.signatureAlgorithm.update(buf, offset, len);
} catch (SignatureException ex) {
throw new XMLSignatureException("empty", ex);
}
}
/** @inheritDoc */
protected String engineGetJCEAlgorithmString() {
return this.signatureAlgorithm.getAlgorithm();
}
/** @inheritDoc */
protected String engineGetJCEProviderName() {
return this.signatureAlgorithm.getProvider().getName();
}
/** @inheritDoc */
protected void engineSetHMACOutputLength(int HMACOutputLength)
throws XMLSignatureException {
throw new XMLSignatureException("algorithms.HMACOutputLengthOnlyForHMAC");
}
/** @inheritDoc */
protected void engineInitSign(
Key signingKey, AlgorithmParameterSpec algorithmParameterSpec
) throws XMLSignatureException {
throw new XMLSignatureException("algorithms.CannotUseAlgorithmParameterSpecOnRSA");
}
/**
* Class SignatureRSASHA1
*/
public static class SignatureRSASHA1 extends SignatureBaseRSA {
/**
* Constructor SignatureRSASHA1
*
* @throws XMLSignatureException
*/
public SignatureRSASHA1() throws XMLSignatureException {
super();
}
/** @inheritDoc */
public String engineGetURI() {
return XMLSignature.ALGO_ID_SIGNATURE_RSA_SHA1;
}
}
/**
* Class SignatureRSASHA256
*/
public static class SignatureRSASHA256 extends SignatureBaseRSA {
/**
* Constructor SignatureRSASHA256
*
* @throws XMLSignatureException
*/
public SignatureRSASHA256() throws XMLSignatureException {
super();
}
/** @inheritDoc */
public String engineGetURI() {
return XMLSignature.ALGO_ID_SIGNATURE_RSA_SHA256;
}
}
/**
* Class SignatureRSASHA384
*/
public static class SignatureRSASHA384 extends SignatureBaseRSA {
/**
* Constructor SignatureRSASHA384
*
* @throws XMLSignatureException
*/
public SignatureRSASHA384() throws XMLSignatureException {
super();
}
/** @inheritDoc */
public String engineGetURI() {
return XMLSignature.ALGO_ID_SIGNATURE_RSA_SHA384;
}
}
/**
* Class SignatureRSASHA512
*/
public static class SignatureRSASHA512 extends SignatureBaseRSA {
/**
* Constructor SignatureRSASHA512
*
* @throws XMLSignatureException
*/
public SignatureRSASHA512() throws XMLSignatureException {
super();
}
/** @inheritDoc */
public String engineGetURI() {
return XMLSignature.ALGO_ID_SIGNATURE_RSA_SHA512;
}
}
/**
* Class SignatureRSARIPEMD160
*/
public static class SignatureRSARIPEMD160 extends SignatureBaseRSA {
/**
* Constructor SignatureRSARIPEMD160
*
* @throws XMLSignatureException
*/
public SignatureRSARIPEMD160() throws XMLSignatureException {
super();
}
/** @inheritDoc */
public String engineGetURI() {
return XMLSignature.ALGO_ID_SIGNATURE_RSA_RIPEMD160;
}
}
/**
* Class SignatureRSAMD5
*/
public static class SignatureRSAMD5 extends SignatureBaseRSA {
/**
* Constructor SignatureRSAMD5
*
* @throws XMLSignatureException
*/
public SignatureRSAMD5() throws XMLSignatureException {
super();
}
/** @inheritDoc */
public String engineGetURI() {
return XMLSignature.ALGO_ID_SIGNATURE_NOT_RECOMMENDED_RSA_MD5;
}
}
}