| /** |
| * 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 org.apache.xml.security.stax.impl.algorithms; |
| |
| import org.apache.xml.security.algorithms.implementations.ECDSAUtils; |
| import org.apache.xml.security.exceptions.XMLSecurityException; |
| import org.apache.xml.security.utils.JavaUtils; |
| |
| import java.io.IOException; |
| import java.security.*; |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| /** |
| */ |
| public class PKISignatureAlgorithm implements SignatureAlgorithm { |
| |
| private final String jceName; |
| private final Signature signature; |
| |
| public PKISignatureAlgorithm(String jceName, String jceProvider) throws NoSuchProviderException, NoSuchAlgorithmException { |
| this.jceName = jceName; |
| if (jceProvider != null) { |
| signature = Signature.getInstance(this.jceName, jceProvider); |
| } else { |
| signature = Signature.getInstance(this.jceName); |
| } |
| } |
| |
| @Override |
| public void engineUpdate(byte[] input) throws XMLSecurityException { |
| try { |
| signature.update(input); |
| } catch (SignatureException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public void engineUpdate(byte input) throws XMLSecurityException { |
| try { |
| signature.update(input); |
| } catch (SignatureException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public void engineUpdate(byte[] buf, int offset, int len) throws XMLSecurityException { |
| try { |
| signature.update(buf, offset, len); |
| } catch (SignatureException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public void engineInitSign(Key signingKey) throws XMLSecurityException { |
| try { |
| signature.initSign((PrivateKey) signingKey); |
| } catch (InvalidKeyException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public void engineInitSign(Key signingKey, SecureRandom secureRandom) throws XMLSecurityException { |
| try { |
| signature.initSign((PrivateKey) signingKey, secureRandom); |
| } catch (InvalidKeyException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public void engineInitSign(Key signingKey, AlgorithmParameterSpec algorithmParameterSpec) throws XMLSecurityException { |
| try { |
| signature.initSign((PrivateKey) signingKey); |
| } catch (InvalidKeyException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public byte[] engineSign() throws XMLSecurityException { |
| try { |
| byte[] jcebytes = signature.sign(); |
| if (this.jceName.contains("ECDSA")) { |
| return ECDSAUtils.convertASN1toXMLDSIG(jcebytes); |
| } else if (this.jceName.contains("DSA")) { |
| return JavaUtils.convertDsaASN1toXMLDSIG(jcebytes, 20); |
| } |
| return jcebytes; |
| } catch (SignatureException e) { |
| throw new XMLSecurityException(e); |
| } catch (IOException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public void engineInitVerify(Key verificationKey) throws XMLSecurityException { |
| try { |
| signature.initVerify((PublicKey) verificationKey); |
| } catch (InvalidKeyException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public boolean engineVerify(byte[] signature) throws XMLSecurityException { |
| try { |
| byte[] jcebytes = signature; |
| if (this.jceName.contains("ECDSA")) { |
| jcebytes = ECDSAUtils.convertXMLDSIGtoASN1(jcebytes); |
| } else if (this.jceName.contains("DSA")) { |
| jcebytes = JavaUtils.convertDsaXMLDSIGtoASN1(jcebytes, 20); |
| } |
| return this.signature.verify(jcebytes); |
| } catch (SignatureException e) { |
| throw new XMLSecurityException(e); |
| } catch (IOException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| |
| @Override |
| public void engineSetParameter(AlgorithmParameterSpec params) throws XMLSecurityException { |
| try { |
| signature.setParameter(params); |
| } catch (InvalidAlgorithmParameterException e) { |
| throw new XMLSecurityException(e); |
| } |
| } |
| } |