| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.algorithms; |
| |
| |
| |
| import java.security.Key; |
| import java.security.SecureRandom; |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| import org.apache.xml.security.signature.XMLSignatureException; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| |
| |
| /** |
| * |
| * @author $Author$ |
| */ |
| public abstract class SignatureAlgorithmSpi { |
| |
| /** {@link org.apache.commons.logging} logging facility */ |
| static org.apache.commons.logging.Log log = |
| org.apache.commons.logging.LogFactory.getLog(SignatureAlgorithmSpi.class.getName()); |
| |
| /** |
| * Returns the URI representation of <code>Transformation algorithm</code> |
| * |
| * @return the URI representation of <code>Transformation algorithm</code> |
| */ |
| protected abstract String engineGetURI(); |
| |
| /** |
| * Proxy method for {@link java.security.Signature#getAlgorithm} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @return the result of the {@link java.security.Signature#getAlgorithm} method |
| */ |
| protected abstract String engineGetJCEAlgorithmString(); |
| |
| /** |
| * Method engineGetJCEProviderName |
| * |
| * @return the JCE ProviderName |
| */ |
| protected abstract String engineGetJCEProviderName(); |
| |
| /** |
| * Proxy method for {@link java.security.Signature#update(byte[])} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @param input |
| * @throws XMLSignatureException |
| */ |
| protected abstract void engineUpdate(byte[] input) |
| throws XMLSignatureException; |
| |
| /** |
| * Proxy method for {@link java.security.Signature#update(byte[])} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @param input |
| * @throws XMLSignatureException |
| */ |
| protected abstract void engineUpdate(byte input) |
| throws XMLSignatureException; |
| |
| /** |
| * Proxy method for {@link java.security.Signature#update(byte[], int, int)} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @param buf |
| * @param offset |
| * @param len |
| * @throws XMLSignatureException |
| */ |
| protected abstract void engineUpdate(byte buf[], int offset, int len) |
| throws XMLSignatureException; |
| |
| /** |
| * Proxy method for {@link java.security.Signature#initSign(java.security.PrivateKey)} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @param signingKey |
| * @throws XMLSignatureException if this method is called on a MAC |
| */ |
| protected abstract void engineInitSign(Key signingKey) |
| throws XMLSignatureException; |
| |
| /** |
| * Proxy method for {@link java.security.Signature#initSign(java.security.PrivateKey, java.security.SecureRandom)} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @param signingKey |
| * @param secureRandom |
| * @throws XMLSignatureException if this method is called on a MAC |
| */ |
| protected abstract void engineInitSign( |
| Key signingKey, SecureRandom secureRandom) throws XMLSignatureException; |
| |
| /** |
| * Proxy method for {@link javax.crypto.Mac} |
| * which is executed on the internal {@link javax.crypto.Mac#init(Key)} object. |
| * |
| * @param signingKey |
| * @param algorithmParameterSpec |
| * @throws XMLSignatureException if this method is called on a Signature |
| */ |
| protected abstract void engineInitSign( |
| Key signingKey, AlgorithmParameterSpec algorithmParameterSpec) |
| throws XMLSignatureException; |
| |
| /** |
| * Proxy method for {@link java.security.Signature#sign()} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @return the result of the {@link java.security.Signature#sign()} method |
| * @throws XMLSignatureException |
| */ |
| protected abstract byte[] engineSign() throws XMLSignatureException; |
| |
| /** |
| * Method engineInitVerify |
| * |
| * @param verificationKey |
| * @throws XMLSignatureException |
| */ |
| protected abstract void engineInitVerify(Key verificationKey) |
| throws XMLSignatureException; |
| |
| /** |
| * Proxy method for {@link java.security.Signature#verify(byte[])} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @param signature |
| * @return true if the signature is correct |
| * @throws XMLSignatureException |
| */ |
| protected abstract boolean engineVerify(byte[] signature) |
| throws XMLSignatureException; |
| |
| /** |
| * Proxy method for {@link java.security.Signature#setParameter(java.security.spec.AlgorithmParameterSpec)} |
| * which is executed on the internal {@link java.security.Signature} object. |
| * |
| * @param params |
| * @throws XMLSignatureException |
| */ |
| protected abstract void engineSetParameter(AlgorithmParameterSpec params) |
| throws XMLSignatureException; |
| |
| /** Field _doc */ |
| Document _doc = null; |
| |
| /** |
| * Method engineSetDocument |
| * |
| * @param doc |
| */ |
| protected void engineSetDocument(Document doc) { |
| this._doc = doc; |
| } |
| |
| /** Field _constructionElement */ |
| Element _constructionElement = null; |
| |
| /** |
| * Method engineGetContextFromElement |
| * |
| * @param element |
| */ |
| protected void engineGetContextFromElement(Element element) { |
| this._constructionElement = element; |
| } |
| |
| /** |
| * Method engineSetHMACOutputLength |
| * |
| * @param HMACOutputLength |
| * @throws XMLSignatureException |
| */ |
| protected abstract void engineSetHMACOutputLength(int HMACOutputLength) |
| throws XMLSignatureException; |
| } |