svn commit: r904874 - /labs/amber/signature-api/src/main/java/org/apache/labs/amber/signature/signers/rsa/AbstractRsaSha1VerifyingKey.java

[si...@apache.org]

Author: simonetripodi
Date: Sat Jan 30 20:29:34 2010
New Revision: 904874

URL: http://svn.apache.org/viewvc?rev=904874&view=rev
Log:
first checkin of AbstractRsaSha1VerifyingKey class

Added:
    labs/amber/signature-api/src/main/java/org/apache/labs/amber/signature/signers/rsa/AbstractRsaSha1VerifyingKey.java   (with props)

Added: labs/amber/signature-api/src/main/java/org/apache/labs/amber/signature/signers/rsa/AbstractRsaSha1VerifyingKey.java
URL: http://svn.apache.org/viewvc/labs/amber/signature-api/src/main/java/org/apache/labs/amber/signature/signers/rsa/AbstractRsaSha1VerifyingKey.java?rev=904874&view=auto
==============================================================================
--- labs/amber/signature-api/src/main/java/org/apache/labs/amber/signature/signers/rsa/AbstractRsaSha1VerifyingKey.java (added)
+++ labs/amber/signature-api/src/main/java/org/apache/labs/amber/signature/signers/rsa/AbstractRsaSha1VerifyingKey.java Sat Jan 30 20:29:34 2010
@@ -0,0 +1,88 @@
+/*
+ * 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.labs.amber.signature.signers.rsa;
+
+import java.io.ByteArrayInputStream;
+import java.net.URL;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.security.interfaces.RSAPublicKey;
+
+import org.apache.labs.amber.signature.signers.SignatureException;
+import org.apache.labs.amber.signature.signers.SignatureMethod;
+import org.apache.labs.amber.signature.signers.VerifyingKey;
+
+/**
+ * Abstract implementation of a RSA public key.
+ *
+ * @version $Id$
+ */
+@SignatureMethod("RSA-SHA1")
+abstract class AbstractRsaSha1VerifyingKey extends AbstractRsaSha1Key implements VerifyingKey {
+
+    /**
+     * The X509 string constant.
+     */
+    private static final String X509 = "X509";
+
+    /**
+     * The RSA public key.
+     */
+    private RSAPublicKey rsaPublicKey;
+
+    /**
+     * Instantiate a new RSA public key reading the certificate from the URL.
+     *
+     * @param certificateLocation the certificate from the URL.
+     * @throws SignatureException if any error occurs while reading the
+     *         certificate.
+     */
+    public AbstractRsaSha1VerifyingKey(URL certificateLocation) throws SignatureException {
+        super(certificateLocation);
+    }
+
+    /**
+     * Return the RSA public key.
+     *
+     * @return the RSA public key.
+     */
+    public RSAPublicKey getRsaPublicKey() {
+        return this.rsaPublicKey;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected void init(byte[] bufferedValue) throws SignatureException {
+        try {
+            CertificateFactory certificateFactory = CertificateFactory.getInstance(X509);
+
+            ByteArrayInputStream input = new ByteArrayInputStream(bufferedValue);
+            try {
+                X509Certificate certificate = (X509Certificate) certificateFactory.generateCertificate(input);
+                this.rsaPublicKey = (RSAPublicKey) certificate.getPublicKey();
+            } catch (CertificateException e) {
+                throw new SignatureException("An error occurred while reading the public ceritificate", e);
+            }
+        } catch (CertificateException e) {
+            // TODO can this exception be ignored?
+        }
+    }
+
+}

Propchange: labs/amber/signature-api/src/main/java/org/apache/labs/amber/signature/signers/rsa/AbstractRsaSha1VerifyingKey.java
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Propchange: labs/amber/signature-api/src/main/java/org/apache/labs/amber/signature/signers/rsa/AbstractRsaSha1VerifyingKey.java
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