new provider classes

security/jss/org/mozilla/jss/provider/java/security/GenericMessageDigestSpi.java

@@ -0,0 +1,113 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Network Security Services for Java.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2002
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+package org.mozilla.jss.provider.java.security;
+
+import java.security.DigestException;
+import org.mozilla.jss.crypto.*;
+
+
+abstract class GenericMessageDigestSpi {
+
+    private JSSMessageDigest digest;
+
+    private GenericMessageDigestSpi() { }
+
+    protected GenericMessageDigestSpi(DigestAlgorithm alg) {
+        super();
+        CryptoToken token =
+            TokenSupplierManager.getTokenSupplier().getThreadToken();
+        try {
+            try {
+              digest = token.getDigestContext(alg);
+            } catch(java.security.NoSuchAlgorithmException e) {
+                throw new UnsupportedOperationException(
+                    "Token '" + token.getName() + "' does not support " +
+                    "algorithm " + alg.toString());
+            }
+        } catch(TokenException e) {
+            throw new TokenRuntimeException(e.getMessage());
+        } catch(DigestException e1) {
+            throw new TokenRuntimeException(e1.getMessage());
+        }
+    }
+
+    public Object clone() throws CloneNotSupportedException {
+        throw new CloneNotSupportedException();
+    }
+
+    public byte[] engineDigest() {
+      try {
+        return digest.digest();
+      } catch(java.security.DigestException de) {
+        throw new TokenRuntimeException(de.getMessage());
+      }
+    }
+
+    public int engineDigest(byte[] buf, int offset, int len)
+        throws DigestException
+    {
+        return digest.digest(buf, offset, len);
+    }
+
+    public int engineGetDigestLength() {
+        return digest.getOutputSize();
+    }
+
+    public void engineReset() {
+      try {
+        digest.reset();
+      } catch(java.security.DigestException de) {
+        throw new TokenRuntimeException(de.getMessage());
+      }
+    }
+
+    public void engineUpdate(byte input) {
+      try {
+        digest.update(input);
+      } catch(java.security.DigestException de) {
+        throw new TokenRuntimeException(de.getMessage());
+      }
+    }
+
+    public void engineUpdate(byte[] input, int offset, int len) {
+      try {
+        digest.update(input,offset,len);
+      } catch(java.security.DigestException de) {
+        throw new TokenRuntimeException(de.getMessage());
+      }
+    }
+}