org.jcp.xml.dsig.internal.dom.DOMSHA1DigestMethod Maven / Gradle / Ivy
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/* */ package org.jcp.xml.dsig.internal.dom;
/* */
/* */ import java.io.IOException;
/* */ import java.io.InputStream;
/* */ import java.security.DigestException;
/* */ import java.security.DigestInputStream;
/* */ import java.security.InvalidAlgorithmParameterException;
/* */ import java.security.MessageDigest;
/* */ import java.security.NoSuchAlgorithmException;
/* */ import java.security.spec.AlgorithmParameterSpec;
/* */ import java.util.logging.Level;
/* */ import java.util.logging.Logger;
/* */ import javax.xml.crypto.MarshalException;
/* */ import javax.xml.crypto.dsig.spec.DigestMethodParameterSpec;
/* */ import org.w3c.dom.Element;
/* */
/* */ public final class DOMSHA1DigestMethod extends DOMDigestMethod
/* */ {
/* 32 */ private static Logger log = Logger.getLogger("org.jcp.xml.dsig.internal.dom");
/* */ private MessageDigest md;
/* */
/* */ public DOMSHA1DigestMethod(AlgorithmParameterSpec params)
/* */ throws InvalidAlgorithmParameterException
/* */ {
/* 40 */ super("http://www.w3.org/2000/09/xmldsig#sha1", params);
/* */ }
/* */
/* */ public DOMSHA1DigestMethod(Element dmElem)
/* */ throws MarshalException
/* */ {
/* 49 */ super(dmElem);
/* */ }
/* */
/* */ protected void checkParams(DigestMethodParameterSpec params) throws InvalidAlgorithmParameterException
/* */ {
/* 54 */ if (params != null)
/* 55 */ throw new InvalidAlgorithmParameterException("no parameters should be specified for SHA1 message digest algorithm");
/* */ }
/* */
/* */ protected DigestMethodParameterSpec unmarshalParams(Element paramsElem)
/* */ throws MarshalException
/* */ {
/* 62 */ throw new MarshalException("no parameters should be specified for SHA1 message digest algorithm");
/* */ }
/* */
/* */ protected void marshalParams(Element parent, String dsPrefix)
/* */ throws MarshalException
/* */ {
/* 69 */ throw new MarshalException("no parameters should be specified for SHA1 message digest algorithm");
/* */ }
/* */
/* */ public byte[] digest(InputStream is) throws IOException, DigestException
/* */ {
/* 74 */ if (is == null)
/* 75 */ throw new NullPointerException("pre-digested input stream is null");
/* */ try
/* */ {
/* 78 */ this.md = MessageDigest.getInstance("SHA");
/* */ } catch (NoSuchAlgorithmException nsae) {
/* 80 */ throw new DigestException("SHA1 MessageDigest not available");
/* */ }
/* 82 */ DigestInputStream dis = new DigestInputStream(is, this.md);
/* 83 */ if (log.isLoggable(Level.FINE)) {
/* 84 */ log.log(Level.FINE, "Predigested reference:\n");
/* 85 */ byte[] buf = new byte[1024];
/* 86 */ int bytesRead = 0;
/* */ while (true) {
/* 88 */ int read = dis.read(buf);
/* 89 */ if (read == -1) {
/* */ break;
/* */ }
/* 92 */ bytesRead += read;
/* 93 */ log.log(Level.FINE, new String(buf));
/* */ }
/* 95 */ log.log(Level.FINE, "bytesRead=" + bytesRead);
/* */ }
/* 97 */ return this.md.digest();
/* */ }
/* */ }
/* Location: E:\HYN\Java\trunk\ref\lib-dep\xmldsig\xmldsig.jar
* Qualified Name: org.jcp.xml.dsig.internal.dom.DOMSHA1DigestMethod
* JD-Core Version: 0.6.2
*/