// ============================================================================
//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
// ============================================================================
package org.talend.mdm.repository.utils;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.log4j.Logger;
/**
* created by HHB on 2013-7-15 Detailled comment
*
*/
public class DigestUtil {
static Logger log = Logger.getLogger(DigestUtil.class);
public static String encodeByMD5(byte[] content) {
try {
MessageDigest alg = MessageDigest.getInstance("MD5"); //$NON-NLS-1$
alg.reset();
alg.update(content);
byte[] digest = alg.digest();
StringBuffer md5StrBuff = new StringBuffer();
for (byte element : digest) {
if (Integer.toHexString(0xFF & element).length() == 1) {
md5StrBuff.append("0").append(Integer.toHexString(0xFF & element)); //$NON-NLS-1$
} else {
md5StrBuff.append(Integer.toHexString(0xFF & element));
}
}
return md5StrBuff.toString();
} catch (NoSuchAlgorithmException e) {
log.error(e.getMessage(), e);
}
return null;
}
}