SHA+HEX讯息摘要加密

SHA+HEX消息摘要加密

import java.io.UnsupportedEncodingException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/** * 消息摘要加密 * <p> * SHA+Hex * * @author  * */public abstract class ShaHex {/** 明文编码 */private static final String ENCODING = "UTF8";/** 加密算法 */private static final String PROVIDER = "SHA-1";private static final Logger LOG = LoggerFactory.getLogger(ShaHex.class);private ShaHex() {// do nothing}/** * 获得明文摘要信息 * @param message * @return 加密成功时，返回摘要信息，加密失败时直接返回明文。 */public static final String messageDigest(String message) {String digest = null;try {final byte[] plainText = message.getBytes(ENCODING);MessageDigest messageDigest = MessageDigest.getInstance(PROVIDER);messageDigest.update(plainText);digest = new String(HexUtils.encode(messageDigest.digest()));} catch (UnsupportedEncodingException e) {LOG.error("加密失败！", e);digest = message;} catch (NoSuchAlgorithmException e) {LOG.error("加密失败！", e);digest = message;}return digest;}}