為什么80%的碼農都做不了架構師？>>> ??

package com.arui.util; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class EncryptUtils {/*** Encrypt string using MD5 algorithm*/public final static String encryptMD5(String source) {if (source == null) {source = "";}String result = "";try {result = encrypt(source, "MD5");} catch (NoSuchAlgorithmException ex) {// this should never happenthrow new RuntimeException(ex);}return result;}/*** Encrypt string using SHA algorithm*/public final static String encryptSHA(String source) {if (source == null) {source = "";}String result = "";try {result = encrypt(source, "SHA");} catch (NoSuchAlgorithmException ex) {// this should never happenthrow new RuntimeException(ex);}return result;}/*** Encrypt string*/private final static String encrypt(String source, String algorithm)throws NoSuchAlgorithmException {byte[] resByteArray = encrypt(source.getBytes(), algorithm);return toHexString(resByteArray);}/*** Encrypt byte array.*/private final static byte[] encrypt(byte[] source, String algorithm)throws NoSuchAlgorithmException {MessageDigest md = MessageDigest.getInstance(algorithm);md.reset();md.update(source);return md.digest();}/*** Get hex string from byte array*/private final static String toHexString(byte[] res) {StringBuffer sb = new StringBuffer(res.length << 1);for (int i = 0; i < res.length; i++) {String digit = Integer.toHexString(0xFF & res[i]);if (digit.length() == 1) {digit = '0' + digit;}sb.append(digit);}return sb.toString().toUpperCase();} }?

原文鏈接： http://blog.csdn.net/arui319/article/details/5771804

轉載于:https://my.oschina.net/liux/blog/50452

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