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活用Apache commons，使用Apache digest做md5加密的范例。
import java.security.NoSuchAlgorithmException;<br /> import org.apache.commons.codec.digest.DigestUtils;<br /> /**<br /> * @author loveapple<br /> * @since 2009-01-15<br /> * @version $Revision$<br /> */<br /> public class MD5Test {<br /> //加密后的文字串<br /> static final String CHANGEME_MD5_STR = "4cb9c8a8048fd02294477fcb1a41191a";<br /> //被加密的文字串<br /> static final String TARGET = "changeme";</p> <p> public static void main(String[] argvs){<br /> try {<br /> MessageDigestAdapter adapter = new MessageDigestAdapter("MD5");<br /> String md5str = adapter.digest(TARGET);<br /> System.out.println(md5str);</p> <p> if(CHANGEME_MD5_STR.equals(md5str)){<br /> System.out.println(md5str + "->" + CHANGEME_MD5_STR);<br /> System.out.println("same with mysql request. length is [" + md5str.length() + "]");</p> <p> }else{<br /> System.out.println("NOT SAME! with mysql requse");<br /> }</p> <p> System.out.println("common codec result: " + DigestUtils.md5Hex(TARGET));<br /> if(CHANGEME_MD5_STR.equals(DigestUtils.md5Hex(TARGET))){<br /> System.out.println("code result same with mysql request too. length is [" + DigestUtils.md5Hex(TARGET) + "]");<br /> }</p> <p> }catch (NoSuchAlgorithmException e) {<br /> e.printStackTrace();<br /> }</p> <p> }<br /> }
转贴请注明出处：http://blog.csdn.net/froole
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