http://www.mkyong.com/java/java-md5-hashing-example/
package com.mkyong.test; import java.security.MessageDigest; public class MD5HashingExample { public static void main(String[] args)throws Exception { String password = "123456"; MessageDigest md = MessageDigest.getInstance("MD5"); md.update(password.getBytes()); byte byteData[] = md.digest(); //convert the byte to hex format method 1 StringBuffer sb = new StringBuffer(); for (int i = 0; i < byteData.length; i++) { sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1)); } System.out.println("Digest(in hex format):: " + sb.toString()); //convert the byte to hex format method 2 StringBuffer hexString = new StringBuffer(); for (int i=0;i<byteData.length;i++) { String hex=Integer.toHexString(0xff & byteData[i]); if(hex.length()==1) hexString.append('0'); hexString.append(hex); } System.out.println("Digest(in hex format):: " + hexString.toString()); } }
Output
Digest(in hex format):: e10adc3949ba59abbe56e057f20f883e Digest(in hex format):: e10adc3949ba59abbe56e057f20f883e
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