Implementation code of java, android, MD5 encryption algorithm (16-bit, 32-bit)

As shown below:

 import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;public class Md5 { public static String getMD5(String val) throws NoSuchAlgorithmException{ MessageDigest md5 = MessageDigest.getInstance("MD5"); md5.update(val.getBytes()); byte[] m = md5.digest();//encrypt return getString(m); } private static String getString(byte[] b){ StringBuffer buf = new StringBuffer(); for(int i = 0; i < b.length; i ++){ int a = b[i]; if(a<0) a+=256; if(a<16) buf.append("0"); buf.append(Integer.toHexString(a)); } return buf.toString(); //32-bit or return buf.toString().substring(8,24); //16-bit

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