How to do in Algorithms ?

16 Aug 2010
How to clac MD5 ?

MessageDigest digest = MessageDigest.getInstance("MD5");  
digest.update(s.getBytes());  
byte[] messageDigest = digest.digest();  
StringBuffer hexString = new StringBuffer();  
for(int i = 0 ; i < messageDigest.length ; i++)  
hexString.append(Integer.toHexString(0xFF & messageDigest[i]));  
return hexString.toString();