MD5 CODE IN JAVA

MD5:
MD5 algorithm is a cryptography hash function producing a 128-bit (16-byte) hash value, typically expressed in text format as a 32 digit hexadecimal number. do non mistake hashing algorithms with encryption algorithm.

package encryption; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; /** * * @author Manoj */ class AeSimpleMD5 { private static String convertToHex(byte[] data) { StringBuffer buf = new StringBuffer(); for (int i = 0; i < data.length; i++) { int halfbyte = (data[i] >>> 4) & 0x0F; int two_halfs = 0; do { if ((0 <= halfbyte) && (halfbyte <= 9)) buf.append((char) ('0' + halfbyte)); else buf.append((char) ('a' + (halfbyte - 10))); halfbyte = data[i] & 0x0F; } while(two_halfs++ < 1); } return buf.toString(); } public static String MD5(String text) throws NoSuchAlgorithmException, UnsupportedEncodingException { MessageDigest md; md = MessageDigest.getInstance("MD5"); byte[] md5hash = new byte[32]; md.update(text.getBytes("iso-8859-1"), 0, text.length()); md5hash = md.digest(); return convertToHex(md5hash); } } public class MD5encryption { public static void main(String[] args) throws IOException { BufferedReader userInput = new BufferedReader (new InputStreamReader(System.in)); System.out.println("Enter string:"); String rawString = userInput.readLine(); try { System.out.println("MD5 hash of string: " + AeSimpleMD5.MD5(rawString)); } catch (NoSuchAlgorithmException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
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