Java Hash Code Calculate generateHash(String plaintext)

Description

generate Hash

License

Open Source License

Declaration

public static String generateHash(String plaintext) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Main {
    public static String generateHash(String plaintext) {
        try {/*  w  ww  .j  av a  2s . c  om*/
            StringBuilder hash = new StringBuilder();
            MessageDigest sha = MessageDigest.getInstance("SHA-1");
            byte[] hashedBytes = sha.digest(plaintext.getBytes());
            char[] digits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
            for (int idx = 0; idx < hashedBytes.length; ++idx) {
                byte b = hashedBytes[idx];
                hash.append(digits[(b & 0xf0) >> 4]);
                hash.append(digits[b & 0x0f]);
            }
            return hash.toString();
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e);
        }
    }
}

Related

1. generateHash(final String msg, final String hashAlgorithm)
2. generateHash(String algo, byte[]... bytes)
3. generateHash(String input)
4. generateHash(String input, String salt)
5. generateHash(String item)
6. generateHash(String plainText, String hashType)
7. generateHash(String serviceUri, String username, String password)
8. generateHash(String target)
9. generateHash(String tcString)