Java SHA sha(String text, String encoding)

Description

sha

License

Apache License

Declaration

public static String sha(String text, String encoding) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;

public class Main {
    public static String sha(String text, String encoding) {
        return encryptPassword(text, encoding, "sha");
    }/*from  www .  java2  s  .c  o  m*/

    private static String encryptPassword(String password, String encoding, String algorithm) {
        try {
            byte[] unencodedPassword = password.getBytes(encoding);
            return encryptPassword(unencodedPassword, algorithm);
        } catch (UnsupportedEncodingException e) {
            return null;
        }
    }

    private static String encryptPassword(byte[] unencodedPassword, String algorithm) {
        MessageDigest md = null;
        try {
            md = MessageDigest.getInstance(algorithm);
        } catch (Exception e) {
            return null;
        }
        md.reset();
        md.update(unencodedPassword);
        byte[] encodedPassword = md.digest();
        StringBuilder buf = new StringBuilder();
        for (int i = 0; i < encodedPassword.length; i++) {
            if ((encodedPassword[i] & 0xff) < 0x10) {
                buf.append("0");
            }
            buf.append(Long.toString(encodedPassword[i] & 0xff, 16));
        }
        return buf.toString();
    }
}

Related

1. sha(byte[] data)
2. SHA(String s)
3. sha(String source)
4. sha(String str)
5. sha(String strPlain)
6. sha2(String content)
7. sha2(String input)
8. sha2(String password)
9. sha2(String... data)