Android Base64 Encode base64Digest(String input)

Description

First encrypt with SHA1 then convert to Base64

Declaration

public static String base64Digest(String input)
        throws UnsupportedEncodingException, NoSuchAlgorithmException 

Method Source Code

//package com.java2s;
import java.io.UnsupportedEncodingException;

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

import android.util.Base64;

public class Main {
    /** First encrypt with SHA1 then convert to Base64*/
    public static String base64Digest(String input)
            throws UnsupportedEncodingException, NoSuchAlgorithmException {

        String b64digest = convertToBase64(dataDigest(input));

        // we trim off last character due to a weird encoding error
        // Note: check for a solution in the future.
        return b64digest.substring(0, b64digest.length() - 1);
    }//ww  w .j  a v  a2  s.  co m

    private static String convertToBase64(byte[] in)
            throws UnsupportedEncodingException {
        if (in == null)
            return null;

        return new String(Base64.encode(in, Base64.URL_SAFE
                | Base64.NO_PADDING), "UTF8");
    }

    private static byte[] dataDigest(String in)
            throws NoSuchAlgorithmException, UnsupportedEncodingException {
        if (in == null)
            return null;

        MessageDigest md = MessageDigest.getInstance("SHA-1");
        return md.digest(in.getBytes("UTF8"));
    }
}

Related

1. encode(String str)
2. encodedBase64(String currentString)
3. toBase64(String value)
4. toBase64(byte[] bytes)
5. base64Encode(byte[] bytes)
6. base64Encode(final byte[] data)
7. encode(byte[] src)
8. to64(String a)
9. toBase64(byte[] barray)