Android HmacSHA256 Create getHmacSha256Base64(String key, String data)

Description

get Hmac Sha Base

Declaration

public static String getHmacSha256Base64(String key, String data)
            throws NoSuchAlgorithmException, InvalidKeyException 

Method Source Code

//package com.java2s;

import android.util.Base64;

import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;

import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

public class Main {
    public static String getHmacSha256Base64(String key, String data)
            throws NoSuchAlgorithmException, InvalidKeyException {
        final String encryptionAlgorithm = "HmacSHA256";
        SecretKey secretKey = new SecretKeySpec(data.getBytes(),
                encryptionAlgorithm);//from ww  w .  ja v a2  s. c o m
        Mac messageAuthenticationCode = Mac
                .getInstance(encryptionAlgorithm);
        messageAuthenticationCode.init(secretKey);
        messageAuthenticationCode.update(key.getBytes());
        byte[] digest = messageAuthenticationCode.doFinal();
        return Base64.encodeToString(digest, Base64.NO_WRAP);
    }
}

Related

1. encryptHMAC(String data, String secret)
2. hmacSha1(String str, String keyString)