hmac SHA String Hash - Android java.security

Android examples for java.security:HMAC

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Description

hmac SHA String Hash

Demo Code


import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;

public class Main{
    public static String hmacSHA256(String data, String key) {
        return hashHmac("HmacSHA256", data, key);
    }/*from  w ww. j ava 2 s.c  om*/
    private static String hashHmac(String algorithm, String data, String key) {
        String result = "";
        byte[] bytesKey = key.getBytes();
        final SecretKeySpec secretKey = new SecretKeySpec(bytesKey,
                algorithm);
        try {
            Mac mac = Mac.getInstance(algorithm);
            mac.init(secretKey);
            byte[] macData = mac.doFinal(data.getBytes());
            result = StrUtil.byte2hex(macData);
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (InvalidKeyException e) {
            e.printStackTrace();
        }
        return result;
    }
}

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