i7rTaETy

1Base64_encode different between Java and PHP
2String generateSignature () {
3    byte[] Sequence = ("hello").getBytes("UTF-8");
4    Mac HMAC = Mac.getInstance("HMACSHA256");
5    HMAC.init("SECRET_KEY");
6    byte[] Hash = HMAC.doFinal(Sequence);
7    String Signature = new String(Base64.encodeBase64(Hash));
8    return Signature;
9}
10	
11function generateSignature() {
12    $sequence = "hello";
13    $encrypted = hash_hmac('sha256', $sequence, "SECRET_KEY");
14    return base64_encode($encrypted);
15}