Method hmac

java/lib/src/main/java/io/github/ccxt/base/Crypto.java:140–148

(String jceName, byte[] data, byte[] key)

    }

    private static byte[] hmac(String jceName, byte[] data, byte[] key) {
        try {
            Mac mac = Mac.getInstance(jceName);
            mac.init(new SecretKeySpec(key, jceName));
            return mac.doFinal(data);
        } catch (GeneralSecurityException e) {
            throw new RuntimeException(e);
        }
    }

    public static String hmac(Object request2, Object secret2, Object algorithm2, String digest) {
        return Hmac(request2, secret2, algorithm2, digest);