fluid-ws-java-client/src/main/java/com/fluidbpm/ws/client/v1/user/AES256Local.java
public static byte[] generateLocalHMACForReqToken(
            byte[] encryptedDataParam, byte[] keyParam, byte[] seedParam){

        byte[] poisonedSeed = poisonBytes(seedParam);

        //Add the seed to the password and SHA-256...
        byte[] derivedKey = sha256(UtilGlobal.addAll(keyParam, poisonedSeed));

        return hmacSha256(derivedKey, encryptedDataParam);
    }
public static byte[] generateLocalHMACForReqToken(
            byte[] encryptedDataParam, byte[] keyParam, byte[] seedParam){

        byte[] poisonedSeed = poisonBytes(seedParam);

        //Add the seed to the password and SHA-256...
        byte[] derivedKey = sha256(UtilGlobal.addAll(keyParam, poisonedSeed));

        return hmacSha256(derivedKey, encryptedDataParam);
    }
public static byte [ ] generateLocalHMACForReqToken ( byte [ ] encryptedDataParam , byte [ ] keyParam , byte [ ] seedParam ) { byte [ ] poisonedSeed = poisonBytes ( seedParam ) ; //Add the seed to the password and SHA-256... byte [ ] derivedKey = sha256 ( UtilGlobal . addAll ( keyParam , poisonedSeed ) ) ; return hmacSha256 ( derivedKey , encryptedDataParam ) ; }
Generate a derived HMAC from {@code encryptedDataParam} using {@code keyParam}.

@param encryptedDataParam The encrypted data to generate HMAC from.
@param keyParam Key used to derive the key from.
@param seedParam Seed to be poisoned
@return The HMAC for {@code encryptedDataParam}.
Generate a derived HMAC from { @code encryptedDataParam } using { @code keyParam } .