org.hyperledger.fabric.sdk.identity.SigningIdentity Maven / Gradle / Ivy
/*
*
* Copyright IBM Corp. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.hyperledger.fabric.sdk.identity;
import org.hyperledger.fabric.sdk.exception.CryptoException;
import org.hyperledger.fabric.sdk.exception.InvalidArgumentException;
/**
* SigningIdentity extends Identity with signing capabilities. It is used by a
* client to sign transactions in a linkable or unlinkable fashion.
*/
public interface SigningIdentity extends Identity {
/**
* Sings a message with the secret key and the corresponding certificate
*
* @param msg
* @return signature
* @throws CryptoException
* @throws InvalidArgumentException
*/
byte[] sign(byte[] msg) throws CryptoException, InvalidArgumentException;
/**
* Verifies a signature on a message
*
* @param msg
* @param sig
* @return true/false
* @throws CryptoException
* @throws InvalidArgumentException
*/
boolean verifySignature(byte[] msg, byte[] sig) throws CryptoException, InvalidArgumentException;
}