io.jsonwebtoken.security.Message Maven / Gradle / Ivy
/*
* Copyright (C) 2021 jsonwebtoken.io
*
* 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 io.jsonwebtoken.security;
import java.security.Key;
/**
* A message contains a {@link #getPayload() payload} used as input to or output from a cryptographic algorithm.
*
* @param The type of payload in the message.
* @since 0.12.0
*/
public interface Message {
/**
* Returns the message payload used as input to or output from a cryptographic algorithm. This is almost always
* plaintext used for cryptographic signatures or encryption, or ciphertext for decryption, or a {@link Key}
* instance for wrapping or unwrapping algorithms.
*
* @return the message payload used as input to or output from a cryptographic algorithm.
*/
T getPayload(); //plaintext, ciphertext or Key
}
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