net.siisise.security.block.DecBlock Maven / Gradle / Ivy
/*
* Copyright 2023 Siisise Net.
*
* 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 net.siisise.security.block;
/**
* ブロック復号系.
*/
public interface DecBlock {
/**
* 復号処理.
* @param src 暗号データ列
* @param offset offset
* @param length 長さ
* @return 復号データ
*/
byte[] decrypt(byte[] src, int offset, int length);
int[] decrypt(int[] src, int offset, int length);
long[] decrypt(long[] src, int offset, int length);
void decrypt(byte[] src, int offset, byte[] dst, int doffset, int length);
byte[] decrypt(byte[] src);
int[] decrypt(int[] src);
long[] decrypt(long[] src);
/**
* 復号処理.
* ブロック単位で呼び出される.
* パディングは考慮しない.
*
* @param src ブロックを含んだ配列
* @param offset ブロックの位置
* @return 復号されたデータ
*/
byte[] decrypt(byte[] src, int offset);
int[] decrypt(int[] src, int offset);
long[] decrypt(long[] src, int offset);
}