110 lines
3.3 KiB
C#
110 lines
3.3 KiB
C#
// Copyright 2025 Code Philosophy
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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using System;
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using System.Text;
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namespace Obfuz
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{
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public class NullEncryptor : EncryptorBase
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{
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private readonly byte[] _key;
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public override int OpCodeCount => 256;
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public NullEncryptor(byte[] key)
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{
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_key = key;
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}
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public override int Encrypt(int value, int opts, int salt)
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{
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return value;
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}
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public override int Decrypt(int value, int opts, int salt)
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{
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return value;
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}
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public override long Encrypt(long value, int opts, int salt)
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{
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return value;
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}
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public override long Decrypt(long value, int opts, int salt)
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{
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return value;
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}
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public override float Encrypt(float value, int opts, int salt)
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{
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return value;
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}
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public override float Decrypt(float value, int opts, int salt)
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{
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return value;
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}
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public override double Encrypt(double value, int opts, int salt)
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{
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return value;
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}
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public override double Decrypt(double value, int opts, int salt)
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{
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return value;
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}
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public override byte[] Encrypt(byte[] value, int offset, int length, int opts, int salt)
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{
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if (length == 0)
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{
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return Array.Empty<byte>();
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}
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var encryptedBytes = new byte[length];
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Buffer.BlockCopy(value, offset, encryptedBytes, 0, length);
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return encryptedBytes;
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}
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public override byte[] Decrypt(byte[] value, int offset, int length, int ops, int salt)
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{
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if (length == 0)
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{
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return Array.Empty<byte>();
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}
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byte[] byteArr = new byte[length];
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Buffer.BlockCopy(value, 0, byteArr, 0, length);
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return byteArr;
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}
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public override byte[] Encrypt(string value, int ops, int salt)
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{
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return Encoding.UTF8.GetBytes(value);
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}
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public override string DecryptString(byte[] value, int offset, int length, int ops, int salt)
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{
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return Encoding.UTF8.GetString(value, offset, length);
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}
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}
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}
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