37 lines
1.1 KiB
C#
37 lines
1.1 KiB
C#
using System.Collections.Generic;
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namespace Obfuz.EncryptionVM.Instructions
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{
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public class XorInstruction : EncryptionInstructionBase
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{
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private readonly int _xorValue;
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private readonly int _opKeyIndex;
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public XorInstruction(int xorValue, int opKeyIndex)
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{
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_xorValue = xorValue;
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_opKeyIndex = opKeyIndex;
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}
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public override int Encrypt(int value, int[] secretKey, int salt)
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{
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return value ^ secretKey[_opKeyIndex] ^ salt ^ _xorValue;
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}
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public override int Decrypt(int value, int[] secretKey, int salt)
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{
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return value ^ secretKey[_opKeyIndex] ^ salt ^ _xorValue;
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}
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public override void GenerateEncryptCode(List<string> lines, string indent)
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{
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lines.Add(indent + $"value ^= _secretKey[{_opKeyIndex}] ^ salt ^ {_xorValue};");
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}
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public override void GenerateDecryptCode(List<string> lines, string indent)
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{
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lines.Add(indent + $"value ^= _secretKey[{_opKeyIndex}] ^ salt ^ {_xorValue};");
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}
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}
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}
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