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obfuz
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change: warning when GenerateEncryptionOpCodes exceeds uint.MaxValue

before-split
walon 2025-05-18 17:09:56 +08:00
parent 274f827493
commit 45a07bc2ae
1 changed files with 9 additions and 4 deletions
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13
Obfuz/Packages/com.code-philosophy.obfuz/Editor/Utils/EncryptionUtil.cs
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@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Text; using System.Text;
using System.Threading.Tasks; using System.Threading.Tasks;
using UnityEngine;
namespace Obfuz.Utils namespace Obfuz.Utils
{ {
@ -29,13 +30,17 @@ namespace Obfuz.Utils
long ops = 0; long ops = 0;
for (int i = 0; i < encryptionLevel; i++) for (int i = 0; i < encryptionLevel; i++)
{ {
ops *= vmOpCodeCount; long newOps = ops * vmOpCodeCount;
// don't use 0 // don't use 0
int op = random.NextInt(1, vmOpCodeCount); int op = random.NextInt(1, vmOpCodeCount);
ops |= (uint)op; newOps |= (uint)op;
if (ops > uint.MaxValue) if (newOps > uint.MaxValue)
{ {
throw new Exception($"OpCode overflow. encryptionLevel:{encryptionLevel}, vmOpCodeCount:{vmOpCodeCount}"); Debug.LogWarning($"OpCode overflow. encryptionLevel:{encryptionLevel}, vmOpCodeCount:{vmOpCodeCount}");
}
else
{
ops = newOps;
} }
} }
return (int)ops; return (int)ops;