Files
27Aug2021-Cpp2IL-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Engines/RC6Engine.cs
T
niko c12fbe3fc6 m
2026-04-12 16:51:38 +02:00

334 lines
13 KiB
C#

using System;
using Cpp2IlInjected;
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
{
// Token: 0x02001D80 RID: 7552
[Token(Token = "0x2001D80")]
public class RC6Engine : IBlockCipher
{
// Token: 0x0600BC15 RID: 48149 RVA: 0x00298120 File Offset: 0x00296320
[Token(Token = "0x600BC15")]
[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
public RC6Engine()
{
this.Reset();
}
// Token: 0x17001D80 RID: 7552
// (get) Token: 0x0600BC16 RID: 48150 RVA: 0x00298134 File Offset: 0x00296334
[Token(Token = "0x17001D80")]
public virtual string AlgorithmName
{
[Token(Token = "0x600BC16")]
[Address(RVA = "0x2731D20", Offset = "0x2730D20", VA = "0x182731D20", Slot = "10")]
get
{
return "RC6";
}
}
// Token: 0x17001D81 RID: 7553
// (get) Token: 0x0600BC17 RID: 48151 RVA: 0x00298148 File Offset: 0x00296348
[Token(Token = "0x17001D81")]
public virtual bool IsPartialBlockOkay
{
[Token(Token = "0x600BC17")]
[Address(RVA = "0x424690", Offset = "0x423690", VA = "0x180424690", Slot = "11")]
get
{
}
}
// Token: 0x0600BC18 RID: 48152 RVA: 0x00298158 File Offset: 0x00296358
[Token(Token = "0x600BC18")]
[Address(RVA = "0x2731360", Offset = "0x2730360", VA = "0x182731360", Slot = "12")]
public virtual int GetBlockSize()
{
return RC6Engine.bytesPerWord;
}
// Token: 0x0600BC19 RID: 48153 RVA: 0x0029816C File Offset: 0x0029636C
[Token(Token = "0x600BC19")]
[Address(RVA = "0x27313C0", Offset = "0x27303C0", VA = "0x1827313C0", Slot = "13")]
public virtual void Init(bool forEncryption, ICipherParameters parameters)
{
/*
An exception occurred when decompiling this method (0600BC19)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC6Engine::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_1F:
stloc:ArgumentException(var_4_2F, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to RC6 init - "), ldloc:string(var_3))))
}
at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
--- End of inner exception stack trace ---
at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
*/;
}
// Token: 0x0600BC1A RID: 48154 RVA: 0x002981AC File Offset: 0x002963AC
[Token(Token = "0x600BC1A")]
[Address(RVA = "0x2731520", Offset = "0x2730520", VA = "0x182731520", Slot = "14")]
public virtual int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
{
/*
An exception occurred when decompiling this method (0600BC1A)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.RC6Engine::ProcessBlock(System.Byte[],System.Int32,System.Byte[],System.Int32)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_2C:
stloc:InvalidOperationException(var_4_36, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("RC6 engine not initialised")))
}
at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
--- End of inner exception stack trace ---
at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
*/;
}
// Token: 0x0600BC1B RID: 48155 RVA: 0x0000220F File Offset: 0x0000040F
[Token(Token = "0x600BC1B")]
[Address(RVA = "0x4242D0", Offset = "0x4232D0", VA = "0x1804242D0", Slot = "15")]
public virtual void Reset()
{
throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
}
// Token: 0x0600BC1C RID: 48156 RVA: 0x002981F0 File Offset: 0x002963F0
[Token(Token = "0x600BC1C")]
[Address(RVA = "0x2731730", Offset = "0x2730730", VA = "0x182731730")]
private void SetKey(byte[] key)
{
int num = RC6Engine.bytesPerWord;
int num2 = key.Length;
num2 += num;
int[] array = new int[num2];
num2 = key.Length;
int num3 = array[num2];
byte b = (byte)((int)b + num3);
array[0] = (int)b;
int[] array2 = new int[RC6Engine._noRounds];
this._S = array2;
int p = RC6Engine.P32;
array2[0] = p;
int[] s = this._S;
uint num4;
int[] s2;
if (num4 < (uint)s.Length)
{
int length = s.Length;
uint num5 = num4 - 1U;
int num6 = s[(int)num5];
int length2 = s.Length;
num4 += (uint)1;
int num7 = RC6Engine.Q32;
num7 += num6;
s[0] = num7;
s2 = this._S;
}
int length3 = s2.Length;
if (array.Length > length3)
{
}
int num8 = 0;
if (s2 > 0)
{
int num9 = s2[num8];
num9 += num8;
num9 += num8;
int num10 = RC6Engine.wordSize;
int num11 = num10 - 1;
num10 -= num11;
s2[0] = num9;
int num12 = array[num8];
num12 += num9;
num12 += num8;
int num13 = RC6Engine.wordSize;
int num14 = num13 - 1;
num13 -= num14;
array[0] = num12;
num8++;
}
}
// Token: 0x0600BC1D RID: 48157 RVA: 0x00298350 File Offset: 0x00296550
[Token(Token = "0x600BC1D")]
[Address(RVA = "0x2730C50", Offset = "0x272FC50", VA = "0x182730C50")]
private int EncryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
{
int num = this.BytesToWord(input, inOff);
int num2 = RC6Engine.bytesPerWord;
num2 += inOff;
int num3 = this.BytesToWord(input, num2);
int num4 = this.BytesToWord(input, num2);
int num5 = RC6Engine.bytesPerWord;
num5 += typeof(RC6Engine).TypeHandle;
int num6 = this.BytesToWord(input, num5);
int length = this._S.Length;
int num7 = RC6Engine.wordSize;
int num8 = num7 - 1;
num7 -= num8;
int num9 = RC6Engine.wordSize;
int num10 = num9 - 1;
num9 -= num10;
int[] s = this._S;
int num11 = RC6Engine.wordSize;
int num12 = num11 - 1;
num11 -= num12;
ulong num14;
ulong num13 = num14 + 1UL;
int num15 = RC6Engine.wordSize;
int num16 = num15 - 1;
num15 -= num16;
uint num17;
num17 += (uint)1;
int num18 = RC6Engine._noRounds;
num18 += num18;
num18 += 3;
num3 += num16;
int num19 = RC6Engine.bytesPerWord;
int num20 = 0;
int num21 = RC6Engine.bytesPerWord;
if (num20 < num21)
{
num20++;
}
int num22 = RC6Engine.bytesPerWord;
if (num20 < num22)
{
num20++;
}
int num23 = RC6Engine.bytesPerWord;
if (num20 < num23)
{
num20++;
}
return 0;
}
// Token: 0x0600BC1E RID: 48158 RVA: 0x00298488 File Offset: 0x00296688
[Token(Token = "0x600BC1E")]
[Address(RVA = "0x2730880", Offset = "0x272F880", VA = "0x182730880")]
private int DecryptBlock(byte[] input, int inOff, byte[] outBytes, int outOff)
{
int num = this.BytesToWord(input, inOff);
int num2 = RC6Engine.bytesPerWord;
num2 += inOff;
int num3 = this.BytesToWord(input, num2);
int num4 = this.BytesToWord(input, num2);
int num5 = RC6Engine.bytesPerWord;
num5 += typeof(RC6Engine).TypeHandle;
int num6 = this.BytesToWord(input, num5);
int length = this._S.Length;
int noRounds = RC6Engine._noRounds;
num6 = num4;
int num7 = num4 * num;
int lgw = RC6Engine.LGW;
num7 = this.RotateLeft(num7, lgw);
int num8 = RC6Engine.LGW;
int[] s = this._S;
int num9 = inOff + 1;
num8 = num7;
num7 = this.RotateRight(num3, num8);
int[] s2 = this._S;
num3 = num6;
int num10;
num = this.RotateRight(num3, num10);
int[] s3 = this._S;
int num11 = s3[0];
num -= num11;
int num12 = RC6Engine.bytesPerWord;
int num13 = RC6Engine.bytesPerWord;
num13 += typeof(RC6Engine).TypeHandle;
return RC6Engine.bytesPerWord;
}
// Token: 0x0600BC1F RID: 48159 RVA: 0x0029858C File Offset: 0x0029678C
[Token(Token = "0x600BC1F")]
[Address(RVA = "0x2731630", Offset = "0x2730630", VA = "0x182731630")]
private int RotateLeft(int x, int y)
{
int num = RC6Engine.wordSize;
int num2 = num - 1;
num -= num2;
return x;
}
// Token: 0x0600BC20 RID: 48160 RVA: 0x002985AC File Offset: 0x002967AC
[Token(Token = "0x600BC20")]
[Address(RVA = "0x27316B0", Offset = "0x27306B0", VA = "0x1827316B0")]
private int RotateRight(int x, int y)
{
int num = RC6Engine.wordSize;
int num2 = num - 1;
num -= num2;
return x;
}
// Token: 0x0600BC21 RID: 48161 RVA: 0x002985CC File Offset: 0x002967CC
[Token(Token = "0x600BC21")]
[Address(RVA = "0x27307C0", Offset = "0x272F7C0", VA = "0x1827307C0")]
private int BytesToWord(byte[] src, int srcOff)
{
int num = 0;
byte b = src[src];
return num + (int)b;
}
// Token: 0x0600BC22 RID: 48162 RVA: 0x002985F0 File Offset: 0x002967F0
[Token(Token = "0x600BC22")]
[Address(RVA = "0x2731BB0", Offset = "0x2730BB0", VA = "0x182731BB0")]
private void WordToBytes(int word, byte[] dst, int dstOff)
{
}
// Token: 0x0400768F RID: 30351
[Token(Token = "0x400768F")]
private static readonly int wordSize;
// Token: 0x04007690 RID: 30352
[Token(Token = "0x4007690")]
private static readonly int bytesPerWord = RC6Engine.wordSize;
// Token: 0x04007691 RID: 30353
[Token(Token = "0x4007691")]
private static readonly int _noRounds;
// Token: 0x04007692 RID: 30354
[FieldOffset(Offset = "0x10")]
[Token(Token = "0x4007692")]
private int[] _S;
// Token: 0x04007693 RID: 30355
[Token(Token = "0x4007693")]
private static readonly int P32;
// Token: 0x04007694 RID: 30356
[Token(Token = "0x4007694")]
private static readonly int Q32;
// Token: 0x04007695 RID: 30357
[Token(Token = "0x4007695")]
private static readonly int LGW;
// Token: 0x04007696 RID: 30358
[FieldOffset(Offset = "0x18")]
[Token(Token = "0x4007696")]
private bool forEncryption;
}
}