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

376 lines
16 KiB
C#

using System;
using System.Runtime.CompilerServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
using Cpp2IlInjected;
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
{
// Token: 0x02001D64 RID: 7524
[Token(Token = "0x2001D64")]
public sealed class BlowfishEngine : IBlockCipher
{
// Token: 0x0600BAC0 RID: 47808 RVA: 0x0028CD7C File Offset: 0x0028AF7C
[Token(Token = "0x600BAC0")]
[Address(RVA = "0x2498A60", Offset = "0x2497A60", VA = "0x182498A60")]
public BlowfishEngine()
{
this.Reset();
uint[] array = new uint[BlowfishEngine.SBOX_SK];
this.S0 = array;
uint[] array2 = new uint[BlowfishEngine.SBOX_SK];
this.S1 = array2;
uint[] array3 = new uint[BlowfishEngine.SBOX_SK];
this.S2 = array3;
uint[] array4 = new uint[BlowfishEngine.SBOX_SK];
this.S3 = array4;
uint[] array5 = new uint[BlowfishEngine.P_SZ];
this.P = array5;
}
// Token: 0x0600BAC1 RID: 47809 RVA: 0x0028CDEC File Offset: 0x0028AFEC
[Token(Token = "0x600BAC1")]
[Address(RVA = "0x2497FB0", Offset = "0x2496FB0", VA = "0x182497FB0", Slot = "5")]
public void Init(bool forEncryption, ICipherParameters parameters)
{
/*
An exception occurred when decompiling this method (0600BAC1)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.BlowfishEngine::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_2C:
stloc:ArgumentException(var_5_3D, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to Blowfish init - "), ldloc:string(var_4))))
}
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: 0x17001D57 RID: 7511
// (get) Token: 0x0600BAC2 RID: 47810 RVA: 0x0028CE38 File Offset: 0x0028B038
[Token(Token = "0x17001D57")]
public string AlgorithmName
{
[Token(Token = "0x600BAC2")]
[Address(RVA = "0x2498B60", Offset = "0x2497B60", VA = "0x182498B60", Slot = "4")]
get
{
return "Blowfish";
}
}
// Token: 0x17001D58 RID: 7512
// (get) Token: 0x0600BAC3 RID: 47811 RVA: 0x0028CE4C File Offset: 0x0028B04C
[Token(Token = "0x17001D58")]
public bool IsPartialBlockOkay
{
[Token(Token = "0x600BAC3")]
[Address(RVA = "0x424690", Offset = "0x423690", VA = "0x180424690", Slot = "7")]
get
{
}
}
// Token: 0x0600BAC4 RID: 47812 RVA: 0x0028CE5C File Offset: 0x0028B05C
[Token(Token = "0x600BAC4")]
[Address(RVA = "0x2498150", Offset = "0x2497150", VA = "0x182498150", Slot = "8")]
public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
{
/*
An exception occurred when decompiling this method (0600BAC4)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.BlowfishEngine::ProcessBlock(System.Byte[],System.Int32,System.Byte[],System.Int32)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_25:
stloc:InvalidOperationException(var_1_2F, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("Blowfish 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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
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: 0x0600BAC5 RID: 47813 RVA: 0x0000220F File Offset: 0x0000040F
[Token(Token = "0x600BAC5")]
[Address(RVA = "0x4242D0", Offset = "0x4232D0", VA = "0x1804242D0", Slot = "9")]
public void Reset()
{
throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
}
// Token: 0x0600BAC6 RID: 47814 RVA: 0x0028CE98 File Offset: 0x0028B098
[Token(Token = "0x600BAC6")]
[Address(RVA = "0x681E00", Offset = "0x680E00", VA = "0x180681E00", Slot = "6")]
public int GetBlockSize()
{
return 8;
}
// Token: 0x0600BAC7 RID: 47815 RVA: 0x0028CEA8 File Offset: 0x0028B0A8
[Token(Token = "0x600BAC7")]
[Address(RVA = "0x2497EF0", Offset = "0x2496EF0", VA = "0x182497EF0")]
private uint F(uint x)
{
uint[] s = this.S0;
uint[] s2 = this.S1;
uint[] s3 = this.S2;
uint[] s4 = this.S3;
return x;
}
// Token: 0x0600BAC8 RID: 47816 RVA: 0x0028CED8 File Offset: 0x0028B0D8
[Token(Token = "0x600BAC8")]
[Address(RVA = "0x2498250", Offset = "0x2497250", VA = "0x182498250")]
private void ProcessTable(uint xl, uint xr, uint[] table)
{
int length = table.Length;
int num = 0;
if (length > 0)
{
uint[] p = this.P;
uint num2 = this.F(xl);
uint[] p2 = this.P;
uint num3 = this.F(xl);
uint[] p3 = this.P;
uint num5;
uint num4 = num5 + 1U;
uint num6 = p3[(int)num4];
num5 += (uint)2;
uint[] p4 = this.P;
num3 += (uint)1;
uint num7 = p4[(int)num3];
table[0] = num7;
table[0] = xl;
num += 2;
}
}
// Token: 0x0600BAC9 RID: 47817 RVA: 0x0028CF6C File Offset: 0x0028B16C
[Token(Token = "0x600BAC9")]
[Address(RVA = "0x2498490", Offset = "0x2497490", VA = "0x182498490")]
private void SetKey(byte[] key)
{
int num = 0;
uint[] s = this.S0;
int num2 = 0;
int num3 = 0;
int sbox_SK = BlowfishEngine.SBOX_SK;
Array.Copy(BlowfishEngine.KS0, num3, s, num2, sbox_SK);
int num4 = 0;
uint[] s2 = this.S1;
int num5 = 0;
int sbox_SK2 = BlowfishEngine.SBOX_SK;
Array.Copy(BlowfishEngine.KS1, num5, s2, num4, sbox_SK2);
int num6 = 0;
uint[] s3 = this.S2;
int num7 = 0;
int sbox_SK3 = BlowfishEngine.SBOX_SK;
Array.Copy(BlowfishEngine.KS2, num7, s3, num6, sbox_SK3);
int num8 = 0;
uint[] s4 = this.S3;
int num9 = 0;
int sbox_SK4 = BlowfishEngine.SBOX_SK;
Array.Copy(BlowfishEngine.KS3, num9, s4, num8, sbox_SK4);
int num10 = 0;
uint[] p = this.P;
int num11 = 0;
int p_SZ = BlowfishEngine.P_SZ;
Array.Copy(BlowfishEngine.KP, num11, p, num10, p_SZ);
int length = key.Length;
int length2 = key.Length;
num++;
uint[] p2 = this.P;
num++;
uint[] p3 = this.P;
int num12 = 0;
int num13 = 0;
this.ProcessTable((uint)num13, (uint)num12, p3);
uint[] p4 = this.P;
int p_SZ2 = BlowfishEngine.P_SZ;
uint num14 = this.P[p_SZ2];
uint[] s5 = this.S0;
uint num15;
this.ProcessTable(num15, num14, s5);
uint[] s6 = this.S0;
int sbox_SK5 = BlowfishEngine.SBOX_SK;
int length3 = s6.Length;
uint num16 = s6[(int)num14];
uint num17 = s6[sbox_SK5];
uint[] s7 = this.S1;
this.ProcessTable(num16, num17, s7);
uint[] s8 = this.S1;
int sbox_SK6 = BlowfishEngine.SBOX_SK;
int length4 = s8.Length;
uint num18 = s8[(int)num17];
uint num19 = s8[sbox_SK6];
uint[] s9 = this.S2;
this.ProcessTable(num18, num19, s9);
uint[] s10 = this.S2;
int sbox_SK7 = BlowfishEngine.SBOX_SK;
int length5 = s10.Length;
uint num20 = s10[(int)num19];
uint num21 = s10[sbox_SK7];
uint[] s11 = this.S3;
this.ProcessTable(num20, num21, s11);
}
// Token: 0x0600BACA RID: 47818 RVA: 0x0028D170 File Offset: 0x0028B370
[Token(Token = "0x600BACA")]
[Address(RVA = "0x2497D10", Offset = "0x2496D10", VA = "0x182497D10")]
private void EncryptBlock(byte[] src, int srcIndex, byte[] dst, int dstIndex)
{
uint num = Pack.BE_To_UInt32(src, srcIndex);
uint num2 = Pack.BE_To_UInt32(src, srcIndex);
uint[] p = this.P;
uint num3 = this.F(num);
uint[] p2 = this.P;
num = num2;
uint num4 = this.F(num);
uint[] p3 = this.P;
uint num6;
uint num5 = num6 + 1U;
uint num7 = p3[(int)num5];
num6 += (uint)2;
uint[] p4 = this.P;
num4 += (uint)1;
uint num8 = p4[(int)num4];
}
// Token: 0x0600BACB RID: 47819 RVA: 0x0028D1F4 File Offset: 0x0028B3F4
[Token(Token = "0x600BACB")]
[Address(RVA = "0x2497B50", Offset = "0x2496B50", VA = "0x182497B50")]
private void DecryptBlock(byte[] src, int srcIndex, byte[] dst, int dstIndex)
{
uint num = Pack.BE_To_UInt32(src, srcIndex);
uint num2 = Pack.BE_To_UInt32(src, srcIndex);
uint[] p = this.P;
int rounds = BlowfishEngine.ROUNDS;
int num3 = rounds + 1;
if (rounds > 0)
{
uint num4 = this.F(num);
uint[] p2 = this.P;
num = num2;
uint num5 = this.F(num);
uint[] p3 = this.P;
int num6 = rounds - 1;
}
uint num7 = this.P[0];
}
// Token: 0x0600BACC RID: 47820 RVA: 0x0028D268 File Offset: 0x0028B468
// Note: this type is marked as 'beforefieldinit'.
[Token(Token = "0x600BACC")]
[Address(RVA = "0x24988E0", Offset = "0x24978E0", VA = "0x1824988E0")]
static BlowfishEngine()
{
uint[] array = new uint[18];
RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.643A9D76937E94519B73BE072D65E79BAFF3C213).FieldHandle);
BlowfishEngine.KP = array;
uint[] array2 = new uint[256];
RuntimeHelpers.InitializeArray(array2, fieldof(<PrivateImplementationDetails>.E117A40BF9A3AE32474AD7B22EB4C60E95D3BE2A).FieldHandle);
BlowfishEngine.KS0 = array2;
uint[] array3 = new uint[256];
RuntimeHelpers.InitializeArray(array3, fieldof(<PrivateImplementationDetails>.6F576E8737EAAC9B6B12BDFC370048CD205E2CDD).FieldHandle);
BlowfishEngine.KS1 = array3;
uint[] array4 = new uint[256];
RuntimeHelpers.InitializeArray(array4, fieldof(<PrivateImplementationDetails>.E2F8F75B7ABE5A6E4ECF5E32B935909BE2CC9F4B).FieldHandle);
BlowfishEngine.KS2 = array4;
uint[] array5 = new uint[256];
RuntimeHelpers.InitializeArray(array5, fieldof(<PrivateImplementationDetails>.1C1237F52E2ED7B4D229AE3978DA144B9E653F5E).FieldHandle);
BlowfishEngine.KS3 = array5;
int num = BlowfishEngine.ROUNDS;
num += 2;
BlowfishEngine.P_SZ = num;
}
// Token: 0x040075BC RID: 30140
[Token(Token = "0x40075BC")]
private static readonly uint[] KP;
// Token: 0x040075BD RID: 30141
[Token(Token = "0x40075BD")]
private static readonly uint[] KS0;
// Token: 0x040075BE RID: 30142
[Token(Token = "0x40075BE")]
private static readonly uint[] KS1;
// Token: 0x040075BF RID: 30143
[Token(Token = "0x40075BF")]
private static readonly uint[] KS2;
// Token: 0x040075C0 RID: 30144
[Token(Token = "0x40075C0")]
private static readonly uint[] KS3;
// Token: 0x040075C1 RID: 30145
[Token(Token = "0x40075C1")]
private static readonly int ROUNDS;
// Token: 0x040075C2 RID: 30146
[Token(Token = "0x40075C2")]
private const int BLOCK_SIZE = 8;
// Token: 0x040075C3 RID: 30147
[Token(Token = "0x40075C3")]
private static readonly int SBOX_SK;
// Token: 0x040075C4 RID: 30148
[Token(Token = "0x40075C4")]
private static readonly int P_SZ;
// Token: 0x040075C5 RID: 30149
[FieldOffset(Offset = "0x10")]
[Token(Token = "0x40075C5")]
private readonly uint[] S0;
// Token: 0x040075C6 RID: 30150
[FieldOffset(Offset = "0x18")]
[Token(Token = "0x40075C6")]
private readonly uint[] S1;
// Token: 0x040075C7 RID: 30151
[FieldOffset(Offset = "0x20")]
[Token(Token = "0x40075C7")]
private readonly uint[] S2;
// Token: 0x040075C8 RID: 30152
[FieldOffset(Offset = "0x28")]
[Token(Token = "0x40075C8")]
private readonly uint[] S3;
// Token: 0x040075C9 RID: 30153
[FieldOffset(Offset = "0x30")]
[Token(Token = "0x40075C9")]
private readonly uint[] P;
// Token: 0x040075CA RID: 30154
[FieldOffset(Offset = "0x38")]
[Token(Token = "0x40075CA")]
private bool encrypting;
// Token: 0x040075CB RID: 30155
[FieldOffset(Offset = "0x40")]
[Token(Token = "0x40075CB")]
private byte[] workingKey;
}
}