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(.643A9D76937E94519B73BE072D65E79BAFF3C213).FieldHandle); BlowfishEngine.KP = array; uint[] array2 = new uint[256]; RuntimeHelpers.InitializeArray(array2, fieldof(.E117A40BF9A3AE32474AD7B22EB4C60E95D3BE2A).FieldHandle); BlowfishEngine.KS0 = array2; uint[] array3 = new uint[256]; RuntimeHelpers.InitializeArray(array3, fieldof(.6F576E8737EAAC9B6B12BDFC370048CD205E2CDD).FieldHandle); BlowfishEngine.KS1 = array3; uint[] array4 = new uint[256]; RuntimeHelpers.InitializeArray(array4, fieldof(.E2F8F75B7ABE5A6E4ECF5E32B935909BE2CC9F4B).FieldHandle); BlowfishEngine.KS2 = array4; uint[] array5 = new uint[256]; RuntimeHelpers.InitializeArray(array5, fieldof(.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; } }