using System; using System.Runtime.CompilerServices; using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities; using Cpp2IlInjected; namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines { // Token: 0x02001C84 RID: 7300 [Token(Token = "0x2001C84")] public sealed class BlowfishEngine : IBlockCipher { // Token: 0x0600B6F2 RID: 46834 RVA: 0x00283C70 File Offset: 0x00281E70 [Token(Token = "0x600B6F2")] [Address(RVA = "0x1A69EB0", Offset = "0x1A68CB0", VA = "0x181A69EB0")] 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: 0x0600B6F3 RID: 46835 RVA: 0x00283CE0 File Offset: 0x00281EE0 [Token(Token = "0x600B6F3")] [Address(RVA = "0x1A69400", Offset = "0x1A68200", VA = "0x181A69400", Slot = "5")] public void Init(bool forEncryption, ICipherParameters parameters) { /* An exception occurred when decompiling this method (0600B6F3) 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: 0x17001CBA RID: 7354 // (get) Token: 0x0600B6F4 RID: 46836 RVA: 0x00283D2C File Offset: 0x00281F2C [Token(Token = "0x17001CBA")] public string AlgorithmName { [Token(Token = "0x600B6F4")] [Address(RVA = "0x1A69FB0", Offset = "0x1A68DB0", VA = "0x181A69FB0", Slot = "4")] get { return "Blowfish"; } } // Token: 0x17001CBB RID: 7355 // (get) Token: 0x0600B6F5 RID: 46837 RVA: 0x00283D40 File Offset: 0x00281F40 [Token(Token = "0x17001CBB")] public bool IsPartialBlockOkay { [Token(Token = "0x600B6F5")] [Address(RVA = "0x403930", Offset = "0x402730", VA = "0x180403930", Slot = "7")] get { } } // Token: 0x0600B6F6 RID: 46838 RVA: 0x00283D50 File Offset: 0x00281F50 [Token(Token = "0x600B6F6")] [Address(RVA = "0x1A695A0", Offset = "0x1A683A0", VA = "0x181A695A0", Slot = "8")] public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff) { /* An exception occurred when decompiling this method (0600B6F6) 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: 0x0600B6F7 RID: 46839 RVA: 0x0000220F File Offset: 0x0000040F [Token(Token = "0x600B6F7")] [Address(RVA = "0x402080", Offset = "0x400E80", VA = "0x180402080", Slot = "9")] public void Reset() { throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method."); } // Token: 0x0600B6F8 RID: 46840 RVA: 0x00283D8C File Offset: 0x00281F8C [Token(Token = "0x600B6F8")] [Address(RVA = "0x4101D0", Offset = "0x40EFD0", VA = "0x1804101D0", Slot = "6")] public int GetBlockSize() { return 8; } // Token: 0x0600B6F9 RID: 46841 RVA: 0x00283D9C File Offset: 0x00281F9C [Token(Token = "0x600B6F9")] [Address(RVA = "0x1A69340", Offset = "0x1A68140", VA = "0x181A69340")] private uint F(uint x) { uint[] s = this.S0; uint[] s2 = this.S1; uint[] s3 = this.S2; uint[] s4 = this.S3; return x; } // Token: 0x0600B6FA RID: 46842 RVA: 0x00283DCC File Offset: 0x00281FCC [Token(Token = "0x600B6FA")] [Address(RVA = "0x1A696A0", Offset = "0x1A684A0", VA = "0x181A696A0")] 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: 0x0600B6FB RID: 46843 RVA: 0x00283E60 File Offset: 0x00282060 [Token(Token = "0x600B6FB")] [Address(RVA = "0x1A698E0", Offset = "0x1A686E0", VA = "0x181A698E0")] 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: 0x0600B6FC RID: 46844 RVA: 0x00284064 File Offset: 0x00282264 [Token(Token = "0x600B6FC")] [Address(RVA = "0x1A69160", Offset = "0x1A67F60", VA = "0x181A69160")] 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: 0x0600B6FD RID: 46845 RVA: 0x002840E8 File Offset: 0x002822E8 [Token(Token = "0x600B6FD")] [Address(RVA = "0x1A68FA0", Offset = "0x1A67DA0", VA = "0x181A68FA0")] 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: 0x0600B6FE RID: 46846 RVA: 0x0028415C File Offset: 0x0028235C // Note: this type is marked as 'beforefieldinit'. [Token(Token = "0x600B6FE")] [Address(RVA = "0x1A69D30", Offset = "0x1A68B30", VA = "0x181A69D30")] 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: 0x04007403 RID: 29699 [Token(Token = "0x4007403")] private static readonly uint[] KP; // Token: 0x04007404 RID: 29700 [Token(Token = "0x4007404")] private static readonly uint[] KS0; // Token: 0x04007405 RID: 29701 [Token(Token = "0x4007405")] private static readonly uint[] KS1; // Token: 0x04007406 RID: 29702 [Token(Token = "0x4007406")] private static readonly uint[] KS2; // Token: 0x04007407 RID: 29703 [Token(Token = "0x4007407")] private static readonly uint[] KS3; // Token: 0x04007408 RID: 29704 [Token(Token = "0x4007408")] private static readonly int ROUNDS; // Token: 0x04007409 RID: 29705 [Token(Token = "0x4007409")] private const int BLOCK_SIZE = 8; // Token: 0x0400740A RID: 29706 [Token(Token = "0x400740A")] private static readonly int SBOX_SK; // Token: 0x0400740B RID: 29707 [Token(Token = "0x400740B")] private static readonly int P_SZ; // Token: 0x0400740C RID: 29708 [FieldOffset(Offset = "0x10")] [Token(Token = "0x400740C")] private readonly uint[] S0; // Token: 0x0400740D RID: 29709 [FieldOffset(Offset = "0x18")] [Token(Token = "0x400740D")] private readonly uint[] S1; // Token: 0x0400740E RID: 29710 [FieldOffset(Offset = "0x20")] [Token(Token = "0x400740E")] private readonly uint[] S2; // Token: 0x0400740F RID: 29711 [FieldOffset(Offset = "0x28")] [Token(Token = "0x400740F")] private readonly uint[] S3; // Token: 0x04007410 RID: 29712 [FieldOffset(Offset = "0x30")] [Token(Token = "0x4007410")] private readonly uint[] P; // Token: 0x04007411 RID: 29713 [FieldOffset(Offset = "0x38")] [Token(Token = "0x4007411")] private bool encrypting; // Token: 0x04007412 RID: 29714 [FieldOffset(Offset = "0x40")] [Token(Token = "0x4007412")] private byte[] workingKey; } }