niko
272 lines
9.6 KiB
C#
272 lines
9.6 KiB
C#
using System;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
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{
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// Token: 0x02001C42 RID: 7234
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[Token(Token = "0x2001C42")]
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public class TlsBlockCipher : TlsCipher
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{
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// Token: 0x17001C39 RID: 7225
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// (get) Token: 0x0600B1EE RID: 45550 RVA: 0x0026720C File Offset: 0x0026540C
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[Token(Token = "0x17001C39")]
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public virtual TlsMac WriteMac
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{
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[Token(Token = "0x600B1EE")]
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[Address(RVA = "0x41CEF0", Offset = "0x41BEF0", VA = "0x18041CEF0", Slot = "7")]
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get
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{
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return this.mWriteMac;
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}
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}
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// Token: 0x17001C3A RID: 7226
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// (get) Token: 0x0600B1EF RID: 45551 RVA: 0x00267220 File Offset: 0x00265420
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[Token(Token = "0x17001C3A")]
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public virtual TlsMac ReadMac
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{
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[Token(Token = "0x600B1EF")]
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[Address(RVA = "0x417680", Offset = "0x416680", VA = "0x180417680", Slot = "8")]
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get
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{
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return this.mReadMac;
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}
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}
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// Token: 0x0600B1F0 RID: 45552 RVA: 0x00267234 File Offset: 0x00265434
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[Token(Token = "0x600B1F0")]
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[Address(RVA = "0x49BF20", Offset = "0x49AF20", VA = "0x18049BF20")]
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public TlsBlockCipher(TlsContext context, IBlockCipher clientWriteCipher, IBlockCipher serverWriteCipher, IDigest clientWriteDigest, IDigest serverWriteDigest, int cipherKeySize)
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{
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this.context = context;
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byte[] array = new byte[256];
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this.randomData = array;
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bool flag = TlsUtilities.IsTlsV11(context);
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this.useExplicitIV = flag;
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this.encryptThenMac = flag;
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if (!this.useExplicitIV)
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{
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}
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TlsMac tlsMac;
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TlsMac tlsMac2;
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tlsMac += tlsMac2;
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byte[] array3;
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if (!this.useExplicitIV)
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{
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byte[] array2;
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tlsMac += array2;
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tlsMac += array3;
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}
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byte[] array4 = new byte[array3];
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byte[] array5 = new byte[array4];
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KeyParameter keyParameter;
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KeyParameter keyParameter2;
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if (array5 == 0)
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{
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this.mWriteMac = tlsMac;
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this.mReadMac = tlsMac2;
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this.encryptCipher = clientWriteCipher;
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this.decryptCipher = serverWriteCipher;
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ParametersWithIV parametersWithIV = new ParametersWithIV(keyParameter, array4);
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ParametersWithIV parametersWithIV2 = new ParametersWithIV(keyParameter2, array5);
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}
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this.mWriteMac = tlsMac2;
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this.mReadMac = tlsMac;
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this.encryptCipher = serverWriteCipher;
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this.decryptCipher = clientWriteCipher;
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ParametersWithIV parametersWithIV3 = new ParametersWithIV(keyParameter2, array5);
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ParametersWithIV parametersWithIV4 = new ParametersWithIV(keyParameter, array4);
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IBlockCipher blockCipher = this.encryptCipher;
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IBlockCipher blockCipher2 = this.decryptCipher;
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throw new NullReferenceException();
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}
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// Token: 0x0600B1F1 RID: 45553 RVA: 0x0026733C File Offset: 0x0026553C
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[Token(Token = "0x600B1F1")]
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[Address(RVA = "0x49BE40", Offset = "0x49AE40", VA = "0x18049BE40", Slot = "9")]
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public virtual int GetPlaintextLimit(int ciphertextLimit)
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{
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IBlockCipher blockCipher = this.encryptCipher;
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byte[] macSecret = this.mWriteMac.MacSecret;
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if (!this.encryptThenMac)
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{
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return ciphertextLimit - 1;
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}
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return ciphertextLimit - 1;
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}
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// Token: 0x0600B1F2 RID: 45554 RVA: 0x00267374 File Offset: 0x00265574
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[Token(Token = "0x600B1F2")]
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[Address(RVA = "0x49B920", Offset = "0x49A920", VA = "0x18049B920", Slot = "10")]
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public virtual byte[] EncodePlaintext(long seqNo, byte type, byte[] plaintext, int offset, int len)
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{
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IBlockCipher blockCipher = this.encryptCipher;
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byte[] macSecret = this.mWriteMac.MacSecret;
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TlsContext tlsContext = this.context;
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if (!this.encryptThenMac)
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{
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TlsContext tlsContext2 = this.context;
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}
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TlsContext tlsContext3 = this.context;
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byte[] array = new byte[this];
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int num = 0;
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if ((this.useExplicitIV ? 1 : 0) != num)
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{
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if (this.explicitIV != 0)
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{
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}
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TlsContext tlsContext4 = this.context;
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IBlockCipher blockCipher2 = this.encryptCipher;
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byte[] array2 = this.explicitIV;
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int num2;
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ParametersWithIV parametersWithIV = new ParametersWithIV(num2, array2);
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num2 = 0;
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byte[] array3 = this.explicitIV;
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}
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if (!this.encryptThenMac)
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{
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int size = this.mWriteMac.Size;
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}
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int num3 = 0;
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num3++;
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IBlockCipher blockCipher3 = this.encryptCipher;
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if (num3 < array)
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{
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num3 += num3;
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num3++;
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}
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if (this.encryptThenMac)
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{
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int size2 = this.mWriteMac.Size;
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}
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return array;
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}
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// Token: 0x0600B1F3 RID: 45555 RVA: 0x00267470 File Offset: 0x00265670
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[Token(Token = "0x600B1F3")]
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[Address(RVA = "0x49B460", Offset = "0x49A460", VA = "0x18049B460", Slot = "11")]
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public virtual byte[] DecodeCiphertext(long seqNo, byte type, byte[] ciphertext, int offset, int len)
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{
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/*
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An exception occurred when decompiling this method (0600B1F3)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsBlockCipher::DecodeCiphertext(System.Int64,System.Byte,System.Byte[],System.Int32,System.Int32)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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IL_AE:
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stloc:TlsFatalAlert(var_24_B5, newobj:TlsFatalAlert(TlsFatalAlert::.ctor, ldloc:uint64[exp:uint8](var_25)))
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}
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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
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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
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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
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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
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--- End of inner exception stack trace ---
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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
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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
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*/;
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}
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// Token: 0x0600B1F4 RID: 45556 RVA: 0x00267534 File Offset: 0x00265734
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[Token(Token = "0x600B1F4")]
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[Address(RVA = "0x49B200", Offset = "0x49A200", VA = "0x18049B200", Slot = "12")]
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protected virtual int CheckPaddingConstantTime(byte[] buf, int off, int len, int blockSize, int macSize)
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{
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int num;
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do
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{
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num = 0;
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byte b2;
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byte b = b2 + 1;
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int num2 = 0;
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bool flag;
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if (flag)
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{
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}
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int length = buf.Length;
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num2 -= (int)b;
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num2++;
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}
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while (num == 0);
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return 0;
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}
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// Token: 0x0600B1F5 RID: 45557 RVA: 0x00267570 File Offset: 0x00265770
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[Token(Token = "0x600B1F5")]
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[Address(RVA = "0x49B3B0", Offset = "0x49A3B0", VA = "0x18049B3B0", Slot = "13")]
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protected virtual int ChooseExtraPadBlocks(SecureRandom r, int max)
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{
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int num;
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return Math.Min(num, max);
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}
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// Token: 0x0600B1F6 RID: 45558 RVA: 0x0026758C File Offset: 0x0026578C
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[Token(Token = "0x600B1F6")]
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[Address(RVA = "0x49BF00", Offset = "0x49AF00", VA = "0x18049BF00", Slot = "14")]
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protected virtual int LowestBitSet(int x)
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{
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if (x != 0)
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{
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int num = 0;
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if (x == 1)
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{
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num++;
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while (x == 1)
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{
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}
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return num;
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}
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}
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return 32;
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}
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// Token: 0x040071A1 RID: 29089
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x40071A1")]
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protected readonly TlsContext context;
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// Token: 0x040071A2 RID: 29090
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x40071A2")]
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protected readonly byte[] randomData;
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// Token: 0x040071A3 RID: 29091
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x40071A3")]
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protected readonly bool useExplicitIV;
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// Token: 0x040071A4 RID: 29092
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[FieldOffset(Offset = "0x21")]
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[Token(Token = "0x40071A4")]
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protected readonly bool encryptThenMac;
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// Token: 0x040071A5 RID: 29093
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x40071A5")]
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protected readonly IBlockCipher encryptCipher;
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// Token: 0x040071A6 RID: 29094
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x40071A6")]
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protected readonly IBlockCipher decryptCipher;
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// Token: 0x040071A7 RID: 29095
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x40071A7")]
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protected readonly TlsMac mWriteMac;
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// Token: 0x040071A8 RID: 29096
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x40071A8")]
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protected readonly TlsMac mReadMac;
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// Token: 0x040071A9 RID: 29097
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[FieldOffset(Offset = "0x48")]
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[Token(Token = "0x40071A9")]
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private byte[] explicitIV;
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}
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}
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