Files
Jan2021-Cpp2Il-Dump/Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Tls/TlsAeadCipher.cs
T
2026-04-08 23:40:05 +02:00

242 lines
9.7 KiB
C#

using System;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using Cpp2IlInjected;
using Hjg.Pngcs;
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
{
// Token: 0x02001582 RID: 5506
[Token(Token = "0x2001582")]
[StructLayout(3)]
public class TlsAeadCipher : TlsCipher
{
// Token: 0x0600923D RID: 37437 RVA: 0x002067D8 File Offset: 0x002049D8
[Token(Token = "0x600923D")]
[Address(RVA = "0x1E8EA40", Offset = "0x1E8D440", VA = "0x181E8EA40")]
public TlsAeadCipher(TlsContext context, IAeadBlockCipher clientWriteCipher, IAeadBlockCipher serverWriteCipher, int cipherKeySize, int macSize)
{
}
// Token: 0x0600923E RID: 37438 RVA: 0x002067E8 File Offset: 0x002049E8
[Token(Token = "0x600923E")]
[Address(RVA = "0x1E8EA70", Offset = "0x1E8D470", VA = "0x181E8EA70")]
internal TlsAeadCipher(TlsContext context, IAeadBlockCipher clientWriteCipher, IAeadBlockCipher serverWriteCipher, int cipherKeySize, int macSize, int nonceMode)
{
/*
An exception occurred when decompiling this method (0600923E)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsAeadCipher::.ctor(BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsContext,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.IAeadBlockCipher,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.IAeadBlockCipher,System.Int32,System.Int32,System.Int32)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_82:
stloc:TlsFatalAlert(var_12_89, newobj:TlsFatalAlert(TlsFatalAlert::.ctor, ldloc:uint64[exp:uint8](var_13)))
stloc:TlsFatalAlert(var_14_92, newobj:TlsFatalAlert(TlsFatalAlert::.ctor, ldloc:uint64[exp:uint8](var_15)))
}
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: 0x0600923F RID: 37439 RVA: 0x00206888 File Offset: 0x00204A88
[Token(Token = "0x600923F")]
[Address(RVA = "0x1E8EA30", Offset = "0x1E8D430", VA = "0x181E8EA30", Slot = "7")]
public virtual int GetPlaintextLimit(int ciphertextLimit)
{
return ciphertextLimit;
}
// Token: 0x06009240 RID: 37440 RVA: 0x00206898 File Offset: 0x00204A98
[Token(Token = "0x6009240")]
[Address(RVA = "0x1E8E530", Offset = "0x1E8CF30", VA = "0x181E8E530", Slot = "8")]
public virtual byte[] EncodePlaintext(long seqNo, byte type, byte[] plaintext, int offset, int len)
{
byte[] array2;
byte[] array4;
for (;;)
{
byte[] array = this.encryptImplicitNonce;
int num = this.record_iv_length;
int length = array.Length;
num += length;
array2 = new byte[num];
int num2 = this.nonceMode;
if (num2 == 1)
{
byte[] array3 = this.encryptImplicitNonce;
int length2 = array3.Length;
int num3 = 0;
int num4 = 0;
Array.Copy(array3, num4, array2, num3, length2);
int length3 = this.encryptImplicitNonce.Length;
TlsUtilities.WriteUint64(seqNo, array2, length3);
IAeadBlockCipher aeadBlockCipher = this.encryptCipher;
int num5 = this.record_iv_length;
num5 += num2;
array4 = new byte[num5];
int num6 = this.record_iv_length;
if (num6 != 0)
{
int num7 = array2.Length;
num7 -= num6;
int num8 = 0;
Array.Copy(array2, num7, array4, num8, num6);
}
int num9 = this.macSize;
IAeadBlockCipher aeadBlockCipher2 = this.encryptCipher;
IAeadBlockCipher aeadBlockCipher3 = this.encryptCipher;
IAeadBlockCipher aeadBlockCipher4 = this.encryptCipher;
AeadParameters aeadParameters;
num9 += aeadParameters;
if (num9 == array4.Length)
{
break;
}
}
else if (num2 == 2)
{
goto Block_3;
}
}
return array4;
Block_3:
int length4 = array2.Length;
TlsUtilities.WriteUint64(seqNo, array2, length4);
int num10 = 0;
int i = 0;
byte[] array5 = this.encryptImplicitNonce;
while (i >= array5.Length)
{
}
num10++;
byte[] array6 = this.encryptImplicitNonce;
throw new NullReferenceException();
}
// Token: 0x06009241 RID: 37441 RVA: 0x002069E0 File Offset: 0x00204BE0
[Token(Token = "0x6009241")]
[Address(RVA = "0x1E8E110", Offset = "0x1E8CB10", VA = "0x181E8E110", Slot = "9")]
public virtual byte[] DecodeCiphertext(long seqNo, byte type, byte[] ciphertext, int offset, int len)
{
byte[] array6;
for (;;)
{
byte[] array = this.decryptImplicitNonce;
int num = this.record_iv_length;
int length = array.Length;
num += length;
byte[] array2 = new byte[num];
int num2 = this.nonceMode;
if (num2 == 1)
{
byte[] array3 = this.decryptImplicitNonce;
int length2 = array3.Length;
int num3 = 0;
int num4 = 0;
Array.Copy(array3, num4, array2, num3, length2);
int num5 = this.record_iv_length;
int num6 = array2.Length;
num6 -= num5;
Array.Copy(ciphertext, (int)seqNo, array2, num6, num5);
}
if (num2 == 2)
{
int length3 = array2.Length;
TlsUtilities.WriteUint64(seqNo, array2, length3);
int num7 = 0;
int num8 = 0;
byte[] array4 = this.decryptImplicitNonce;
if (num8 < array4.Length)
{
num7++;
byte[] array5 = this.decryptImplicitNonce;
}
int num9 = this.record_iv_length;
IAeadBlockCipher aeadBlockCipher = this.decryptCipher;
array6 = new byte[num9];
IAeadBlockCipher aeadBlockCipher2 = this.decryptCipher;
IAeadBlockCipher aeadBlockCipher3 = this.decryptCipher;
IAeadBlockCipher aeadBlockCipher4 = this.decryptCipher;
AeadParameters aeadParameters;
aeadParameters += aeadParameters;
if (aeadParameters == array6.Length)
{
break;
}
}
}
return array6;
}
// Token: 0x06009242 RID: 37442 RVA: 0x00206B00 File Offset: 0x00204D00
[Token(Token = "0x6009242")]
[Address(RVA = "0x1E8E930", Offset = "0x1E8D330", VA = "0x181E8E930", Slot = "10")]
protected virtual byte[] GetAdditionalData(long seqNo, byte type, int len)
{
byte[] array = new byte[13];
int num = 0;
TlsUtilities.WriteUint64(seqNo, array, num);
TlsUtilities.WriteUint8(type, array, 8);
TlsContext tlsContext = this.context;
PngHelperInternal.WriteInt2tobytes(len, array, 11);
return array;
}
// Token: 0x0400619B RID: 24987
[Token(Token = "0x400619B")]
public const int NONCE_RFC5288 = 1;
// Token: 0x0400619C RID: 24988
[Token(Token = "0x400619C")]
internal const int NONCE_DRAFT_CHACHA20_POLY1305 = 2;
// Token: 0x0400619D RID: 24989
[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
[Token(Token = "0x400619D")]
protected readonly TlsContext context;
// Token: 0x0400619E RID: 24990
[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
[Token(Token = "0x400619E")]
protected readonly int macSize;
// Token: 0x0400619F RID: 24991
[global::Cpp2IlInjected.FieldOffset(Offset = "0x1C")]
[Token(Token = "0x400619F")]
protected readonly int record_iv_length;
// Token: 0x040061A0 RID: 24992
[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
[Token(Token = "0x40061A0")]
protected readonly IAeadBlockCipher encryptCipher;
// Token: 0x040061A1 RID: 24993
[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
[Token(Token = "0x40061A1")]
protected readonly IAeadBlockCipher decryptCipher;
// Token: 0x040061A2 RID: 24994
[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
[Token(Token = "0x40061A2")]
protected readonly byte[] encryptImplicitNonce;
// Token: 0x040061A3 RID: 24995
[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
[Token(Token = "0x40061A3")]
protected readonly byte[] decryptImplicitNonce;
// Token: 0x040061A4 RID: 24996
[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
[Token(Token = "0x40061A4")]
protected readonly int nonceMode;
}
}