Files
2026-04-10 22:50:51 +02:00

271 lines
9.6 KiB
C#

using System;
using System.Runtime.CompilerServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using Cpp2IlInjected;
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Encodings
{
// Token: 0x02001CBC RID: 7356
[Token(Token = "0x2001CBC")]
public class ISO9796d1Encoding : IAsymmetricBlockCipher
{
// Token: 0x0600B967 RID: 47463 RVA: 0x0029A444 File Offset: 0x00298644
[Token(Token = "0x600B967")]
[Address(RVA = "0x3FFB80", Offset = "0x3FE980", VA = "0x1803FFB80")]
public ISO9796d1Encoding(IAsymmetricBlockCipher cipher)
{
this.engine = cipher;
}
// Token: 0x17001D03 RID: 7427
// (get) Token: 0x0600B968 RID: 47464 RVA: 0x0029A460 File Offset: 0x00298660
[Token(Token = "0x17001D03")]
public string AlgorithmName
{
[Token(Token = "0x600B968")]
[Address(RVA = "0x1A740B0", Offset = "0x1A72EB0", VA = "0x181A740B0", Slot = "4")]
get
{
IAsymmetricBlockCipher asymmetricBlockCipher = this.engine;
return 0 + "/ISO9796-1Padding";
}
}
// Token: 0x0600B969 RID: 47465 RVA: 0x0029A488 File Offset: 0x00298688
[Token(Token = "0x600B969")]
[Address(RVA = "0x3F6E20", Offset = "0x3F5C20", VA = "0x1803F6E20")]
public IAsymmetricBlockCipher GetUnderlyingCipher()
{
return this.engine;
}
// Token: 0x0600B96A RID: 47466 RVA: 0x0029A49C File Offset: 0x0029869C
[Token(Token = "0x600B96A")]
[Address(RVA = "0x1A73D30", Offset = "0x1A72B30", VA = "0x181A73D30", Slot = "5")]
public void Init(bool forEncryption, ICipherParameters parameters)
{
while (parameters != 0)
{
if ((parameters != 0 || parameters != 0) && parameters != 0 && parameters != 0)
{
if (parameters == 0)
{
IL_2A:
IAsymmetricBlockCipher asymmetricBlockCipher = this.engine;
this.modulus = (uint)1;
this.forEncryption = forEncryption;
int num;
this.bitSize = num;
return;
}
if (parameters != 0)
{
break;
}
}
}
goto IL_2A;
}
// Token: 0x0600B96B RID: 47467 RVA: 0x0029A4F8 File Offset: 0x002986F8
[Token(Token = "0x600B96B")]
[Address(RVA = "0x1A73C70", Offset = "0x1A72A70", VA = "0x181A73C70", Slot = "6")]
public int GetInputBlockSize()
{
IAsymmetricBlockCipher asymmetricBlockCipher = this.engine;
if (this.inverse != (ulong)0L)
{
}
throw new NullReferenceException();
}
// Token: 0x0600B96C RID: 47468 RVA: 0x0029A51C File Offset: 0x0029871C
[Token(Token = "0x600B96C")]
[Address(RVA = "0x1A73CD0", Offset = "0x1A72AD0", VA = "0x181A73CD0", Slot = "7")]
public int GetOutputBlockSize()
{
IAsymmetricBlockCipher asymmetricBlockCipher = this.engine;
if (this.inverse == (ulong)0L)
{
}
throw new NullReferenceException();
}
// Token: 0x0600B96D RID: 47469 RVA: 0x0029A540 File Offset: 0x00298740
[Token(Token = "0x600B96D")]
[Address(RVA = "0x1A73F50", Offset = "0x1A72D50", VA = "0x181A73F50")]
public void SetPadBits(int padBits)
{
this.padBits = padBits;
}
// Token: 0x0600B96E RID: 47470 RVA: 0x0029A560 File Offset: 0x00298760
[Token(Token = "0x600B96E")]
[Address(RVA = "0x3F7310", Offset = "0x3F6110", VA = "0x1803F7310")]
public int GetPadBits()
{
return this.padBits;
}
// Token: 0x0600B96F RID: 47471 RVA: 0x0029A574 File Offset: 0x00298774
[Token(Token = "0x600B96F")]
[Address(RVA = "0x1A73F20", Offset = "0x1A72D20", VA = "0x181A73F20", Slot = "8")]
public byte[] ProcessBlock(byte[] input, int inOff, int length)
{
if (this.inverse == (ulong)0L)
{
return this.DecodeBlock(input, inOff, length);
}
return this.EncodeBlock(input, inOff, length);
}
// Token: 0x0600B970 RID: 47472 RVA: 0x0029A5A0 File Offset: 0x002987A0
[Token(Token = "0x600B970")]
[Address(RVA = "0x1A738E0", Offset = "0x1A726E0", VA = "0x181A738E0")]
private byte[] EncodeBlock(byte[] input, int inOff, int inLen)
{
int num = this.bitSize;
num += 7;
byte[] array = new byte[input];
int num2 = this.padBits;
int num3 = this.bitSize;
num2++;
num3 += 13;
int num4 = 0;
num3 += input;
if (num3 > 0)
{
num3 -= inLen;
int num5 = array.Length;
num5 -= num4;
num5 -= inLen;
int num6 = array.Length;
num6 -= inLen;
num4 += inLen;
num3 = inLen - inLen;
}
int num7 = array.Length;
num7 -= num3;
int length = array.Length;
int num8;
if (num7 != length)
{
num3 = num7;
num3 -= 0;
num3 -= num3;
num8 = ISO9796d1Encoding.shadows.Length;
num8 = num7;
num8++;
num7 += 2;
}
byte b;
num8 -= (int)b;
int length2 = array.Length;
if (length2 - 1 < length2)
{
}
uint num9;
byte b2;
num9 -= (uint)b2;
int length3 = array.Length;
if (num9 == (uint)8)
{
array[0] = (byte)((ulong)0L);
}
uint num10;
array[0] = (byte)num10;
uint num11;
array[0] = (byte)num11;
int num12 = 0;
int num13 = array.Length;
num13 -= num12;
throw new NullReferenceException();
}
// Token: 0x0600B971 RID: 47473 RVA: 0x0029A6B8 File Offset: 0x002988B8
[Token(Token = "0x600B971")]
[Address(RVA = "0x1A732E0", Offset = "0x1A720E0", VA = "0x181A732E0")]
private byte[] DecodeBlock(byte[] input, int inOff, int inLen)
{
/*
An exception occurred when decompiling this method (0600B971)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Encodings.ISO9796d1Encoding::DecodeBlock(System.Byte[],System.Int32,System.Int32)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_140:
stloc:InvalidCipherTextException(var_33_14A, newobj:InvalidCipherTextException(InvalidCipherTextException::.ctor, ldstr:string("resulting integer iS or (modulus - iS) is not congruent to 6 mod 16")))
}
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: 0x0600B972 RID: 47474 RVA: 0x0029A810 File Offset: 0x00298A10
// Note: this type is marked as 'beforefieldinit'.
[Token(Token = "0x600B972")]
[Address(RVA = "0x1A73FC0", Offset = "0x1A72DC0", VA = "0x181A73FC0")]
static ISO9796d1Encoding()
{
BigInteger bigInteger;
ISO9796d1Encoding.Sixteen = bigInteger;
BigInteger bigInteger2;
ISO9796d1Encoding.Six = bigInteger2;
byte[] array = new byte[16];
RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.27C3AB82CCA6CE2F199F4F670BF19513A3825B87).FieldHandle);
ISO9796d1Encoding.shadows = array;
byte[] array2 = new byte[16];
RuntimeHelpers.InitializeArray(array2, fieldof(<PrivateImplementationDetails>.30F65A149AF7DE938A9287048498B966AEBE54D4).FieldHandle);
ISO9796d1Encoding.inverse = array2;
}
// Token: 0x04007602 RID: 30210
[Token(Token = "0x4007602")]
private static readonly BigInteger Sixteen;
// Token: 0x04007603 RID: 30211
[Token(Token = "0x4007603")]
private static readonly BigInteger Six;
// Token: 0x04007604 RID: 30212
[Token(Token = "0x4007604")]
private static readonly byte[] shadows;
// Token: 0x04007605 RID: 30213
[Token(Token = "0x4007605")]
private static readonly byte[] inverse;
// Token: 0x04007606 RID: 30214
[FieldOffset(Offset = "0x10")]
[Token(Token = "0x4007606")]
private readonly IAsymmetricBlockCipher engine;
// Token: 0x04007607 RID: 30215
[FieldOffset(Offset = "0x18")]
[Token(Token = "0x4007607")]
private bool forEncryption;
// Token: 0x04007608 RID: 30216
[FieldOffset(Offset = "0x1C")]
[Token(Token = "0x4007608")]
private int bitSize;
// Token: 0x04007609 RID: 30217
[FieldOffset(Offset = "0x20")]
[Token(Token = "0x4007609")]
private int padBits;
// Token: 0x0400760A RID: 30218
[FieldOffset(Offset = "0x28")]
[Token(Token = "0x400760A")]
private BigInteger modulus;
}
}