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niko
2026-04-10 22:50:51 +02:00
parent 6d1607d5a2
commit f18d448581
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Assembly-CSharp/BestHTTP/SecureProtocol/Org/BouncyCastle/Crypto/Modes/CcmBlockCipher.cs
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using System;
using System.IO;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes
{
// Token: 0x02001C33 RID: 7219
[Token(Token = "0x2001C33")]
public class CcmBlockCipher : IAeadBlockCipher
{
// Token: 0x0600B427 RID: 46119 RVA: 0x00273480 File Offset: 0x00271680
[Token(Token = "0x600B427")]
[Address(RVA = "0x1C1D1A0", Offset = "0x1C1BFA0", VA = "0x181C1D1A0")]
public CcmBlockCipher(IBlockCipher cipher)
{
MemoryStream memoryStream = new MemoryStream();
this.associatedText = memoryStream;
MemoryStream memoryStream2 = new MemoryStream();
this.data = memoryStream2;
base..ctor();
this.cipher = cipher;
byte[] array = new byte[CcmBlockCipher.BlockSize];
this.macBlock = array;
}
// Token: 0x0600B428 RID: 46120 RVA: 0x002734DC File Offset: 0x002716DC
[Token(Token = "0x600B428")]
[Address(RVA = "0x3F6E20", Offset = "0x3F5C20", VA = "0x1803F6E20", Slot = "17")]
public virtual IBlockCipher GetUnderlyingCipher()
{
return this.cipher;
}
// Token: 0x0600B429 RID: 46121 RVA: 0x002734F0 File Offset: 0x002716F0
[Token(Token = "0x600B429")]
[Address(RVA = "0x1C1C440", Offset = "0x1C1B240", VA = "0x181C1C440", Slot = "18")]
public virtual void Init(bool forEncryption, ICipherParameters parameters)
{
/*
An exception occurred when decompiling this method (0600B429)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.CcmBlockCipher::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_78:
stloc:ArgumentException(var_11_82, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("invalid parameters passed to CCM")))
}
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: 0x17001C77 RID: 7287
// (get) Token: 0x0600B42A RID: 46122 RVA: 0x00273580 File Offset: 0x00271780
[Token(Token = "0x17001C77")]
public virtual string AlgorithmName
{
[Token(Token = "0x600B42A")]
[Address(RVA = "0x1C1D330", Offset = "0x1C1C130", VA = "0x181C1D330", Slot = "19")]
get
{
IBlockCipher blockCipher = this.cipher;
return 0 + "/CCM";
}
}
// Token: 0x0600B42B RID: 46123 RVA: 0x002735A8 File Offset: 0x002717A8
[Token(Token = "0x600B42B")]
[Address(RVA = "0x1C1C2C0", Offset = "0x1C1B0C0", VA = "0x181C1C2C0", Slot = "20")]
public virtual int GetBlockSize()
{
IBlockCipher blockCipher = this.cipher;
throw new NullReferenceException();
}
// Token: 0x0600B42C RID: 46124 RVA: 0x002735C4 File Offset: 0x002717C4
[Token(Token = "0x600B42C")]
[Address(RVA = "0x1C1C6D0", Offset = "0x1C1B4D0", VA = "0x181C1C6D0", Slot = "21")]
public virtual void ProcessAadByte(byte input)
{
((IDisposable)this.associatedText).Dispose();
}
// Token: 0x0600B42D RID: 46125 RVA: 0x002735E4 File Offset: 0x002717E4
[Token(Token = "0x600B42D")]
[Address(RVA = "0x1C1C700", Offset = "0x1C1B500", VA = "0x181C1C700", Slot = "22")]
public virtual void ProcessAadBytes(byte[] inBytes, int inOff, int len)
{
int num = this.associatedText.Read(inBytes, inOff, len);
}
// Token: 0x0600B42E RID: 46126 RVA: 0x00273608 File Offset: 0x00271808
[Token(Token = "0x600B42E")]
[Address(RVA = "0x1C1C730", Offset = "0x1C1B530", VA = "0x181C1C730", Slot = "23")]
public virtual int ProcessByte(byte input, byte[] outBytes, int outOff)
{
MemoryStream memoryStream = this.data;
return 0;
}
// Token: 0x0600B42F RID: 46127 RVA: 0x00273624 File Offset: 0x00271824
[Token(Token = "0x600B42F")]
[Address(RVA = "0x1C1C760", Offset = "0x1C1B560", VA = "0x181C1C760", Slot = "24")]
public virtual int ProcessBytes(byte[] inBytes, int inOff, int inLen, byte[] outBytes, int outOff)
{
Check.DataLength(inBytes, inOff, inOff, "Input buffer too short");
int num = this.data.ReadByte();
return 0;
}
// Token: 0x0600B430 RID: 46128 RVA: 0x00273654 File Offset: 0x00271854
[Token(Token = "0x600B430")]
[Address(RVA = "0x1C1C1B0", Offset = "0x1C1AFB0", VA = "0x181C1C1B0", Slot = "25")]
public virtual int DoFinal(byte[] outBytes, int outOff)
{
MemoryStream memoryStream = this.data;
long length = this.data.Length;
throw new NullReferenceException();
}
// Token: 0x0600B431 RID: 46129 RVA: 0x0027367C File Offset: 0x0027187C
[Token(Token = "0x600B431")]
[Address(RVA = "0x1C1D0E0", Offset = "0x1C1BEE0", VA = "0x181C1D0E0", Slot = "26")]
public virtual void Reset()
{
IBlockCipher blockCipher = this.cipher;
MemoryStream memoryStream = this.associatedText;
((IDisposable)this.data).Dispose();
}
// Token: 0x0600B432 RID: 46130 RVA: 0x002736A8 File Offset: 0x002718A8
[Token(Token = "0x600B432")]
[Address(RVA = "0x1C1C310", Offset = "0x1C1B110", VA = "0x181C1C310", Slot = "27")]
public virtual byte[] GetMac()
{
byte[] array = this.macBlock;
int num = this.macSize;
int num2 = 0;
return Arrays.CopyOfRange(array, num2, num);
}
// Token: 0x0600B433 RID: 46131 RVA: 0x002736D0 File Offset: 0x002718D0
[Token(Token = "0x600B433")]
[Address(RVA = "0x43E630", Offset = "0x43D430", VA = "0x18043E630", Slot = "28")]
public virtual int GetUpdateOutputSize(int len)
{
return 0;
}
// Token: 0x0600B434 RID: 46132 RVA: 0x002736E0 File Offset: 0x002718E0
[Token(Token = "0x600B434")]
[Address(RVA = "0x1C1C380", Offset = "0x1C1B180", VA = "0x181C1C380", Slot = "29")]
public virtual int GetOutputSize(int len)
{
bool flag = this.data.CanWrite;
int num = this.macSize;
flag = (flag ? 1 : 0) + len != 0;
if (!this.forEncryption)
{
if ((flag ? 1 : 0) < num)
{
return 0;
}
flag = (flag ? 1 : 0) - num != 0;
}
flag = (flag ? 1 : 0) + num != 0;
throw new NullReferenceException();
}
// Token: 0x0600B435 RID: 46133 RVA: 0x00273720 File Offset: 0x00271920
[Token(Token = "0x600B435")]
[Address(RVA = "0x1C1CFF0", Offset = "0x1C1BDF0", VA = "0x181C1CFF0", Slot = "30")]
public virtual byte[] ProcessPacket(byte[] input, int inOff, int inLen)
{
int num = this.macSize;
if (!this.forEncryption)
{
}
byte[] array = new byte[input];
byte[] array2 = this.ProcessPacket(input, inOff, inLen);
return array;
}
// Token: 0x0600B436 RID: 46134 RVA: 0x0027375C File Offset: 0x0027195C
[Token(Token = "0x600B436")]
[Address(RVA = "0x1C1C800", Offset = "0x1C1B600", VA = "0x181C1C800", Slot = "31")]
public virtual int ProcessPacket(byte[] input, int inOff, int inLen, byte[] output, int outOff)
{
/*
An exception occurred when decompiling this method (0600B436)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.CcmBlockCipher::ProcessPacket(System.Byte[],System.Int32,System.Int32,System.Byte[],System.Int32)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_11D:
stloc:InvalidCipherTextException(var_24_127, newobj:InvalidCipherTextException(InvalidCipherTextException::.ctor, ldstr:string("mac check in CCM failed")))
}
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: 0x0600B437 RID: 46135 RVA: 0x00273894 File Offset: 0x00271A94
[Token(Token = "0x600B437")]
[Address(RVA = "0x1C1BCA0", Offset = "0x1C1AAA0", VA = "0x181C1BCA0")]
private int CalculateMac(byte[] data, int dataOff, int dataLen, byte[] macBlock)
{
int num;
CbcBlockCipherMac cbcBlockCipherMac = new CbcBlockCipherMac(this.cipher, dataOff, num);
num = 0;
byte[] array = new byte[16];
bool flag = this.associatedText.CanWrite;
byte[] array2 = this.initialAssociatedText;
if (array2 == 0)
{
}
int length = array2.Length;
flag = (flag ? 1 : 0) + length != 0;
if (flag > false)
{
}
uint num2;
flag = (flag ? 1U : 0U) - num2 != 0U;
flag = flag - typeof(IMac).TypeHandle != null;
array[0] = (flag ? 1 : 0);
byte[] array3 = this.nonce;
uint num3;
array[0] = (byte)num3;
byte[] array4 = this.nonce;
int length2 = array4.Length;
int num4 = 0;
uint num5;
Array.Copy(array4, num4, array, (int)num5, length2);
if (dataLen > 0)
{
int num6 = array.Length;
num6 -= (int)num5;
num5 += (uint)1;
}
int length3 = array.Length;
bool flag2 = this.associatedText.CanWrite;
byte[] array5 = this.initialAssociatedText;
int num7 = 0;
if (array5 == 0)
{
}
flag2 = (flag2 ? 1 : 0) + num7 != 0;
if (flag2 > false)
{
bool canWrite = this.associatedText.CanWrite;
if (this.initialAssociatedText == 0)
{
}
byte[] array6 = this.initialAssociatedText;
if (array6 != 0)
{
int length4 = array6.Length;
}
long length5 = this.associatedText.Length;
MemoryStream memoryStream = this.associatedText;
MemoryStream memoryStream2 = this.associatedText;
long length6 = memoryStream2.Length;
int num8 = 0;
if (memoryStream2 < 0)
{
}
uint num9;
if (length6 < (long)num9)
{
num9 = (uint)((long)num9 - length6);
if (num8 < cbcBlockCipherMac)
{
num8 += num8;
num8++;
}
while (num8 != cbcBlockCipherMac)
{
}
}
}
int num10 = 0;
num10 += 3;
num10 += 19;
throw new NullReferenceException();
}
// Token: 0x0600B438 RID: 46136 RVA: 0x00273A24 File Offset: 0x00271C24
[Token(Token = "0x600B438")]
[Address(RVA = "0x1C1C270", Offset = "0x1C1B070", VA = "0x181C1C270")]
private int GetAssociatedTextLength()
{
bool flag = this.associatedText.CanWrite;
byte[] array = this.initialAssociatedText;
if (array == 0)
{
flag = flag + array != null;
}
int length = array.Length;
flag = (flag ? 1 : 0) + length != 0;
throw new NullReferenceException();
}
// Token: 0x0600B439 RID: 46137 RVA: 0x00273A5C File Offset: 0x00271C5C
[Token(Token = "0x600B439")]
[Address(RVA = "0x1C1C3F0", Offset = "0x1C1B1F0", VA = "0x181C1C3F0")]
private bool HasAssociatedText()
{
bool flag = this.associatedText.CanWrite;
byte[] array = this.initialAssociatedText;
if (array == 0)
{
flag = flag + array != null;
return flag > false;
}
int length = array.Length;
flag = (flag ? 1 : 0) + length != 0;
return flag > false;
}
// Token: 0x04007254 RID: 29268
[Token(Token = "0x4007254")]
private static readonly int BlockSize;
// Token: 0x04007255 RID: 29269
[FieldOffset(Offset = "0x10")]
[Token(Token = "0x4007255")]
private readonly IBlockCipher cipher;
// Token: 0x04007256 RID: 29270
[FieldOffset(Offset = "0x18")]
[Token(Token = "0x4007256")]
private readonly byte[] macBlock;
// Token: 0x04007257 RID: 29271
[FieldOffset(Offset = "0x20")]
[Token(Token = "0x4007257")]
private bool forEncryption;
// Token: 0x04007258 RID: 29272
[FieldOffset(Offset = "0x28")]
[Token(Token = "0x4007258")]
private byte[] nonce;
// Token: 0x04007259 RID: 29273
[FieldOffset(Offset = "0x30")]
[Token(Token = "0x4007259")]
private byte[] initialAssociatedText;
// Token: 0x0400725A RID: 29274
[FieldOffset(Offset = "0x38")]
[Token(Token = "0x400725A")]
private int macSize;
// Token: 0x0400725B RID: 29275
[FieldOffset(Offset = "0x40")]
[Token(Token = "0x400725B")]
private ICipherParameters keyParam;
// Token: 0x0400725C RID: 29276
[FieldOffset(Offset = "0x48")]
[Token(Token = "0x400725C")]
private readonly MemoryStream associatedText;
// Token: 0x0400725D RID: 29277
[FieldOffset(Offset = "0x50")]
[Token(Token = "0x400725D")]
private readonly MemoryStream data;
}
}