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

205 lines
9.9 KiB
C#

using System;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using Cpp2IlInjected;
namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers
{
// Token: 0x02001BA4 RID: 7076
[Token(Token = "0x2001BA4")]
public class ECGost3410Signer : IDsaExt, IDsa
{
// Token: 0x17001BDA RID: 7130
// (get) Token: 0x0600B0DB RID: 45275 RVA: 0x00266C78 File Offset: 0x00264E78
[Token(Token = "0x17001BDA")]
public virtual string AlgorithmName
{
[Token(Token = "0x600B0DB")]
[Address(RVA = "0x18949E0", Offset = "0x18937E0", VA = "0x1818949E0", Slot = "9")]
get
{
return "ECGOST3410";
}
}
// Token: 0x0600B0DC RID: 45276 RVA: 0x00266C8C File Offset: 0x00264E8C
[Token(Token = "0x600B0DC")]
[Address(RVA = "0x1894370", Offset = "0x1893170", VA = "0x181894370", Slot = "10")]
public virtual void Init(bool forSigning, ICipherParameters parameters)
{
/*
An exception occurred when decompiling this method (0600B0DC)
ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.ECGost3410Signer::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)
---> System.Exception: Basic block has to end with unconditional control flow.
{
IL_60:
stloc:InvalidKeyException(var_8_6A, newobj:InvalidKeyException(InvalidKeyException::.ctor, ldstr:string("EC public key required for verification")))
}
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: 0x17001BDB RID: 7131
// (get) Token: 0x0600B0DD RID: 45277 RVA: 0x00266D04 File Offset: 0x00264F04
[Token(Token = "0x17001BDB")]
public virtual BigInteger Order
{
[Token(Token = "0x600B0DD")]
[Address(RVA = "0x1894A10", Offset = "0x1893810", VA = "0x181894A10", Slot = "11")]
get
{
return this.key.parameters.n;
}
}
// Token: 0x0600B0DE RID: 45278 RVA: 0x00266D28 File Offset: 0x00264F28
[Token(Token = "0x600B0DE")]
[Address(RVA = "0x1893F10", Offset = "0x1892D10", VA = "0x181893F10", Slot = "12")]
public virtual BigInteger[] GenerateSignature(byte[] message)
{
BigInteger bigInteger;
ECKeyParameters eckeyParameters;
BigInteger n;
do
{
byte[] array = new byte[message.Length];
int num = 0;
int num2 = 0;
int num3 = array.Length;
if (num2 != num3)
{
num3 -= num;
num++;
}
bigInteger = new BigInteger(1, array);
eckeyParameters = this.key;
n = eckeyParameters.parameters.n;
}
while (eckeyParameters == 0 || eckeyParameters == 0);
int bitLength = n.BitLength;
BigInteger bigInteger2;
while (bigInteger2.sign == 0)
{
}
int num4 = 0;
if (num4 < message)
{
num4 += num4;
num4++;
}
char c;
string text = c.ToString();
BigInteger bigInteger3;
while (bigInteger3.sign == num4)
{
}
BigInteger bigInteger4 = bigInteger2.Multiply(bigInteger);
BigInteger bigInteger5 = bigInteger2.Multiply(bigInteger3);
BigInteger bigInteger6 = bigInteger4.Add(bigInteger5).Mod(n);
while (bigInteger6.sign == 0)
{
}
return new BigInteger[] { bigInteger3, bigInteger6 };
}
// Token: 0x0600B0DF RID: 45279 RVA: 0x00266E1C File Offset: 0x0026501C
[Token(Token = "0x600B0DF")]
[Address(RVA = "0x1894600", Offset = "0x1893400", VA = "0x181894600", Slot = "13")]
public virtual bool VerifySignature(byte[] message, BigInteger r, BigInteger s)
{
ECKeyParameters eckeyParameters;
do
{
byte[] array = new byte[message.Length];
int num = 0;
int num2 = 0;
int num3 = array.Length;
if (num2 != num3)
{
num3 -= num;
num++;
}
BigInteger bigInteger = new BigInteger(1, array);
BigInteger n = this.key.parameters.n;
BigInteger one = BigInteger.One;
int num4 = r.CompareTo(one);
int num5 = r.CompareTo(n);
BigInteger one2 = BigInteger.One;
int num6 = s.CompareTo(one2);
int num7 = s.CompareTo(n);
BigInteger bigInteger2 = bigInteger.ModInverse(n);
BigInteger bigInteger3 = s.Multiply(bigInteger2).Mod(n);
BigInteger bigInteger4 = n.Subtract(r).Multiply(bigInteger2);
BigInteger bigInteger5 = bigInteger4.Mod(n);
eckeyParameters = this.key;
ECPoint g = eckeyParameters.parameters.g;
}
while (eckeyParameters == 0 || eckeyParameters == 0);
ECPoint ecpoint;
bool flag = ecpoint.IsNormalized();
bool flag2;
if (!flag2)
{
sbyte b;
string text = b.ToString();
}
throw new NullReferenceException();
}
// Token: 0x0600B0E0 RID: 45280 RVA: 0x00266F20 File Offset: 0x00265120
[Token(Token = "0x600B0E0")]
[Address(RVA = "0x1893EC0", Offset = "0x1892CC0", VA = "0x181893EC0", Slot = "14")]
protected virtual ECMultiplier CreateBasePointMultiplier()
{
/*
An exception occurred when decompiling this method (0600B0E0)
ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier.ECMultiplier BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.ECGost3410Signer::CreateBasePointMultiplier()
---> System.Exception: Basic block has to end with unconditional control flow.
{
Block_0:
stloc:FixedPointCombMultiplier(var_0_05, newobj:FixedPointCombMultiplier(FixedPointCombMultiplier::.ctor))
}
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: 0x0600B0E1 RID: 45281 RVA: 0x00266F34 File Offset: 0x00265134
[Token(Token = "0x600B0E1")]
[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
public ECGost3410Signer()
{
}
// Token: 0x040070A3 RID: 28835
[FieldOffset(Offset = "0x10")]
[Token(Token = "0x40070A3")]
private ECKeyParameters key;
// Token: 0x040070A4 RID: 28836
[FieldOffset(Offset = "0x18")]
[Token(Token = "0x40070A4")]
private SecureRandom random;
}
}