niko
187 lines
7.8 KiB
C#
187 lines
7.8 KiB
C#
using System;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
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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.Signers
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{
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// Token: 0x02001BAF RID: 7087
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[Token(Token = "0x2001BAF")]
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public class Gost3410Signer : IDsaExt, IDsa
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{
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// Token: 0x17001BE4 RID: 7140
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// (get) Token: 0x0600B124 RID: 45348 RVA: 0x00267DBC File Offset: 0x00265FBC
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[Token(Token = "0x17001BE4")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600B124")]
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[Address(RVA = "0x18985F0", Offset = "0x18973F0", VA = "0x1818985F0", Slot = "9")]
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get
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{
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return "GOST3410";
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}
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}
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// Token: 0x0600B125 RID: 45349 RVA: 0x00267DD0 File Offset: 0x00265FD0
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[Token(Token = "0x600B125")]
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[Address(RVA = "0x1897FD0", Offset = "0x1896DD0", VA = "0x181897FD0", Slot = "10")]
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public virtual void Init(bool forSigning, ICipherParameters parameters)
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{
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/*
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An exception occurred when decompiling this method (0600B125)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.Gost3410Signer::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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IL_60:
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stloc:InvalidKeyException(var_8_6A, newobj:InvalidKeyException(InvalidKeyException::.ctor, ldstr:string("GOST3410 public key required for signing")))
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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: 0x17001BE5 RID: 7141
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// (get) Token: 0x0600B126 RID: 45350 RVA: 0x00267E48 File Offset: 0x00266048
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[Token(Token = "0x17001BE5")]
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public virtual BigInteger Order
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{
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[Token(Token = "0x600B126")]
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[Address(RVA = "0x1898620", Offset = "0x1897420", VA = "0x181898620", Slot = "11")]
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get
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{
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return this.key.parameters.q;
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}
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}
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// Token: 0x0600B127 RID: 45351 RVA: 0x00267E6C File Offset: 0x0026606C
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[Token(Token = "0x600B127")]
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[Address(RVA = "0x1897C70", Offset = "0x1896A70", VA = "0x181897C70", Slot = "12")]
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public virtual BigInteger[] GenerateSignature(byte[] message)
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{
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Gost3410Parameters parameters;
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BigInteger bigInteger2;
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BigInteger bigInteger4;
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BigInteger bigInteger5;
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Gost3410KeyParameters gost3410KeyParameters;
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do
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{
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byte[] array = new byte[message.Length];
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int num = 0;
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int num2 = array.Length;
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if (num != num2)
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{
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num2 -= num;
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num++;
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}
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BigInteger bigInteger = new BigInteger(1, array);
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parameters = this.key.parameters;
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int bitLength = parameters.q.BitLength;
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SecureRandom secureRandom = this.random;
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bigInteger2 = new BigInteger(bitLength, secureRandom);
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BigInteger q = parameters.q;
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int num3 = bigInteger2.CompareTo(q);
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BigInteger a = parameters.a;
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BigInteger p = parameters.p;
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BigInteger bigInteger3 = a.ModPow(bigInteger2, p);
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BigInteger q2 = parameters.q;
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bigInteger4 = bigInteger3.Mod(q2);
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bigInteger5 = bigInteger2.Multiply(bigInteger);
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gost3410KeyParameters = this.key;
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}
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while (gost3410KeyParameters == 0 || gost3410KeyParameters == 0);
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BigInteger bigInteger6 = bigInteger2.Multiply(bigInteger4);
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BigInteger bigInteger7 = bigInteger5.Add(bigInteger6);
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BigInteger q3 = parameters.q;
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BigInteger bigInteger8 = bigInteger7.Mod(q3);
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BigInteger[] array2 = new BigInteger[2];
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if (bigInteger4 != 0)
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{
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}
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array2[0] = bigInteger4;
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if (bigInteger8 != 0)
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{
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}
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array2[1] = bigInteger8;
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return array2;
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}
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// Token: 0x0600B128 RID: 45352 RVA: 0x00267F9C File Offset: 0x0026619C
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[Token(Token = "0x600B128")]
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[Address(RVA = "0x1898260", Offset = "0x1897060", VA = "0x181898260", Slot = "13")]
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public virtual bool VerifySignature(byte[] message, BigInteger r, BigInteger s)
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{
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Gost3410Parameters parameters;
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BigInteger bigInteger8;
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Gost3410KeyParameters gost3410KeyParameters;
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do
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{
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byte[] array = new byte[message.Length];
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int num = 0;
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int num2 = array.Length;
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if (num != num2)
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{
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num2 -= num;
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num++;
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}
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BigInteger bigInteger = new BigInteger(1, array);
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parameters = this.key.parameters;
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if (parameters.q.CompareTo(r) <= 0 || parameters.q.CompareTo(s) <= 0)
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{
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goto IL_14F;
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}
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BigInteger q = parameters.q;
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BigInteger two = BigInteger.Two;
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BigInteger bigInteger2 = q.Subtract(two);
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BigInteger q2 = parameters.q;
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BigInteger bigInteger3 = bigInteger.ModPow(bigInteger2, q2);
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BigInteger bigInteger4 = s.Multiply(bigInteger3);
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BigInteger q3 = parameters.q;
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BigInteger bigInteger5 = bigInteger4.Mod(q3);
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BigInteger bigInteger6 = parameters.q.Subtract(r).Multiply(bigInteger3);
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BigInteger q4 = parameters.q;
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BigInteger bigInteger7 = bigInteger6.Mod(q4);
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BigInteger a = parameters.a;
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BigInteger p = parameters.p;
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bigInteger8 = a.ModPow(bigInteger5, p);
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gost3410KeyParameters = this.key;
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}
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while (gost3410KeyParameters == 0 || gost3410KeyParameters == 0);
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BigInteger p2 = parameters.p;
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BigInteger bigInteger10;
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BigInteger bigInteger9 = bigInteger8.Multiply(bigInteger10);
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BigInteger p3 = parameters.p;
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BigInteger bigInteger11 = bigInteger9.Mod(p3);
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BigInteger q5 = parameters.q;
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BigInteger bigInteger12 = bigInteger11.Mod(q5);
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IL_14F:
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throw new NullReferenceException();
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}
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// Token: 0x0600B129 RID: 45353 RVA: 0x00268100 File Offset: 0x00266300
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[Token(Token = "0x600B129")]
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[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
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public Gost3410Signer()
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{
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}
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// Token: 0x040070C3 RID: 28867
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x40070C3")]
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private Gost3410KeyParameters key;
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// Token: 0x040070C4 RID: 28868
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x40070C4")]
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private SecureRandom random;
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}
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}
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