niko
277 lines
12 KiB
C#
277 lines
12 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.Math.EC;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier;
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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: 0x02001C83 RID: 7299
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[Token(Token = "0x2001C83")]
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public class ECDsaSigner : IDsaExt, IDsa
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{
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// Token: 0x0600B49D RID: 46237 RVA: 0x0026FAC4 File Offset: 0x0026DCC4
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[Token(Token = "0x600B49D")]
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[Address(RVA = "0x2357820", Offset = "0x2356820", VA = "0x182357820")]
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public ECDsaSigner()
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{
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RandomDsaKCalculator randomDsaKCalculator = new RandomDsaKCalculator();
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this.kCalculator = randomDsaKCalculator;
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}
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// Token: 0x0600B49E RID: 46238 RVA: 0x0026FAE4 File Offset: 0x0026DCE4
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[Token(Token = "0x600B49E")]
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[Address(RVA = "0x493D90", Offset = "0x492D90", VA = "0x180493D90")]
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public ECDsaSigner(IDsaKCalculator kCalculator)
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{
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this.kCalculator = kCalculator;
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}
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// Token: 0x17001C75 RID: 7285
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// (get) Token: 0x0600B49F RID: 46239 RVA: 0x0026FB00 File Offset: 0x0026DD00
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[Token(Token = "0x17001C75")]
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public virtual string AlgorithmName
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{
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[Token(Token = "0x600B49F")]
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[Address(RVA = "0x2357880", Offset = "0x2356880", VA = "0x182357880", Slot = "9")]
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get
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{
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return "ECDSA";
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}
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}
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// Token: 0x0600B4A0 RID: 46240 RVA: 0x0026FB14 File Offset: 0x0026DD14
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[Token(Token = "0x600B4A0")]
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[Address(RVA = "0x23570F0", Offset = "0x23560F0", VA = "0x1823570F0", 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 (0600B4A0)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.ECDsaSigner::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_75:
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stloc:InvalidKeyException(var_11_7F, newobj:InvalidKeyException(InvalidKeyException::.ctor, ldstr:string("EC public key required for verification")))
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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: 0x17001C76 RID: 7286
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// (get) Token: 0x0600B4A1 RID: 46241 RVA: 0x0026FBA4 File Offset: 0x0026DDA4
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[Token(Token = "0x17001C76")]
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public virtual BigInteger Order
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{
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[Token(Token = "0x600B4A1")]
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[Address(RVA = "0x23578B0", Offset = "0x23568B0", VA = "0x1823578B0", Slot = "11")]
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get
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{
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return this.key.parameters.n;
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}
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}
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// Token: 0x0600B4A2 RID: 46242 RVA: 0x0026FBC8 File Offset: 0x0026DDC8
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[Token(Token = "0x600B4A2")]
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[Address(RVA = "0x2356B30", Offset = "0x2355B30", VA = "0x182356B30", Slot = "12")]
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public virtual BigInteger[] GenerateSignature(byte[] message)
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{
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BigInteger n;
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ECKeyParameters eckeyParameters;
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do
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{
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n = this.key.parameters.n;
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eckeyParameters = this.key;
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}
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while (eckeyParameters == 0 || eckeyParameters == 0);
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IDsaKCalculator dsaKCalculator = this.kCalculator;
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IDsaKCalculator dsaKCalculator2 = this.kCalculator;
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if (eckeyParameters == 0)
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{
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SecureRandom secureRandom = this.random;
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}
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int num = 0;
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IDsaKCalculator dsaKCalculator3 = this.kCalculator;
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if (num < dsaKCalculator2)
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{
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num += num;
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num++;
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}
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uint num2;
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if (num < (int)num2)
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{
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num += num;
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num++;
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}
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char c;
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string text = c.ToString();
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BigInteger bigInteger;
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while (bigInteger.sign == 0)
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{
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}
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BigInteger bigInteger3;
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BigInteger bigInteger4;
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BigInteger bigInteger2 = bigInteger3.Multiply(bigInteger4).Mod(n);
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while (bigInteger2.sign == 0)
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{
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}
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return new BigInteger[] { bigInteger, bigInteger2 };
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}
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// Token: 0x0600B4A3 RID: 46243 RVA: 0x0026FC9C File Offset: 0x0026DE9C
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[Token(Token = "0x600B4A3")]
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[Address(RVA = "0x23573D0", Offset = "0x23563D0", VA = "0x1823573D0", Slot = "13")]
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public virtual bool VerifySignature(byte[] message, BigInteger r, BigInteger s)
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{
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BigInteger n = this.key.parameters.n;
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int num = r.CompareTo(n);
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int num2 = s.CompareTo(n);
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BigInteger bigInteger = s.ModInverse(n);
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BigInteger bigInteger3;
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BigInteger bigInteger2 = bigInteger3.Mod(n);
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BigInteger bigInteger4 = r.Multiply(bigInteger);
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int num3 = 0;
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BigInteger bigInteger5 = bigInteger4.Mod(n);
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ECPoint ecpoint = ECAlgorithms.SumOfTwoMultiplies(this.key.parameters.g, bigInteger2, num3, bigInteger5);
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if (!ecpoint.IsInfinity)
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{
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bool flag = ecpoint.SatisfiesOrder();
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if (flag && flag)
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{
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BigInteger eight = ECDsaSigner.Eight;
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ECMultiplier ecmultiplier = this.CreateBasePointMultiplier();
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if (ecmultiplier != 0 && ecmultiplier == 0)
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{
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ECFieldElement affineYCoord = ecpoint.AffineYCoord;
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if (flag.GetTypeCode() != TypeCode.Empty)
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{
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int num4 = flag.CompareTo(r);
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bool flag2;
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if (!flag2)
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{
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BigInteger bigInteger6 = r.Add(n);
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}
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return true;
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}
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goto IL_DD;
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}
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}
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bool flag3 = ecpoint.IsNormalized();
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sbyte b;
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string text = b.ToString();
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}
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IL_DD:
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throw new NullReferenceException();
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}
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// Token: 0x0600B4A4 RID: 46244 RVA: 0x0026FD8C File Offset: 0x0026DF8C
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[Token(Token = "0x600B4A4")]
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[Address(RVA = "0x2356A20", Offset = "0x2355A20", VA = "0x182356A20", Slot = "14")]
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protected virtual BigInteger CalculateE(BigInteger n, byte[] message)
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{
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int num = message.Length;
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BigInteger bigInteger = new BigInteger(1, message);
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if (n.BitLength < num)
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{
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int bitLength = n.BitLength;
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num -= bitLength;
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BigInteger bigInteger2 = bigInteger.ShiftRight(num);
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}
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return bigInteger;
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}
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// Token: 0x0600B4A5 RID: 46245 RVA: 0x0026FDCC File Offset: 0x0026DFCC
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[Token(Token = "0x600B4A5")]
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[Address(RVA = "0x2356AE0", Offset = "0x2355AE0", VA = "0x182356AE0", Slot = "15")]
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protected virtual ECMultiplier CreateBasePointMultiplier()
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{
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/*
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An exception occurred when decompiling this method (0600B4A5)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier.ECMultiplier BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.ECDsaSigner::CreateBasePointMultiplier()
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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Block_0:
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stloc:FixedPointCombMultiplier(var_0_05, newobj:FixedPointCombMultiplier(FixedPointCombMultiplier::.ctor))
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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: 0x0600B4A6 RID: 46246 RVA: 0x0026FDE0 File Offset: 0x0026DFE0
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[Token(Token = "0x600B4A6")]
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[Address(RVA = "0x2356FD0", Offset = "0x2355FD0", VA = "0x182356FD0", Slot = "16")]
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protected virtual ECFieldElement GetDenominator(int coordinateSystem, ECPoint p)
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{
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if (coordinateSystem <= 6)
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{
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BigInteger bigInteger = p.YCoord.ToBigInteger();
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bool flag = p.SatisfiesCurveEquation();
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}
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throw new NullReferenceException();
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}
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// Token: 0x0600B4A7 RID: 46247 RVA: 0x0026FE0C File Offset: 0x0026E00C
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[Token(Token = "0x600B4A7")]
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[Address(RVA = "0x2357080", Offset = "0x2356080", VA = "0x182357080", Slot = "17")]
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protected virtual SecureRandom InitSecureRandom(bool needed, SecureRandom provided)
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{
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do
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{
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if (!needed)
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{
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}
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}
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while (provided != 0);
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return new SecureRandom();
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}
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// Token: 0x0600B4A8 RID: 46248 RVA: 0x0026FE28 File Offset: 0x0026E028
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// Note: this type is marked as 'beforefieldinit'.
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[Token(Token = "0x600B4A8")]
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[Address(RVA = "0x23577C0", Offset = "0x23567C0", VA = "0x1823577C0")]
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static ECDsaSigner()
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{
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BigInteger bigInteger;
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ECDsaSigner.Eight = bigInteger;
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}
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// Token: 0x04007258 RID: 29272
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[Token(Token = "0x4007258")]
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private static readonly BigInteger Eight;
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// Token: 0x04007259 RID: 29273
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4007259")]
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protected readonly IDsaKCalculator kCalculator;
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// Token: 0x0400725A RID: 29274
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400725A")]
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protected ECKeyParameters key;
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// Token: 0x0400725B RID: 29275
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400725B")]
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protected SecureRandom random;
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}
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}
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