niko
341 lines
14 KiB
C#
341 lines
14 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
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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.Field;
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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.Agreement
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{
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// Token: 0x02001730 RID: 5936
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[Token(Token = "0x2001730")]
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[StructLayout(3)]
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public class SM2KeyExchange
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{
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// Token: 0x0600A076 RID: 41078 RVA: 0x002547D8 File Offset: 0x002529D8
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[Token(Token = "0x600A076")]
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[Address(RVA = "0x665130", Offset = "0x663B30", VA = "0x180665130")]
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public SM2KeyExchange()
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{
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SM3Digest sm3Digest = new SM3Digest();
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base..ctor();
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this.mDigest = sm3Digest;
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}
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// Token: 0x0600A077 RID: 41079 RVA: 0x002547F8 File Offset: 0x002529F8
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[Token(Token = "0x600A077")]
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[Address(RVA = "0x3C3A30", Offset = "0x3C2430", VA = "0x1803C3A30")]
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public SM2KeyExchange(IDigest digest)
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{
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this.mDigest = digest;
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}
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// Token: 0x0600A078 RID: 41080 RVA: 0x00254814 File Offset: 0x00252A14
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[Token(Token = "0x600A078")]
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[Address(RVA = "0x664760", Offset = "0x663160", VA = "0x180664760", Slot = "4")]
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public virtual void Init(ICipherParameters privParam)
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{
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while (privParam != 0)
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{
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if ((privParam != 0 || privParam != 0) && privParam != 0 && privParam != 0)
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{
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if (privParam == 0)
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{
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}
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if (privParam != 0 && privParam != 0 && privParam != 0)
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{
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break;
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}
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}
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}
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int num = 0;
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byte[] array = new byte[0];
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this.mUserID = array;
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string text = num.ToString();
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this.mInitiator = text != null;
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int num2;
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this.mStaticKey = num2;
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TypeCode typeCode = num.GetTypeCode();
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this.mEphemeralKey = typeCode;
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ECDomainParameters parameters = this.mStaticKey.parameters;
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this.mECParams = parameters;
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string text2;
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this.mStaticPubPoint = text2;
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ECDomainParameters ecdomainParameters = this.mECParams;
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bool flag;
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this.mEphemeralPubPoint = flag;
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string text3 = ecdomainParameters.curve.ToString();
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this.mW = text3;
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}
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// Token: 0x0600A079 RID: 41081 RVA: 0x002548DC File Offset: 0x00252ADC
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[Token(Token = "0x600A079")]
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[Address(RVA = "0x663FA0", Offset = "0x6629A0", VA = "0x180663FA0", Slot = "5")]
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public virtual byte[] CalculateKey(int kLen, ICipherParameters pubParam)
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{
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while (pubParam != 0)
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{
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if ((pubParam != 0 || pubParam != 0) && pubParam != 0 && pubParam != 0)
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{
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if (pubParam == 0)
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{
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}
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if (pubParam != 0 && pubParam != 0 && pubParam != 0)
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{
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break;
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}
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}
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}
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int num = 0;
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byte[] array = new byte[0];
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ECPoint ecpoint = this.mStaticPubPoint;
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byte[] array2 = this.mUserID;
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IDigest digest = this.mDigest;
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byte[] z = this.GetZ(digest, array2, ecpoint);
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IDigest digest2 = this.mDigest;
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string text = num.ToString();
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byte[] z2 = this.GetZ(digest2, array, ecpoint);
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if (!this.mInitiator)
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{
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}
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throw new NullReferenceException();
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}
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// Token: 0x0600A07A RID: 41082 RVA: 0x0025497C File Offset: 0x00252B7C
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[Token(Token = "0x600A07A")]
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[Address(RVA = "0x6638E0", Offset = "0x6622E0", VA = "0x1806638E0", Slot = "6")]
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public virtual byte[][] CalculateKeyWithConfirmation(int kLen, byte[] confirmationTag, ICipherParameters pubParam)
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{
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/*
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An exception occurred when decompiling this method (0600A07A)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[][] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.SM2KeyExchange::CalculateKeyWithConfirmation(System.Int32,System.Byte[],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_139:
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stloc:ArgumentException(var_32_143, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("if initiating, confirmationTag must be set")))
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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: 0x0600A07B RID: 41083 RVA: 0x00254AD0 File Offset: 0x00252CD0
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[Token(Token = "0x600A07B")]
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[Address(RVA = "0x6642A0", Offset = "0x662CA0", VA = "0x1806642A0", Slot = "7")]
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protected virtual ECPoint CalculateU(SM2KeyExchangePublicParameters otherPub)
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{
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ECDomainParameters parameters = this.mStaticKey.parameters;
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ECCurve curve = parameters.curve;
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string text = otherPub.ToString();
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ECCurve curve2 = parameters.curve;
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ECPoint q = otherPub.StaticPublicKey.q;
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ECPoint ecpoint = ECAlgorithms.CleanPoint(curve2, q);
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string text2 = this.mEphemeralPubPoint.CurveCoordinateSystem.ToString();
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string text3 = ecpoint.CurveCoordinateSystem.ToString();
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ECPrivateKeyParameters ecprivateKeyParameters = this.mStaticKey;
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ECPrivateKeyParameters ecprivateKeyParameters2 = this.mEphemeralKey;
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BigInteger d = ecprivateKeyParameters.d;
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BigInteger d2 = ecprivateKeyParameters2.d;
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BigInteger bigInteger2;
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BigInteger bigInteger = bigInteger2.Multiply(d2);
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BigInteger bigInteger3 = d.Add(bigInteger);
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BigInteger bigInteger4 = this.mECParams.h.Multiply(bigInteger3);
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BigInteger n = this.mECParams.n;
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BigInteger bigInteger5 = bigInteger4.Mod(n);
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BigInteger bigInteger7;
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BigInteger bigInteger6 = bigInteger5.Multiply(bigInteger7);
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BigInteger n2 = this.mECParams.n;
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BigInteger bigInteger8 = bigInteger6.Mod(n2);
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ECPoint ecpoint2;
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bool flag = ECAlgorithms.SumOfTwoMultiplies(ecpoint2, bigInteger5, ecpoint, bigInteger8).SatisfiesCurveEquation();
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throw new NullReferenceException();
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}
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// Token: 0x0600A07C RID: 41084 RVA: 0x00254BD8 File Offset: 0x00252DD8
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[Token(Token = "0x600A07C")]
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[Address(RVA = "0x664A70", Offset = "0x663470", VA = "0x180664A70", Slot = "8")]
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protected virtual byte[] Kdf(ECPoint u, byte[] za, byte[] zb, int klen)
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{
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IDigest digest = this.mDigest;
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int num;
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byte[] array = new byte[num];
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byte[] array2 = new byte[num];
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int num2 = 0;
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if (array2 != 0)
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{
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int curveCoordinateSystem = u.CurveCoordinateSystem;
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IDigest digest2 = this.mDigest;
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ECFieldElement affineXCoord = u.AffineXCoord;
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this.AddFieldElement(digest2, affineXCoord);
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IDigest digest3 = this.mDigest;
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int length = za.Length;
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IDigest digest4 = this.mDigest;
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int length2 = zb.Length;
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}
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if (num2 < array2.Length)
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{
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if (array2 == 0)
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{
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int curveCoordinateSystem2 = u.CurveCoordinateSystem;
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IDigest digest5 = this.mDigest;
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ECFieldElement affineXCoord2 = u.AffineXCoord;
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this.AddFieldElement(digest5, affineXCoord2);
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IDigest digest6 = this.mDigest;
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int length3 = za.Length;
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IDigest digest7 = this.mDigest;
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int length4 = zb.Length;
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}
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num2++;
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int num3 = 0;
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Pack.UInt32_To_BE((uint)num2, array, num3);
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IDigest digest8 = this.mDigest;
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IDigest digest9 = this.mDigest;
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int num4 = array2.Length;
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num4 -= num2;
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int num5 = 0;
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int num6;
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Array.Copy(array, num5, array2, num2, num6);
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num2 += num6;
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}
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return array2;
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}
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// Token: 0x0600A07D RID: 41085 RVA: 0x00254CEC File Offset: 0x00252EEC
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[Token(Token = "0x600A07D")]
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[Address(RVA = "0x664E60", Offset = "0x663860", VA = "0x180664E60")]
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private BigInteger Reduce(BigInteger x)
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{
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BigInteger one = BigInteger.One;
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int num = this.mW;
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BigInteger bigInteger = one.ShiftLeft(num);
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BigInteger one2 = BigInteger.One;
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BigInteger bigInteger2 = bigInteger.Subtract(one2);
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BigInteger bigInteger3 = x.And(bigInteger2);
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int num2 = this.mW;
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return bigInteger3.SetBit(num2);
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}
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// Token: 0x0600A07E RID: 41086 RVA: 0x00254D40 File Offset: 0x00252F40
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[Token(Token = "0x600A07E")]
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[Address(RVA = "0x664F30", Offset = "0x663930", VA = "0x180664F30")]
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private byte[] S1(IDigest digest, ECPoint u, byte[] inner)
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{
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ECFieldElement affineXCoord = u.AffineXCoord;
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this.AddFieldElement(digest, affineXCoord);
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int length = inner.Length;
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return DigestUtilities.DoFinal(digest);
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}
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// Token: 0x0600A07F RID: 41087 RVA: 0x00254D70 File Offset: 0x00252F70
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[Token(Token = "0x600A07F")]
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[Address(RVA = "0x663720", Offset = "0x662120", VA = "0x180663720")]
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private byte[] CalculateInnerHash(IDigest digest, ECPoint u, byte[] za, byte[] zb, ECPoint p1, ECPoint p2)
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{
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int curveCoordinateSystem = u.CurveCoordinateSystem;
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int length = za.Length;
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return DigestUtilities.DoFinal(digest);
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}
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// Token: 0x0600A080 RID: 41088 RVA: 0x00254D9C File Offset: 0x00252F9C
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[Token(Token = "0x600A080")]
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[Address(RVA = "0x665030", Offset = "0x663A30", VA = "0x180665030")]
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private byte[] S2(IDigest digest, ECPoint u, byte[] inner)
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{
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ECFieldElement affineXCoord = u.AffineXCoord;
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this.AddFieldElement(digest, affineXCoord);
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int length = inner.Length;
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return DigestUtilities.DoFinal(digest);
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}
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// Token: 0x0600A081 RID: 41089 RVA: 0x00254DCC File Offset: 0x00252FCC
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[Token(Token = "0x600A081")]
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[Address(RVA = "0x664500", Offset = "0x662F00", VA = "0x180664500")]
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private byte[] GetZ(IDigest digest, byte[] userID, ECPoint pubPoint)
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{
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int length = userID.Length;
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IFiniteField field = this.mECParams.curve.Field;
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ECFieldElement a = this.mECParams.curve.A;
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this.AddFieldElement(digest, a);
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int curveCoordinateSystem = this.mECParams.g.CurveCoordinateSystem;
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ECFieldElement affineXCoord = this.mECParams.g.AffineXCoord;
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this.AddFieldElement(digest, affineXCoord);
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int curveCoordinateSystem2 = pubPoint.CurveCoordinateSystem;
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ECFieldElement affineXCoord2 = pubPoint.AffineXCoord;
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this.AddFieldElement(digest, affineXCoord2);
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return DigestUtilities.DoFinal(digest);
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}
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// Token: 0x0600A082 RID: 41090 RVA: 0x00254E5C File Offset: 0x0025305C
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[Token(Token = "0x600A082")]
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[Address(RVA = "0x663670", Offset = "0x662070", VA = "0x180663670")]
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private void AddUserID(IDigest digest, byte[] userID)
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{
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int length = userID.Length;
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}
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// Token: 0x0600A083 RID: 41091 RVA: 0x00254E78 File Offset: 0x00253078
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[Token(Token = "0x600A083")]
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[Address(RVA = "0x6635E0", Offset = "0x661FE0", VA = "0x1806635E0")]
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private void AddFieldElement(IDigest digest, ECFieldElement v)
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{
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}
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// Token: 0x04006988 RID: 27016
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4006988")]
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private readonly IDigest mDigest;
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// Token: 0x04006989 RID: 27017
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4006989")]
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private byte[] mUserID;
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// Token: 0x0400698A RID: 27018
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400698A")]
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private ECPrivateKeyParameters mStaticKey;
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// Token: 0x0400698B RID: 27019
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
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[Token(Token = "0x400698B")]
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private ECPoint mStaticPubPoint;
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// Token: 0x0400698C RID: 27020
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
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[Token(Token = "0x400698C")]
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private ECPoint mEphemeralPubPoint;
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// Token: 0x0400698D RID: 27021
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x38")]
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[Token(Token = "0x400698D")]
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private ECDomainParameters mECParams;
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// Token: 0x0400698E RID: 27022
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x40")]
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[Token(Token = "0x400698E")]
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private int mW;
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// Token: 0x0400698F RID: 27023
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x48")]
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[Token(Token = "0x400698F")]
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private ECPrivateKeyParameters mEphemeralKey;
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// Token: 0x04006990 RID: 27024
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x50")]
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[Token(Token = "0x4006990")]
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private bool mInitiator;
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}
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}
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