niko
339 lines
13 KiB
C#
339 lines
13 KiB
C#
using System;
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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: 0x02001DED RID: 7661
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[Token(Token = "0x2001DED")]
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public class SM2KeyExchange
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{
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// Token: 0x0600C01E RID: 49182 RVA: 0x002B55D8 File Offset: 0x002B37D8
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[Token(Token = "0x600C01E")]
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[Address(RVA = "0x25AF290", Offset = "0x25AE290", VA = "0x1825AF290")]
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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: 0x0600C01F RID: 49183 RVA: 0x002B55F8 File Offset: 0x002B37F8
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[Token(Token = "0x600C01F")]
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[Address(RVA = "0x493D90", Offset = "0x492D90", VA = "0x180493D90")]
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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: 0x0600C020 RID: 49184 RVA: 0x002B5614 File Offset: 0x002B3814
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[Token(Token = "0x600C020")]
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[Address(RVA = "0x25AE8C0", Offset = "0x25AD8C0", VA = "0x1825AE8C0", 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: 0x0600C021 RID: 49185 RVA: 0x002B56DC File Offset: 0x002B38DC
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[Token(Token = "0x600C021")]
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[Address(RVA = "0x25AE100", Offset = "0x25AD100", VA = "0x1825AE100", 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: 0x0600C022 RID: 49186 RVA: 0x002B577C File Offset: 0x002B397C
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[Token(Token = "0x600C022")]
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[Address(RVA = "0x25ADA40", Offset = "0x25ACA40", VA = "0x1825ADA40", 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 (0600C022)
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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: 0x0600C023 RID: 49187 RVA: 0x002B58D0 File Offset: 0x002B3AD0
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[Token(Token = "0x600C023")]
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[Address(RVA = "0x25AE400", Offset = "0x25AD400", VA = "0x1825AE400", 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: 0x0600C024 RID: 49188 RVA: 0x002B59D8 File Offset: 0x002B3BD8
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[Token(Token = "0x600C024")]
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[Address(RVA = "0x25AEBD0", Offset = "0x25ADBD0", VA = "0x1825AEBD0", 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: 0x0600C025 RID: 49189 RVA: 0x002B5AEC File Offset: 0x002B3CEC
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[Token(Token = "0x600C025")]
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[Address(RVA = "0x25AEFC0", Offset = "0x25ADFC0", VA = "0x1825AEFC0")]
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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: 0x0600C026 RID: 49190 RVA: 0x002B5B40 File Offset: 0x002B3D40
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[Token(Token = "0x600C026")]
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[Address(RVA = "0x25AF090", Offset = "0x25AE090", VA = "0x1825AF090")]
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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: 0x0600C027 RID: 49191 RVA: 0x002B5B70 File Offset: 0x002B3D70
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[Token(Token = "0x600C027")]
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[Address(RVA = "0x25AD880", Offset = "0x25AC880", VA = "0x1825AD880")]
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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: 0x0600C028 RID: 49192 RVA: 0x002B5B9C File Offset: 0x002B3D9C
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[Token(Token = "0x600C028")]
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[Address(RVA = "0x25AF190", Offset = "0x25AE190", VA = "0x1825AF190")]
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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: 0x0600C029 RID: 49193 RVA: 0x002B5BCC File Offset: 0x002B3DCC
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[Token(Token = "0x600C029")]
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[Address(RVA = "0x25AE660", Offset = "0x25AD660", VA = "0x1825AE660")]
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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: 0x0600C02A RID: 49194 RVA: 0x002B5C5C File Offset: 0x002B3E5C
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[Token(Token = "0x600C02A")]
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[Address(RVA = "0x25AD7D0", Offset = "0x25AC7D0", VA = "0x1825AD7D0")]
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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: 0x0600C02B RID: 49195 RVA: 0x002B5C78 File Offset: 0x002B3E78
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[Token(Token = "0x600C02B")]
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[Address(RVA = "0x25AD740", Offset = "0x25AC740", VA = "0x1825AD740")]
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private void AddFieldElement(IDigest digest, ECFieldElement v)
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{
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}
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// Token: 0x04007984 RID: 31108
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4007984")]
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private readonly IDigest mDigest;
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// Token: 0x04007985 RID: 31109
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4007985")]
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private byte[] mUserID;
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// Token: 0x04007986 RID: 31110
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4007986")]
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private ECPrivateKeyParameters mStaticKey;
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// Token: 0x04007987 RID: 31111
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4007987")]
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private ECPoint mStaticPubPoint;
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// Token: 0x04007988 RID: 31112
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4007988")]
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private ECPoint mEphemeralPubPoint;
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// Token: 0x04007989 RID: 31113
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x4007989")]
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private ECDomainParameters mECParams;
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// Token: 0x0400798A RID: 31114
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x400798A")]
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private int mW;
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// Token: 0x0400798B RID: 31115
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[FieldOffset(Offset = "0x48")]
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[Token(Token = "0x400798B")]
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private ECPrivateKeyParameters mEphemeralKey;
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// Token: 0x0400798C RID: 31116
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[FieldOffset(Offset = "0x50")]
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[Token(Token = "0x400798C")]
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private bool mInitiator;
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}
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}
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