niko
326 lines
14 KiB
C#
326 lines
14 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.EC.Multiplier;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
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{
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// Token: 0x02001D8A RID: 7562
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[Token(Token = "0x2001D8A")]
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public class SM2Engine
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{
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// Token: 0x0600BC7C RID: 48252 RVA: 0x0029A57C File Offset: 0x0029877C
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[Token(Token = "0x600BC7C")]
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[Address(RVA = "0x27387B0", Offset = "0x27377B0", VA = "0x1827387B0")]
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public SM2Engine()
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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: 0x0600BC7D RID: 48253 RVA: 0x0029A59C File Offset: 0x0029879C
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[Token(Token = "0x600BC7D")]
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[Address(RVA = "0x493D90", Offset = "0x492D90", VA = "0x180493D90")]
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public SM2Engine(IDigest digest)
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{
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this.mDigest = digest;
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}
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// Token: 0x0600BC7E RID: 48254 RVA: 0x0029A5B8 File Offset: 0x002987B8
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[Token(Token = "0x600BC7E")]
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[Address(RVA = "0x2738000", Offset = "0x2737000", VA = "0x182738000", Slot = "4")]
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public virtual void Init(bool forEncryption, ICipherParameters param)
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{
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bool flag;
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for (;;)
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{
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this.mForEncryption = forEncryption;
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if (!forEncryption)
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{
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if (param == 0)
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{
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}
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int num = 0;
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if (param == 0)
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{
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continue;
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}
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this.mECKey = param;
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this.mECParams = num;
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}
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if (param != 0)
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{
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if (typeof(ParametersWithRandom).TypeHandle == 0)
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{
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}
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if (typeof(ParametersWithRandom).TypeHandle != 0)
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{
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this.mECKey = typeof(ParametersWithRandom).TypeHandle;
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this.mECParams = param;
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if (typeof(ParametersWithRandom).TypeHandle != 0 && typeof(ParametersWithRandom).TypeHandle != 0 && !flag)
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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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}
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this.mRandom = flag;
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string text = this.mECParams.curve.ToString();
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this.mCurveLength = text;
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}
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// Token: 0x0600BC7F RID: 48255 RVA: 0x0029A654 File Offset: 0x00298854
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[Token(Token = "0x600BC7F")]
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[Address(RVA = "0x2738700", Offset = "0x2737700", VA = "0x182738700", Slot = "5")]
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public virtual byte[] ProcessBlock(byte[] input, int inOff, int inLen)
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{
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if (!this.mForEncryption)
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{
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return this.Decrypt(input, inOff, inLen);
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}
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return this.Encrypt(input, inOff, inLen);
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}
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// Token: 0x0600BC80 RID: 48256 RVA: 0x0029A680 File Offset: 0x00298880
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[Token(Token = "0x600BC80")]
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[Address(RVA = "0x2737600", Offset = "0x2736600", VA = "0x182737600", Slot = "6")]
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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 (0600BC80)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Math.EC.Multiplier.ECMultiplier BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.SM2Engine::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: 0x0600BC81 RID: 48257 RVA: 0x0029A694 File Offset: 0x00298894
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[Token(Token = "0x600BC81")]
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[Address(RVA = "0x2737AB0", Offset = "0x2736AB0", VA = "0x182737AB0")]
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private byte[] Encrypt(byte[] input, int inOff, int inLen)
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{
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byte[] array;
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int num2;
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int num9;
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for (;;)
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{
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array = new byte[inLen];
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int length = array.Length;
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int num = 0;
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Array.Copy(input, inLen, array, num, length);
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num2 = this.mECParams.n.BitLength;
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SecureRandom secureRandom = this.mRandom;
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BigInteger bigInteger = new BigInteger(num2, secureRandom);
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while (bigInteger.sign == 0)
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{
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}
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BigInteger n = this.mECParams.n;
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int num3 = 0;
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int num4 = bigInteger.CompareTo(n);
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ECPoint g = this.mECParams.g;
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int num5 = 0;
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if (num5 < num3)
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{
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num5 += num5;
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num5++;
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}
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int num6 = 0;
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ulong num8;
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int num7 = num8.CompareTo((ulong)num6);
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ECKeyParameters eckeyParameters = this.mECKey;
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num2 = num7;
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num8 += num8;
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num7 += 19;
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if (eckeyParameters != 0)
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{
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num9 = 0;
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if (eckeyParameters != 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 length2 = array.Length;
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while (num9 == length2)
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{
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}
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num9++;
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IDigest digest = this.mDigest;
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byte[] array2 = DigestUtilities.DoFinal(this.mDigest);
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byte[][] array3 = new byte[3][];
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if (num2 != 0)
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{
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}
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array3[0] = num2;
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array3[1] = array;
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if (array2 != 0)
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{
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}
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array3[2] = array2;
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return Arrays.ConcatenateAll(array3);
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}
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// Token: 0x0600BC82 RID: 48258 RVA: 0x0029A7D0 File Offset: 0x002989D0
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[Token(Token = "0x600BC82")]
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[Address(RVA = "0x2737650", Offset = "0x2736650", VA = "0x182737650")]
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private byte[] Decrypt(byte[] input, int inOff, int inLen)
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{
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/*
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An exception occurred when decompiling this method (0600BC82)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.SM2Engine::Decrypt(System.Byte[],System.Int32,System.Int32)
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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:int32(var_28_13A, ldc.i4:int32(0))
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call:void(Arrays::Fill, ldloc:uint8[](var_13_6C), ldloc:int32[exp:uint8](var_28_13A))
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stloc:InvalidCipherTextException(var_29_14F, newobj:InvalidCipherTextException(InvalidCipherTextException::.ctor, ldstr:string("invalid cipher text")))
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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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
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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 1878
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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 1846
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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: 0x0600BC83 RID: 48259 RVA: 0x0029A930 File Offset: 0x00298B30
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[Token(Token = "0x600BC83")]
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[Address(RVA = "0x2738680", Offset = "0x2737680", VA = "0x182738680")]
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private bool NotEncrypted(byte[] encData, byte[] input, int inOff)
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{
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int num = 0;
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int length = encData.Length;
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if (num != length)
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{
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num++;
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}
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return true;
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}
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// Token: 0x0600BC84 RID: 48260 RVA: 0x0029A958 File Offset: 0x00298B58
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[Token(Token = "0x600BC84")]
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[Address(RVA = "0x27382C0", Offset = "0x27372C0", VA = "0x1827382C0")]
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private void Kdf(IDigest digest, ECPoint c1, byte[] encData)
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{
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int num;
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byte[] array = new byte[num];
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int num2 = 0;
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if (array != 0)
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{
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int curveCoordinateSystem = c1.CurveCoordinateSystem;
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ECFieldElement affineXCoord = c1.AffineXCoord;
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this.AddFieldElement(digest, affineXCoord);
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num2 += num2;
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num2++;
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}
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int num3 = 0;
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if (num3 < encData.Length)
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{
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if (array == 0)
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{
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int curveCoordinateSystem2 = c1.CurveCoordinateSystem;
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ECFieldElement affineXCoord2 = c1.AffineXCoord;
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this.AddFieldElement(digest, affineXCoord2);
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}
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int num4 = 0;
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Pack.UInt32_To_BE((uint)1, array, num4);
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int num5 = encData.Length;
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num5 -= num2;
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int num6;
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this.Xor(encData, array, num2, num6);
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num2 += num6;
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}
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}
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// Token: 0x0600BC85 RID: 48261 RVA: 0x0029A9F4 File Offset: 0x00298BF4
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[Token(Token = "0x600BC85")]
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[Address(RVA = "0x2738730", Offset = "0x2737730", VA = "0x182738730")]
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private void Xor(byte[] data, byte[] kdfOut, int dOff, int dRemaining)
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{
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int num = 0;
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num++;
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}
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// Token: 0x0600BC86 RID: 48262 RVA: 0x0029AA10 File Offset: 0x00298C10
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[Token(Token = "0x600BC86")]
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[Address(RVA = "0x27385C0", Offset = "0x27375C0", VA = "0x1827385C0")]
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private BigInteger NextK()
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{
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int bitLength = this.mECParams.n.BitLength;
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SecureRandom secureRandom = this.mRandom;
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BigInteger bigInteger = new BigInteger(bitLength, secureRandom);
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while (bigInteger.sign == 0)
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{
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}
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BigInteger n = this.mECParams.n;
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int num = bigInteger.CompareTo(n);
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return bigInteger;
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}
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// Token: 0x0600BC87 RID: 48263 RVA: 0x0029AA64 File Offset: 0x00298C64
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[Token(Token = "0x600BC87")]
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[Address(RVA = "0x2737570", Offset = "0x2736570", VA = "0x182737570")]
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private void AddFieldElement(IDigest digest, ECFieldElement v)
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{
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}
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// Token: 0x040076C7 RID: 30407
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x40076C7")]
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private readonly IDigest mDigest;
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// Token: 0x040076C8 RID: 30408
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x40076C8")]
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private bool mForEncryption;
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// Token: 0x040076C9 RID: 30409
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x40076C9")]
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private ECKeyParameters mECKey;
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// Token: 0x040076CA RID: 30410
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x40076CA")]
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private ECDomainParameters mECParams;
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// Token: 0x040076CB RID: 30411
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x40076CB")]
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private int mCurveLength;
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// Token: 0x040076CC RID: 30412
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x40076CC")]
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private SecureRandom mRandom;
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}
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}
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