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This commit is contained in:
niko
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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: 0x02001CAA RID: 7338
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[Token(Token = "0x2001CAA")]
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public class SM2Engine
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{
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// Token: 0x0600B8AE RID: 47278 RVA: 0x00291468 File Offset: 0x0028F668
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[Token(Token = "0x600B8AE")]
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[Address(RVA = "0x1DFBA50", Offset = "0x1DFA850", VA = "0x181DFBA50")]
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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: 0x0600B8AF RID: 47279 RVA: 0x00291488 File Offset: 0x0028F688
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[Token(Token = "0x600B8AF")]
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[Address(RVA = "0x3FFB80", Offset = "0x3FE980", VA = "0x1803FFB80")]
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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: 0x0600B8B0 RID: 47280 RVA: 0x002914A4 File Offset: 0x0028F6A4
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[Token(Token = "0x600B8B0")]
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[Address(RVA = "0x1DFB2A0", Offset = "0x1DFA0A0", VA = "0x181DFB2A0", 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: 0x0600B8B1 RID: 47281 RVA: 0x00291540 File Offset: 0x0028F740
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[Token(Token = "0x600B8B1")]
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[Address(RVA = "0x1DFB9A0", Offset = "0x1DFA7A0", VA = "0x181DFB9A0", 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: 0x0600B8B2 RID: 47282 RVA: 0x0029156C File Offset: 0x0028F76C
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[Token(Token = "0x600B8B2")]
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[Address(RVA = "0x1DFA8A0", Offset = "0x1DF96A0", VA = "0x181DFA8A0", 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 (0600B8B2)
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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: 0x0600B8B3 RID: 47283 RVA: 0x00291580 File Offset: 0x0028F780
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[Token(Token = "0x600B8B3")]
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[Address(RVA = "0x1DFAD50", Offset = "0x1DF9B50", VA = "0x181DFAD50")]
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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: 0x0600B8B4 RID: 47284 RVA: 0x002916BC File Offset: 0x0028F8BC
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[Token(Token = "0x600B8B4")]
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[Address(RVA = "0x1DFA8F0", Offset = "0x1DF96F0", VA = "0x181DFA8F0")]
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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 (0600B8B4)
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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: 0x0600B8B5 RID: 47285 RVA: 0x0029181C File Offset: 0x0028FA1C
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[Token(Token = "0x600B8B5")]
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[Address(RVA = "0x1DFB920", Offset = "0x1DFA720", VA = "0x181DFB920")]
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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: 0x0600B8B6 RID: 47286 RVA: 0x00291844 File Offset: 0x0028FA44
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[Token(Token = "0x600B8B6")]
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[Address(RVA = "0x1DFB560", Offset = "0x1DFA360", VA = "0x181DFB560")]
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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: 0x0600B8B7 RID: 47287 RVA: 0x002918E0 File Offset: 0x0028FAE0
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[Token(Token = "0x600B8B7")]
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[Address(RVA = "0x1DFB9D0", Offset = "0x1DFA7D0", VA = "0x181DFB9D0")]
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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: 0x0600B8B8 RID: 47288 RVA: 0x002918FC File Offset: 0x0028FAFC
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[Token(Token = "0x600B8B8")]
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[Address(RVA = "0x1DFB860", Offset = "0x1DFA660", VA = "0x181DFB860")]
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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: 0x0600B8B9 RID: 47289 RVA: 0x00291950 File Offset: 0x0028FB50
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[Token(Token = "0x600B8B9")]
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[Address(RVA = "0x1DFA810", Offset = "0x1DF9610", VA = "0x181DFA810")]
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private void AddFieldElement(IDigest digest, ECFieldElement v)
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{
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}
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// Token: 0x0400750E RID: 29966
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x400750E")]
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private readonly IDigest mDigest;
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// Token: 0x0400750F RID: 29967
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400750F")]
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private bool mForEncryption;
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// Token: 0x04007510 RID: 29968
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4007510")]
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private ECKeyParameters mECKey;
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// Token: 0x04007511 RID: 29969
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4007511")]
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private ECDomainParameters mECParams;
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// Token: 0x04007512 RID: 29970
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4007512")]
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private int mCurveLength;
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// Token: 0x04007513 RID: 29971
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x4007513")]
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private SecureRandom mRandom;
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}
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}
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