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niko
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using System;
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using System.Runtime.CompilerServices;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Encodings
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{
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// Token: 0x02001D9C RID: 7580
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[Token(Token = "0x2001D9C")]
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public class ISO9796d1Encoding : IAsymmetricBlockCipher
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{
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// Token: 0x0600BD35 RID: 48437 RVA: 0x002A2DEC File Offset: 0x002A0FEC
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[Token(Token = "0x600BD35")]
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[Address(RVA = "0x493D90", Offset = "0x492D90", VA = "0x180493D90")]
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public ISO9796d1Encoding(IAsymmetricBlockCipher cipher)
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{
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this.engine = cipher;
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}
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// Token: 0x17001DA0 RID: 7584
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// (get) Token: 0x0600BD36 RID: 48438 RVA: 0x002A2E08 File Offset: 0x002A1008
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[Token(Token = "0x17001DA0")]
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public string AlgorithmName
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{
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[Token(Token = "0x600BD36")]
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[Address(RVA = "0x249F640", Offset = "0x249E640", VA = "0x18249F640", Slot = "4")]
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get
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{
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IAsymmetricBlockCipher asymmetricBlockCipher = this.engine;
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return 0 + "/ISO9796-1Padding";
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}
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}
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// Token: 0x0600BD37 RID: 48439 RVA: 0x002A2E30 File Offset: 0x002A1030
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[Token(Token = "0x600BD37")]
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[Address(RVA = "0x411530", Offset = "0x410530", VA = "0x180411530")]
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public IAsymmetricBlockCipher GetUnderlyingCipher()
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{
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return this.engine;
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}
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// Token: 0x0600BD38 RID: 48440 RVA: 0x002A2E44 File Offset: 0x002A1044
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[Token(Token = "0x600BD38")]
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[Address(RVA = "0x249F2C0", Offset = "0x249E2C0", VA = "0x18249F2C0", Slot = "5")]
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public void Init(bool forEncryption, ICipherParameters parameters)
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{
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while (parameters != 0)
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{
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if ((parameters != 0 || parameters != 0) && parameters != 0 && parameters != 0)
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{
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if (parameters == 0)
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{
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IL_2A:
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IAsymmetricBlockCipher asymmetricBlockCipher = this.engine;
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this.modulus = (uint)1;
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this.forEncryption = forEncryption;
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int num;
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this.bitSize = num;
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return;
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}
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if (parameters != 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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goto IL_2A;
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}
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// Token: 0x0600BD39 RID: 48441 RVA: 0x002A2EA0 File Offset: 0x002A10A0
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[Token(Token = "0x600BD39")]
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[Address(RVA = "0x249F200", Offset = "0x249E200", VA = "0x18249F200", Slot = "6")]
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public int GetInputBlockSize()
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{
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IAsymmetricBlockCipher asymmetricBlockCipher = this.engine;
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if (this.inverse != (ulong)0L)
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{
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}
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throw new NullReferenceException();
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}
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// Token: 0x0600BD3A RID: 48442 RVA: 0x002A2EC4 File Offset: 0x002A10C4
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[Token(Token = "0x600BD3A")]
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[Address(RVA = "0x249F260", Offset = "0x249E260", VA = "0x18249F260", Slot = "7")]
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public int GetOutputBlockSize()
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{
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IAsymmetricBlockCipher asymmetricBlockCipher = this.engine;
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if (this.inverse == (ulong)0L)
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{
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}
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throw new NullReferenceException();
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}
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// Token: 0x0600BD3B RID: 48443 RVA: 0x002A2EE8 File Offset: 0x002A10E8
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[Token(Token = "0x600BD3B")]
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[Address(RVA = "0x249F4E0", Offset = "0x249E4E0", VA = "0x18249F4E0")]
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public void SetPadBits(int padBits)
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{
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this.padBits = padBits;
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}
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// Token: 0x0600BD3C RID: 48444 RVA: 0x002A2F08 File Offset: 0x002A1108
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[Token(Token = "0x600BD3C")]
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[Address(RVA = "0x470B70", Offset = "0x46FB70", VA = "0x180470B70")]
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public int GetPadBits()
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{
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return this.padBits;
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}
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// Token: 0x0600BD3D RID: 48445 RVA: 0x002A2F1C File Offset: 0x002A111C
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[Token(Token = "0x600BD3D")]
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[Address(RVA = "0x249F4B0", Offset = "0x249E4B0", VA = "0x18249F4B0", Slot = "8")]
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public byte[] ProcessBlock(byte[] input, int inOff, int length)
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{
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if (this.inverse == (ulong)0L)
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{
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return this.DecodeBlock(input, inOff, length);
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}
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return this.EncodeBlock(input, inOff, length);
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}
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// Token: 0x0600BD3E RID: 48446 RVA: 0x002A2F48 File Offset: 0x002A1148
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[Token(Token = "0x600BD3E")]
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[Address(RVA = "0x249EE70", Offset = "0x249DE70", VA = "0x18249EE70")]
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private byte[] EncodeBlock(byte[] input, int inOff, int inLen)
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{
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int num = this.bitSize;
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num += 7;
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byte[] array = new byte[input];
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int num2 = this.padBits;
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int num3 = this.bitSize;
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num2++;
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num3 += 13;
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int num4 = 0;
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num3 += input;
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if (num3 > 0)
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{
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num3 -= inLen;
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int num5 = array.Length;
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num5 -= num4;
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num5 -= inLen;
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int num6 = array.Length;
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num6 -= inLen;
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num4 += inLen;
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num3 = inLen - inLen;
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}
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int num7 = array.Length;
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num7 -= num3;
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int length = array.Length;
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int num8;
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if (num7 != length)
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{
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num3 = num7;
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num3 -= 0;
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num3 -= num3;
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num8 = ISO9796d1Encoding.shadows.Length;
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num8 = num7;
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num8++;
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num7 += 2;
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}
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byte b;
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num8 -= (int)b;
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int length2 = array.Length;
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if (length2 - 1 < length2)
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{
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}
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uint num9;
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byte b2;
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num9 -= (uint)b2;
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int length3 = array.Length;
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if (num9 == (uint)8)
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{
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array[0] = (byte)((ulong)0L);
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}
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uint num10;
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array[0] = (byte)num10;
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uint num11;
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array[0] = (byte)num11;
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int num12 = 0;
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int num13 = array.Length;
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num13 -= num12;
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throw new NullReferenceException();
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}
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// Token: 0x0600BD3F RID: 48447 RVA: 0x002A3060 File Offset: 0x002A1260
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[Token(Token = "0x600BD3F")]
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[Address(RVA = "0x249E870", Offset = "0x249D870", VA = "0x18249E870")]
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private byte[] DecodeBlock(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 (0600BD3F)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Encodings.ISO9796d1Encoding::DecodeBlock(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_140:
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stloc:InvalidCipherTextException(var_33_14A, newobj:InvalidCipherTextException(InvalidCipherTextException::.ctor, ldstr:string("resulting integer iS or (modulus - iS) is not congruent to 6 mod 16")))
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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: 0x0600BD40 RID: 48448 RVA: 0x002A31B8 File Offset: 0x002A13B8
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// Note: this type is marked as 'beforefieldinit'.
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[Token(Token = "0x600BD40")]
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[Address(RVA = "0x249F550", Offset = "0x249E550", VA = "0x18249F550")]
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static ISO9796d1Encoding()
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{
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BigInteger bigInteger;
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ISO9796d1Encoding.Sixteen = bigInteger;
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BigInteger bigInteger2;
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ISO9796d1Encoding.Six = bigInteger2;
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byte[] array = new byte[16];
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RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.27C3AB82CCA6CE2F199F4F670BF19513A3825B87).FieldHandle);
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ISO9796d1Encoding.shadows = array;
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byte[] array2 = new byte[16];
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RuntimeHelpers.InitializeArray(array2, fieldof(<PrivateImplementationDetails>.30F65A149AF7DE938A9287048498B966AEBE54D4).FieldHandle);
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ISO9796d1Encoding.inverse = array2;
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}
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// Token: 0x040077BB RID: 30651
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[Token(Token = "0x40077BB")]
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private static readonly BigInteger Sixteen;
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// Token: 0x040077BC RID: 30652
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[Token(Token = "0x40077BC")]
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private static readonly BigInteger Six;
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// Token: 0x040077BD RID: 30653
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[Token(Token = "0x40077BD")]
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private static readonly byte[] shadows;
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// Token: 0x040077BE RID: 30654
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[Token(Token = "0x40077BE")]
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private static readonly byte[] inverse;
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// Token: 0x040077BF RID: 30655
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x40077BF")]
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private readonly IAsymmetricBlockCipher engine;
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// Token: 0x040077C0 RID: 30656
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x40077C0")]
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private bool forEncryption;
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// Token: 0x040077C1 RID: 30657
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[FieldOffset(Offset = "0x1C")]
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[Token(Token = "0x40077C1")]
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private int bitSize;
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// Token: 0x040077C2 RID: 30658
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x40077C2")]
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private int padBits;
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// Token: 0x040077C3 RID: 30659
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x40077C3")]
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private BigInteger modulus;
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}
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}
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