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niko
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using System;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Macs;
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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.Security;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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using Cpp2IlInjected;
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using Hjg.Pngcs;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls
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{
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// Token: 0x02001BEA RID: 7146
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[Token(Token = "0x2001BEA")]
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public class Chacha20Poly1305 : TlsCipher
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{
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// Token: 0x0600AFF9 RID: 45049 RVA: 0x00260888 File Offset: 0x0025EA88
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[Token(Token = "0x600AFF9")]
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[Address(RVA = "0x2332570", Offset = "0x2331570", VA = "0x182332570")]
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public Chacha20Poly1305(TlsContext context)
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{
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do
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{
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base..ctor();
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}
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while (!TlsUtilities.IsTlsV12(context));
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this.context = context;
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byte[] array = TlsUtilities.CalculateKeyBlock(context, 88);
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int num;
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KeyParameter keyParameter = new KeyParameter(array, num, 32);
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num = 0;
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KeyParameter keyParameter2 = new KeyParameter(array, 32, 32);
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byte[] array2 = Arrays.CopyOfRange(array, 64, 76);
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byte[] array3 = Arrays.CopyOfRange(array, 76, 88);
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ChaCha7539Engine chaCha7539Engine = new ChaCha7539Engine();
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this.encryptCipher = chaCha7539Engine;
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ChaCha7539Engine chaCha7539Engine2 = new ChaCha7539Engine();
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this.decryptCipher = chaCha7539Engine2;
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if (chaCha7539Engine2 == 0)
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{
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}
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this.encryptIV = array3;
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this.decryptIV = array2;
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ChaCha7539Engine chaCha7539Engine3 = this.encryptCipher;
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byte[] array4 = this.encryptIV;
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ParametersWithIV parametersWithIV = new ParametersWithIV(keyParameter2, array4);
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chaCha7539Engine3.Reset();
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ChaCha7539Engine chaCha7539Engine4 = this.decryptCipher;
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byte[] array5 = this.decryptIV;
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ParametersWithIV parametersWithIV2 = new ParametersWithIV(keyParameter, array5);
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string algorithmName = ((IStreamCipher)chaCha7539Engine4).AlgorithmName;
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}
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// Token: 0x0600AFFA RID: 45050 RVA: 0x0000220F File Offset: 0x0000040F
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[Token(Token = "0x600AFFA")]
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[Address(RVA = "0x23322C0", Offset = "0x23312C0", VA = "0x1823322C0", Slot = "7")]
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public virtual int GetPlaintextLimit(int ciphertextLimit)
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{
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throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
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}
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// Token: 0x0600AFFB RID: 45051 RVA: 0x00260960 File Offset: 0x0025EB60
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[Token(Token = "0x600AFFB")]
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[Address(RVA = "0x2331EF0", Offset = "0x2330EF0", VA = "0x182331EF0", Slot = "8")]
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public virtual byte[] EncodePlaintext(long seqNo, byte type, byte[] plaintext, int offset, int len)
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{
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byte[] array = this.encryptIV;
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byte[] array2 = new byte[this.encryptCipher];
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this.encryptCipher.AdvanceCounter();
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return array2;
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}
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// Token: 0x0600AFFC RID: 45052 RVA: 0x00260994 File Offset: 0x0025EB94
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[Token(Token = "0x600AFFC")]
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[Address(RVA = "0x2331CE0", Offset = "0x2330CE0", VA = "0x182331CE0", Slot = "9")]
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public virtual byte[] DecodeCiphertext(long seqNo, byte type, byte[] ciphertext, int offset, int len)
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{
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bool flag;
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do
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{
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byte[] array = this.decryptIV;
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}
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while (!flag);
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byte[] array3;
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byte[] array2 = new byte[array3];
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this.decryptCipher.AdvanceCounter();
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return array2;
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}
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// Token: 0x0600AFFD RID: 45053 RVA: 0x002609C4 File Offset: 0x0025EBC4
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[Token(Token = "0x600AFFD")]
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[Address(RVA = "0x23322D0", Offset = "0x23312D0", VA = "0x1823322D0", Slot = "10")]
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protected virtual KeyParameter InitRecord(IStreamCipher cipher, bool forEncryption, long seqNo, byte[] iv)
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{
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throw new NullReferenceException();
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}
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// Token: 0x0600AFFE RID: 45054 RVA: 0x002609D8 File Offset: 0x0025EBD8
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[Token(Token = "0x600AFFE")]
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[Address(RVA = "0x2331AB0", Offset = "0x2330AB0", VA = "0x182331AB0", Slot = "11")]
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protected virtual byte[] CalculateNonce(long seqNo, byte[] iv)
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{
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byte[] array = new byte[12];
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TlsUtilities.WriteUint64(seqNo, array, 4);
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int num = 0;
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num++;
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return array;
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}
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// Token: 0x0600AFFF RID: 45055 RVA: 0x00260A04 File Offset: 0x0025EC04
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[Token(Token = "0x600AFFF")]
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[Address(RVA = "0x2332060", Offset = "0x2331060", VA = "0x182332060", Slot = "12")]
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protected virtual KeyParameter GenerateRecordMacKey(IStreamCipher cipher)
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{
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byte[] array = new byte[64];
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int num = 0;
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num += num;
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num++;
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int num2;
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uint num3;
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KeyParameter keyParameter = new KeyParameter(array, num2, (int)num3);
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num2 = 0;
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int num4 = 0;
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Arrays.Fill(array, (byte)num4);
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return keyParameter;
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}
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// Token: 0x0600B000 RID: 45056 RVA: 0x00260A4C File Offset: 0x0025EC4C
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[Token(Token = "0x600B000")]
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[Address(RVA = "0x2331B90", Offset = "0x2330B90", VA = "0x182331B90", Slot = "13")]
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protected virtual byte[] CalculateRecordMac(KeyParameter macKey, byte[] additionalData, byte[] buf, int off, int len)
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{
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Poly1305 poly = new Poly1305();
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int length = additionalData.Length;
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return MacUtilities.DoFinal(poly);
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}
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// Token: 0x0600B001 RID: 45057 RVA: 0x00260A74 File Offset: 0x0025EC74
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[Token(Token = "0x600B001")]
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[Address(RVA = "0x23323B0", Offset = "0x23313B0", VA = "0x1823323B0", Slot = "14")]
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protected virtual void UpdateRecordMacLength(IMac mac, int len)
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{
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int length = Pack.UInt64_To_LE((ulong)len).Length;
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}
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// Token: 0x0600B002 RID: 45058 RVA: 0x00260A94 File Offset: 0x0025EC94
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[Token(Token = "0x600B002")]
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[Address(RVA = "0x2332430", Offset = "0x2331430", VA = "0x182332430", Slot = "15")]
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protected virtual void UpdateRecordMacText(IMac mac, byte[] buf, int off, int len)
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{
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if (mac < 0)
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{
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}
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}
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// Token: 0x0600B003 RID: 45059 RVA: 0x00260AAC File Offset: 0x0025ECAC
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[Token(Token = "0x600B003")]
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[Address(RVA = "0x23321C0", Offset = "0x23311C0", VA = "0x1823321C0", Slot = "16")]
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protected virtual byte[] GetAdditionalData(long seqNo, byte type, int len)
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{
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byte[] array = new byte[13];
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int num = 0;
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TlsUtilities.WriteUint64(seqNo, array, num);
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TlsUtilities.WriteUint8(type, array, 8);
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TlsContext tlsContext = this.context;
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PngHelperInternal.WriteInt2tobytes(len, array, 11);
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return array;
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}
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// Token: 0x04006ED0 RID: 28368
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[Token(Token = "0x4006ED0")]
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private static readonly byte[] Zeroes = new byte[15];
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// Token: 0x04006ED1 RID: 28369
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4006ED1")]
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protected readonly TlsContext context;
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// Token: 0x04006ED2 RID: 28370
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4006ED2")]
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protected readonly ChaCha7539Engine encryptCipher;
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// Token: 0x04006ED3 RID: 28371
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4006ED3")]
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protected readonly ChaCha7539Engine decryptCipher;
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// Token: 0x04006ED4 RID: 28372
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4006ED4")]
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protected readonly byte[] encryptIV;
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// Token: 0x04006ED5 RID: 28373
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4006ED5")]
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protected readonly byte[] decryptIV;
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}
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}
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