niko
209 lines
7.2 KiB
C#
209 lines
7.2 KiB
C#
using System;
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using System.Runtime.InteropServices;
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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: 0x0200152D RID: 5421
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[Token(Token = "0x200152D")]
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[StructLayout(3)]
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public class Chacha20Poly1305 : TlsCipher
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{
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// Token: 0x06009051 RID: 36945 RVA: 0x00200138 File Offset: 0x001FE338
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[Token(Token = "0x6009051")]
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[Address(RVA = "0x1E78260", Offset = "0x1E76C60", VA = "0x181E78260")]
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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: 0x06009052 RID: 36946 RVA: 0x0000220F File Offset: 0x0000040F
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[Token(Token = "0x6009052")]
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[Address(RVA = "0x1E77F50", Offset = "0x1E76950", VA = "0x181E77F50", 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: 0x06009053 RID: 36947 RVA: 0x00200210 File Offset: 0x001FE410
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[Token(Token = "0x6009053")]
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[Address(RVA = "0x1E77B80", Offset = "0x1E76580", VA = "0x181E77B80", 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: 0x06009054 RID: 36948 RVA: 0x00200244 File Offset: 0x001FE444
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[Token(Token = "0x6009054")]
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[Address(RVA = "0x1E77970", Offset = "0x1E76370", VA = "0x181E77970", 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: 0x06009055 RID: 36949 RVA: 0x00200274 File Offset: 0x001FE474
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[Token(Token = "0x6009055")]
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[Address(RVA = "0x1E77F60", Offset = "0x1E76960", VA = "0x181E77F60", 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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int num = 0;
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KeyParameter keyParameter;
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if (num < keyParameter)
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{
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num += num;
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num++;
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}
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throw new NullReferenceException();
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}
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// Token: 0x06009056 RID: 36950 RVA: 0x00200294 File Offset: 0x001FE494
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[Token(Token = "0x6009056")]
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[Address(RVA = "0x1E77740", Offset = "0x1E76140", VA = "0x181E77740", 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: 0x06009057 RID: 36951 RVA: 0x002002C0 File Offset: 0x001FE4C0
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[Token(Token = "0x6009057")]
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[Address(RVA = "0x1E77CF0", Offset = "0x1E766F0", VA = "0x181E77CF0", 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: 0x06009058 RID: 36952 RVA: 0x00200308 File Offset: 0x001FE508
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[Token(Token = "0x6009058")]
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[Address(RVA = "0x1E77820", Offset = "0x1E76220", VA = "0x181E77820", 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: 0x06009059 RID: 36953 RVA: 0x00200330 File Offset: 0x001FE530
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[Token(Token = "0x6009059")]
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[Address(RVA = "0x1E780A0", Offset = "0x1E76AA0", VA = "0x181E780A0", 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: 0x0600905A RID: 36954 RVA: 0x00200350 File Offset: 0x001FE550
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[Token(Token = "0x600905A")]
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[Address(RVA = "0x1E78120", Offset = "0x1E76B20", VA = "0x181E78120", 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: 0x0600905B RID: 36955 RVA: 0x00200368 File Offset: 0x001FE568
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[Token(Token = "0x600905B")]
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[Address(RVA = "0x1E77E50", Offset = "0x1E76850", VA = "0x181E77E50", 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: 0x04005ED4 RID: 24276
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[Token(Token = "0x4005ED4")]
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private static readonly byte[] Zeroes = new byte[15];
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// Token: 0x04005ED5 RID: 24277
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4005ED5")]
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protected readonly TlsContext context;
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// Token: 0x04005ED6 RID: 24278
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
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[Token(Token = "0x4005ED6")]
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protected readonly ChaCha7539Engine encryptCipher;
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// Token: 0x04005ED7 RID: 24279
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
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[Token(Token = "0x4005ED7")]
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protected readonly ChaCha7539Engine decryptCipher;
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// Token: 0x04005ED8 RID: 24280
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
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[Token(Token = "0x4005ED8")]
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protected readonly byte[] encryptIV;
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// Token: 0x04005ED9 RID: 24281
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[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
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[Token(Token = "0x4005ED9")]
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protected readonly byte[] decryptIV;
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}
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}
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