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niko
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using System;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
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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: 0x02001C3F RID: 7231
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[Token(Token = "0x2001C3F")]
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public class TlsAeadCipher : TlsCipher
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{
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// Token: 0x0600B1E5 RID: 45541 RVA: 0x00266EA4 File Offset: 0x002650A4
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[Token(Token = "0x600B1E5")]
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[Address(RVA = "0x49AE30", Offset = "0x499E30", VA = "0x18049AE30")]
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public TlsAeadCipher(TlsContext context, IAeadBlockCipher clientWriteCipher, IAeadBlockCipher serverWriteCipher, int cipherKeySize, int macSize)
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{
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}
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// Token: 0x0600B1E6 RID: 45542 RVA: 0x00266EB4 File Offset: 0x002650B4
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[Token(Token = "0x600B1E6")]
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[Address(RVA = "0x49AE60", Offset = "0x499E60", VA = "0x18049AE60")]
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internal TlsAeadCipher(TlsContext context, IAeadBlockCipher clientWriteCipher, IAeadBlockCipher serverWriteCipher, int cipherKeySize, int macSize, int nonceMode)
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{
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/*
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An exception occurred when decompiling this method (0600B1E6)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsAeadCipher::.ctor(BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Tls.TlsContext,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.IAeadBlockCipher,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Modes.IAeadBlockCipher,System.Int32,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_82:
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stloc:TlsFatalAlert(var_12_89, newobj:TlsFatalAlert(TlsFatalAlert::.ctor, ldloc:uint64[exp:uint8](var_13)))
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stloc:TlsFatalAlert(var_14_92, newobj:TlsFatalAlert(TlsFatalAlert::.ctor, ldloc:uint64[exp:uint8](var_15)))
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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: 0x0600B1E7 RID: 45543 RVA: 0x00266F54 File Offset: 0x00265154
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[Token(Token = "0x600B1E7")]
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[Address(RVA = "0x49AE20", Offset = "0x499E20", VA = "0x18049AE20", Slot = "7")]
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public virtual int GetPlaintextLimit(int ciphertextLimit)
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{
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return ciphertextLimit;
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}
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// Token: 0x0600B1E8 RID: 45544 RVA: 0x00266F64 File Offset: 0x00265164
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[Token(Token = "0x600B1E8")]
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[Address(RVA = "0x49A920", Offset = "0x499920", VA = "0x18049A920", 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[] array2;
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byte[] array4;
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for (;;)
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{
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byte[] array = this.encryptImplicitNonce;
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int num = this.record_iv_length;
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int length = array.Length;
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num += length;
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array2 = new byte[num];
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int num2 = this.nonceMode;
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if (num2 == 1)
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{
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byte[] array3 = this.encryptImplicitNonce;
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int length2 = array3.Length;
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int num3 = 0;
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int num4 = 0;
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Array.Copy(array3, num4, array2, num3, length2);
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int length3 = this.encryptImplicitNonce.Length;
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TlsUtilities.WriteUint64(seqNo, array2, length3);
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IAeadBlockCipher aeadBlockCipher = this.encryptCipher;
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int num5 = this.record_iv_length;
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num5 += num2;
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array4 = new byte[num5];
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int num6 = this.record_iv_length;
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if (num6 != 0)
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{
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int num7 = array2.Length;
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num7 -= num6;
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int num8 = 0;
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Array.Copy(array2, num7, array4, num8, num6);
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}
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int num9 = this.macSize;
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IAeadBlockCipher aeadBlockCipher2 = this.encryptCipher;
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IAeadBlockCipher aeadBlockCipher3 = this.encryptCipher;
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IAeadBlockCipher aeadBlockCipher4 = this.encryptCipher;
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AeadParameters aeadParameters;
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num9 += aeadParameters;
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if (num9 == array4.Length)
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{
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break;
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}
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}
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else if (num2 == 2)
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{
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goto Block_3;
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}
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}
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return array4;
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Block_3:
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int length4 = array2.Length;
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TlsUtilities.WriteUint64(seqNo, array2, length4);
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int num10 = 0;
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int i = 0;
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byte[] array5 = this.encryptImplicitNonce;
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while (i >= array5.Length)
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{
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}
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num10++;
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byte[] array6 = this.encryptImplicitNonce;
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throw new NullReferenceException();
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}
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// Token: 0x0600B1E9 RID: 45545 RVA: 0x002670AC File Offset: 0x002652AC
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[Token(Token = "0x600B1E9")]
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[Address(RVA = "0x49A500", Offset = "0x499500", VA = "0x18049A500", 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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byte[] array6;
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for (;;)
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{
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byte[] array = this.decryptImplicitNonce;
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int num = this.record_iv_length;
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int length = array.Length;
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num += length;
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byte[] array2 = new byte[num];
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int num2 = this.nonceMode;
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if (num2 == 1)
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{
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byte[] array3 = this.decryptImplicitNonce;
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int length2 = array3.Length;
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int num3 = 0;
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int num4 = 0;
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Array.Copy(array3, num4, array2, num3, length2);
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int num5 = this.record_iv_length;
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int num6 = array2.Length;
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num6 -= num5;
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Array.Copy(ciphertext, (int)seqNo, array2, num6, num5);
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}
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if (num2 == 2)
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{
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int length3 = array2.Length;
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TlsUtilities.WriteUint64(seqNo, array2, length3);
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int num7 = 0;
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int num8 = 0;
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byte[] array4 = this.decryptImplicitNonce;
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if (num8 < array4.Length)
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{
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num7++;
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byte[] array5 = this.decryptImplicitNonce;
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}
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int num9 = this.record_iv_length;
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IAeadBlockCipher aeadBlockCipher = this.decryptCipher;
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array6 = new byte[num9];
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IAeadBlockCipher aeadBlockCipher2 = this.decryptCipher;
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IAeadBlockCipher aeadBlockCipher3 = this.decryptCipher;
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IAeadBlockCipher aeadBlockCipher4 = this.decryptCipher;
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AeadParameters aeadParameters;
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aeadParameters += aeadParameters;
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if (aeadParameters == array6.Length)
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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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return array6;
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}
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// Token: 0x0600B1EA RID: 45546 RVA: 0x002671CC File Offset: 0x002653CC
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[Token(Token = "0x600B1EA")]
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[Address(RVA = "0x49AD20", Offset = "0x499D20", VA = "0x18049AD20", Slot = "10")]
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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: 0x04007197 RID: 29079
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[Token(Token = "0x4007197")]
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public const int NONCE_RFC5288 = 1;
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// Token: 0x04007198 RID: 29080
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[Token(Token = "0x4007198")]
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internal const int NONCE_DRAFT_CHACHA20_POLY1305 = 2;
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// Token: 0x04007199 RID: 29081
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x4007199")]
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protected readonly TlsContext context;
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// Token: 0x0400719A RID: 29082
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400719A")]
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protected readonly int macSize;
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// Token: 0x0400719B RID: 29083
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[FieldOffset(Offset = "0x1C")]
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[Token(Token = "0x400719B")]
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protected readonly int record_iv_length;
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// Token: 0x0400719C RID: 29084
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400719C")]
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protected readonly IAeadBlockCipher encryptCipher;
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// Token: 0x0400719D RID: 29085
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x400719D")]
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protected readonly IAeadBlockCipher decryptCipher;
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// Token: 0x0400719E RID: 29086
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[FieldOffset(Offset = "0x30")]
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[Token(Token = "0x400719E")]
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protected readonly byte[] encryptImplicitNonce;
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// Token: 0x0400719F RID: 29087
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[FieldOffset(Offset = "0x38")]
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[Token(Token = "0x400719F")]
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protected readonly byte[] decryptImplicitNonce;
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// Token: 0x040071A0 RID: 29088
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[FieldOffset(Offset = "0x40")]
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[Token(Token = "0x40071A0")]
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protected readonly int nonceMode;
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}
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}
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