using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Threading;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers
{
	// Token: 0x020015C9 RID: 5577
	[Token(Token = "0x20015C9")]
	[StructLayout(3)]
	public class Ed25519Signer : ISigner
	{
		// Token: 0x0600950E RID: 38158 RVA: 0x0020FB28 File Offset: 0x0020DD28
		[Token(Token = "0x600950E")]
		[Address(RVA = "0x1E3DF00", Offset = "0x1E3C900", VA = "0x181E3DF00")]
		public Ed25519Signer()
		{
			Ed25519Signer.Buffer buffer = new Ed25519Signer.Buffer();
			this.buffer = buffer;
			base..ctor();
		}

		// Token: 0x170017DD RID: 6109
		// (get) Token: 0x0600950F RID: 38159 RVA: 0x0020FB48 File Offset: 0x0020DD48
		[Token(Token = "0x170017DD")]
		public virtual string AlgorithmName
		{
			[Token(Token = "0x600950F")]
			[Address(RVA = "0x1E3DF60", Offset = "0x1E3C960", VA = "0x181E3DF60", Slot = "11")]
			get
			{
				return "Ed25519";
			}
		}

		// Token: 0x06009510 RID: 38160 RVA: 0x0020FB5C File Offset: 0x0020DD5C
		[Token(Token = "0x6009510")]
		[Address(RVA = "0x1E3DD80", Offset = "0x1E3C780", VA = "0x181E3DD80", Slot = "12")]
		public virtual void Init(bool forSigning, ICipherParameters parameters)
		{
			int num;
			do
			{
				this.forSigning = forSigning;
				num = 0;
				if (!forSigning)
				{
					this.privateKey = num;
					if (parameters == 0)
					{
						goto IL_2B;
					}
					if (parameters == 0)
					{
						continue;
					}
				}
			}
			while (parameters != 0 && parameters == 0);
			this.privateKey = num;
			IL_2B:
			Ed25519PublicKeyParameters ed25519PublicKeyParameters;
			this.publicKey = ed25519PublicKeyParameters;
			string algorithmName = ((ISigner)this).AlgorithmName;
		}

		// Token: 0x06009511 RID: 38161 RVA: 0x0020FBA4 File Offset: 0x0020DDA4
		[Token(Token = "0x6009511")]
		[Address(RVA = "0xA20E50", Offset = "0xA1F850", VA = "0x180A20E50", Slot = "13")]
		public virtual void Update(byte b)
		{
			((IDisposable)this.buffer).Dispose();
		}

		// Token: 0x06009512 RID: 38162 RVA: 0x0020FBC4 File Offset: 0x0020DDC4
		[Token(Token = "0x6009512")]
		[Address(RVA = "0xA20FC0", Offset = "0xA1F9C0", VA = "0x180A20FC0", Slot = "14")]
		public virtual void BlockUpdate(byte[] buf, int off, int len)
		{
			int num = this.buffer.Read(buf, off, len);
		}

		// Token: 0x06009513 RID: 38163 RVA: 0x0020FBE8 File Offset: 0x0020DDE8
		[Token(Token = "0x6009513")]
		[Address(RVA = "0x1E3DCF0", Offset = "0x1E3C6F0", VA = "0x181E3DCF0", Slot = "15")]
		public virtual byte[] GenerateSignature()
		{
			/*
An exception occurred when decompiling this method (06009513)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Byte[] BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.Ed25519Signer::GenerateSignature()

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_2B:
	stloc:InvalidOperationException(var_3_35, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("Ed25519Signer not initialised for signature generation.")))
}

   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
   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
   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
   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
   --- End of inner exception stack trace ---
   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
   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
*/;
		}

		// Token: 0x06009514 RID: 38164 RVA: 0x0020FC2C File Offset: 0x0020DE2C
		[Token(Token = "0x6009514")]
		[Address(RVA = "0x1E3DE70", Offset = "0x1E3C870", VA = "0x181E3DE70", Slot = "16")]
		public virtual bool VerifySignature(byte[] signature)
		{
			/*
An exception occurred when decompiling this method (06009514)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Boolean BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.Ed25519Signer::VerifySignature(System.Byte[])

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_22:
	stloc:InvalidOperationException(var_1_2C, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("Ed25519Signer not initialised for verification")))
}

   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
   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
   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
   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
   --- End of inner exception stack trace ---
   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
   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
*/;
		}

		// Token: 0x06009515 RID: 38165 RVA: 0x0020FC68 File Offset: 0x0020DE68
		[Token(Token = "0x6009515")]
		[Address(RVA = "0x1E3DE50", Offset = "0x1E3C850", VA = "0x181E3DE50", Slot = "17")]
		public virtual void Reset()
		{
			this.buffer.Reset();
		}

		// Token: 0x04006265 RID: 25189
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4006265")]
		private readonly Ed25519Signer.Buffer buffer;

		// Token: 0x04006266 RID: 25190
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4006266")]
		private bool forSigning;

		// Token: 0x04006267 RID: 25191
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006267")]
		private Ed25519PrivateKeyParameters privateKey;

		// Token: 0x04006268 RID: 25192
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006268")]
		private Ed25519PublicKeyParameters publicKey;

		// Token: 0x020015CA RID: 5578
		[Token(Token = "0x20015CA")]
		private class Buffer : MemoryStream
		{
			// Token: 0x06009516 RID: 38166 RVA: 0x0020FC88 File Offset: 0x0020DE88
			[Token(Token = "0x6009516")]
			[Address(RVA = "0x1E38E30", Offset = "0x1E37830", VA = "0x181E38E30")]
			internal byte[] GenerateSignature(Ed25519PrivateKeyParameters privateKey, Ed25519PublicKeyParameters publicKey)
			{
				int num;
				byte[] array;
				do
				{
					num = 0;
					long length = this.Length;
					array = new byte[Ed25519PrivateKeyParameters.SignatureSize];
					this.Reset();
					Monitor.Exit(this);
					if (num != -1)
					{
					}
				}
				while (num != 0);
				return array;
			}

			// Token: 0x06009517 RID: 38167 RVA: 0x0020FCC4 File Offset: 0x0020DEC4
			[Token(Token = "0x6009517")]
			[Address(RVA = "0x1E39650", Offset = "0x1E38050", VA = "0x181E39650")]
			internal bool VerifySignature(Ed25519PublicKeyParameters publicKey, byte[] signature)
			{
				int num;
				do
				{
					num = 0;
					long length = this.Length;
					byte[] encoded = publicKey.GetEncoded();
					this.Reset();
					Monitor.Exit(this);
					if (num != -1)
					{
					}
				}
				while (num != 0);
				bool flag;
				return flag;
			}

			// Token: 0x06009518 RID: 38168 RVA: 0x0020FCFC File Offset: 0x0020DEFC
			[Token(Token = "0x6009518")]
			[Address(RVA = "0x1E393B0", Offset = "0x1E37DB0", VA = "0x181E393B0")]
			internal void Reset()
			{
				int num;
				do
				{
					num = 0;
					long length = this.Length;
					long position = this.Position;
					Monitor.Exit(this);
					if (num != -1)
					{
					}
				}
				while (num != 0);
			}

			// Token: 0x06009519 RID: 38169 RVA: 0x0020FD28 File Offset: 0x0020DF28
			[Token(Token = "0x6009519")]
			[Address(RVA = "0x1E39980", Offset = "0x1E38380", VA = "0x181E39980")]
			public Buffer()
			{
			}
		}
	}
}