using System;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
{
	// Token: 0x0200177A RID: 6010
	[Token(Token = "0x200177A")]
	[StructLayout(3)]
	internal class KekRecipientInfoGenerator : RecipientInfoGenerator
	{
		// Token: 0x0600A26B RID: 41579 RVA: 0x0025D168 File Offset: 0x0025B368
		[Token(Token = "0x600A26B")]
		[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
		internal KekRecipientInfoGenerator()
		{
		}

		// Token: 0x17001971 RID: 6513
		// (set) Token: 0x0600A26C RID: 41580 RVA: 0x0025D17C File Offset: 0x0025B37C
		[Token(Token = "0x17001971")]
		internal KekIdentifier KekIdentifier
		{
			[Token(Token = "0x600A26C")]
			[Address(RVA = "0x3C1260", Offset = "0x3BFC60", VA = "0x1803C1260")]
			set
			{
				this.kekIdentifier = value;
			}
		}

		// Token: 0x17001972 RID: 6514
		// (set) Token: 0x0600A26D RID: 41581 RVA: 0x0025D190 File Offset: 0x0025B390
		[Token(Token = "0x17001972")]
		internal KeyParameter KeyEncryptionKey
		{
			[Token(Token = "0x600A26D")]
			[Address(RVA = "0x65E310", Offset = "0x65CD10", VA = "0x18065E310")]
			set
			{
				string text = this.keyEncryptionKeyOID;
				this.keyEncryptionKey = value;
				AlgorithmIdentifier algorithmIdentifier = KekRecipientInfoGenerator.DetermineKeyEncAlg(text, value);
				this.keyEncryptionAlgorithm = algorithmIdentifier;
			}
		}

		// Token: 0x17001973 RID: 6515
		// (set) Token: 0x0600A26E RID: 41582 RVA: 0x0025D1BC File Offset: 0x0025B3BC
		[Token(Token = "0x17001973")]
		internal string KeyEncryptionKeyOID
		{
			[Token(Token = "0x600A26E")]
			[Address(RVA = "0x3C1280", Offset = "0x3BFC80", VA = "0x1803C1280")]
			set
			{
				this.keyEncryptionKeyOID = value;
			}
		}

		// Token: 0x0600A26F RID: 41583 RVA: 0x0025D1D0 File Offset: 0x0025B3D0
		[Token(Token = "0x600A26F")]
		[Address(RVA = "0x65E0D0", Offset = "0x65CAD0", VA = "0x18065E0D0", Slot = "4")]
		public RecipientInfo Generate(KeyParameter contentEncryptionKey, SecureRandom random)
		{
			byte[] key = contentEncryptionKey.GetKey();
			CmsEnvelopedHelper helper = KekRecipientInfoGenerator.Helper;
			Asn1Object asn1Object = this.keyEncryptionAlgorithm.ToAsn1Object();
			ParametersWithRandom parametersWithRandom = new ParametersWithRandom(this.keyEncryptionKey, random);
			int length = key.Length;
			KekIdentifier kekIdentifier = this.kekIdentifier;
			AlgorithmIdentifier algorithmIdentifier = this.keyEncryptionAlgorithm;
			DerOctetString derOctetString;
			return new RecipientInfo(new KekRecipientInfo(kekIdentifier, algorithmIdentifier, derOctetString));
		}

		// Token: 0x0600A270 RID: 41584 RVA: 0x0025D238 File Offset: 0x0025B438
		[Token(Token = "0x600A270")]
		[Address(RVA = "0x65DB60", Offset = "0x65C560", VA = "0x18065DB60")]
		private static AlgorithmIdentifier DetermineKeyEncAlg(string algorithm, KeyParameter key)
		{
			/*
An exception occurred when decompiling this method (0600A270)

ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509.AlgorithmIdentifier BestHTTP.SecureProtocol.Org.BouncyCastle.Cms.KekRecipientInfoGenerator::DetermineKeyEncAlg(System.String,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters.KeyParameter)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_F3:
	stloc:ArgumentException(var_8_FD, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("illegal keysize in AES")))
}

   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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   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: 0x04006AD3 RID: 27347
		[Token(Token = "0x4006AD3")]
		private static readonly CmsEnvelopedHelper Helper = CmsEnvelopedHelper.Instance;

		// Token: 0x04006AD4 RID: 27348
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4006AD4")]
		private KeyParameter keyEncryptionKey;

		// Token: 0x04006AD5 RID: 27349
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4006AD5")]
		private string keyEncryptionKeyOID;

		// Token: 0x04006AD6 RID: 27350
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4006AD6")]
		private KekIdentifier kekIdentifier;

		// Token: 0x04006AD7 RID: 27351
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x4006AD7")]
		private AlgorithmIdentifier keyEncryptionAlgorithm;
	}
}