using System;
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: 0x02001D57 RID: 7511
	[Token(Token = "0x2001D57")]
	internal class KekRecipientInfoGenerator : RecipientInfoGenerator
	{
		// Token: 0x0600BE45 RID: 48709 RVA: 0x002B5578 File Offset: 0x002B3778
		[Token(Token = "0x600BE45")]
		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
		internal KekRecipientInfoGenerator()
		{
		}

		// Token: 0x17001D72 RID: 7538
		// (set) Token: 0x0600BE46 RID: 48710 RVA: 0x002B558C File Offset: 0x002B378C
		[Token(Token = "0x17001D72")]
		internal KekIdentifier KekIdentifier
		{
			[Token(Token = "0x600BE46")]
			[Address(RVA = "0x460F90", Offset = "0x45FD90", VA = "0x180460F90")]
			set
			{
				this.kekIdentifier = value;
			}
		}

		// Token: 0x17001D73 RID: 7539
		// (set) Token: 0x0600BE47 RID: 48711 RVA: 0x002B55A0 File Offset: 0x002B37A0
		[Token(Token = "0x17001D73")]
		internal KeyParameter KeyEncryptionKey
		{
			[Token(Token = "0x600BE47")]
			[Address(RVA = "0x200EEB0", Offset = "0x200DCB0", VA = "0x18200EEB0")]
			set
			{
				string text = this.keyEncryptionKeyOID;
				this.keyEncryptionKey = value;
				AlgorithmIdentifier algorithmIdentifier = KekRecipientInfoGenerator.DetermineKeyEncAlg(text, value);
				this.keyEncryptionAlgorithm = algorithmIdentifier;
			}
		}

		// Token: 0x17001D74 RID: 7540
		// (set) Token: 0x0600BE48 RID: 48712 RVA: 0x002B55CC File Offset: 0x002B37CC
		[Token(Token = "0x17001D74")]
		internal string KeyEncryptionKeyOID
		{
			[Token(Token = "0x600BE48")]
			[Address(RVA = "0x3F7210", Offset = "0x3F6010", VA = "0x1803F7210")]
			set
			{
				this.keyEncryptionKeyOID = value;
			}
		}

		// Token: 0x0600BE49 RID: 48713 RVA: 0x002B55E0 File Offset: 0x002B37E0
		[Token(Token = "0x600BE49")]
		[Address(RVA = "0x200EC70", Offset = "0x200DA70", VA = "0x18200EC70", 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: 0x0600BE4A RID: 48714 RVA: 0x002B5648 File Offset: 0x002B3848
		[Token(Token = "0x600BE4A")]
		[Address(RVA = "0x200E700", Offset = "0x200D500", VA = "0x18200E700")]
		private static AlgorithmIdentifier DetermineKeyEncAlg(string algorithm, KeyParameter key)
		{
			/*
An exception occurred when decompiling this method (0600BE4A)

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: 0x04007916 RID: 30998
		[Token(Token = "0x4007916")]
		private static readonly CmsEnvelopedHelper Helper = CmsEnvelopedHelper.Instance;

		// Token: 0x04007917 RID: 30999
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007917")]
		private KeyParameter keyEncryptionKey;

		// Token: 0x04007918 RID: 31000
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x4007918")]
		private string keyEncryptionKeyOID;

		// Token: 0x04007919 RID: 31001
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x4007919")]
		private KekIdentifier kekIdentifier;

		// Token: 0x0400791A RID: 31002
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400791A")]
		private AlgorithmIdentifier keyEncryptionAlgorithm;
	}
}