using System;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers
{
	// Token: 0x020015E0 RID: 5600
	[Token(Token = "0x20015E0")]
	[StructLayout(3)]
	public class X931Signer : ISigner
	{
		// Token: 0x060095CE RID: 38350 RVA: 0x002137A0 File Offset: 0x002119A0
		[Token(Token = "0x60095CE")]
		[Address(RVA = "0x1E4F330", Offset = "0x1E4DD30", VA = "0x181E4F330")]
		public X931Signer(IAsymmetricBlockCipher cipher, IDigest digest, bool isImplicit)
		{
			/*
An exception occurred when decompiling this method (060095CE)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.X931Signer::.ctor(BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.IAsymmetricBlockCipher,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.IDigest,System.Boolean)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_3D:
	stloc:ArgumentException(var_1_4C, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("no valid trailer"), ldstr:string("digest")))
}

   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: 0x170017EE RID: 6126
		// (get) Token: 0x060095CF RID: 38351 RVA: 0x002137FC File Offset: 0x002119FC
		[Token(Token = "0x170017EE")]
		public virtual string AlgorithmName
		{
			[Token(Token = "0x60095CF")]
			[Address(RVA = "0x1E4F430", Offset = "0x1E4DE30", VA = "0x181E4F430", Slot = "11")]
			get
			{
				IDigest digest = this.digest;
				IAsymmetricBlockCipher asymmetricBlockCipher = this.cipher;
				string text;
				return text;
			}
		}

		// Token: 0x060095D0 RID: 38352 RVA: 0x00213824 File Offset: 0x00211A24
		[Token(Token = "0x60095D0")]
		[Address(RVA = "0x1E4F240", Offset = "0x1E4DC40", VA = "0x181E4F240")]
		public X931Signer(IAsymmetricBlockCipher cipher, IDigest digest)
		{
			/*
An exception occurred when decompiling this method (060095D0)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Signers.X931Signer::.ctor(BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.IAsymmetricBlockCipher,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.IDigest)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_2C:
	stloc:ArgumentException(var_1_3B, newobj:ArgumentException(ArgumentException::.ctor, ldstr:string("no valid trailer"), ldstr:string("digest")))
}

   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.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: 0x060095D1 RID: 38353 RVA: 0x0021386C File Offset: 0x00211A6C
		[Token(Token = "0x60095D1")]
		[Address(RVA = "0x1E4EE80", Offset = "0x1E4D880", VA = "0x181E4EE80", Slot = "12")]
		public virtual void Init(bool forSigning, ICipherParameters parameters)
		{
			do
			{
				if (parameters == 0)
				{
				}
			}
			while (parameters == 0);
			IAsymmetricBlockCipher asymmetricBlockCipher = this.cipher;
			this.kParam = parameters;
			BigInteger modulus = this.kParam.modulus;
			int num = 0;
			int num2 = modulus.BitLength;
			this.keyBits = num2;
			num2 += 7;
			num += num2;
			byte[] array = new byte[num];
			this.block = array;
			string algorithmName = ((ISigner)this).AlgorithmName;
		}

		// Token: 0x060095D2 RID: 38354 RVA: 0x002138D4 File Offset: 0x00211AD4
		[Token(Token = "0x60095D2")]
		[Address(RVA = "0x1E43A90", Offset = "0x1E42490", VA = "0x181E43A90")]
		private void ClearBlock(byte[] block)
		{
			int length = block.Length;
			int num = 0;
			Array.Clear(block, num, length);
		}

		// Token: 0x060095D3 RID: 38355 RVA: 0x002138F8 File Offset: 0x00211AF8
		[Token(Token = "0x60095D3")]
		[Address(RVA = "0x1E4EFE0", Offset = "0x1E4D9E0", VA = "0x181E4EFE0", Slot = "13")]
		public virtual void Update(byte b)
		{
			IDigest digest = this.digest;
			throw new NullReferenceException();
		}

		// Token: 0x060095D4 RID: 38356 RVA: 0x00213914 File Offset: 0x00211B14
		[Token(Token = "0x60095D4")]
		[Address(RVA = "0x1E4EAE0", Offset = "0x1E4D4E0", VA = "0x181E4EAE0", Slot = "14")]
		public virtual void BlockUpdate(byte[] input, int off, int len)
		{
			IDigest digest = this.digest;
		}

		// Token: 0x060095D5 RID: 38357 RVA: 0x00213930 File Offset: 0x00211B30
		[Token(Token = "0x60095D5")]
		[Address(RVA = "0x1E4EF90", Offset = "0x1E4D990", VA = "0x181E4EF90", Slot = "15")]
		public virtual void Reset()
		{
			IDigest digest = this.digest;
			throw new NullReferenceException();
		}

		// Token: 0x060095D6 RID: 38358 RVA: 0x0021394C File Offset: 0x00211B4C
		[Token(Token = "0x60095D6")]
		[Address(RVA = "0x1E4ED60", Offset = "0x1E4D760", VA = "0x181E4ED60", Slot = "16")]
		public virtual byte[] GenerateSignature()
		{
			this.CreateSignatureBlock();
			byte[] array = this.block;
			IAsymmetricBlockCipher asymmetricBlockCipher = this.cipher;
			int length = array.Length;
			byte[] array2 = this.block;
			int length2 = array2.Length;
			int num = 0;
			Array.Clear(array2, num, length2);
			BigInteger bigInteger2;
			BigInteger bigInteger = this.kParam.modulus.Subtract(bigInteger2);
			BigInteger bigInteger3 = bigInteger2.Min(bigInteger);
			return BigIntegers.AsUnsignedByteArray(BigIntegers.GetUnsignedByteLength(this.kParam.modulus), bigInteger3);
		}

		// Token: 0x060095D7 RID: 38359 RVA: 0x002139D0 File Offset: 0x00211BD0
		[Token(Token = "0x60095D7")]
		[Address(RVA = "0x1E4EB60", Offset = "0x1E4D560", VA = "0x181E4EB60")]
		private void CreateSignatureBlock()
		{
			IDigest digest = this.digest;
			byte[] array = this.block;
			if (this.trailer != 188)
			{
				int length = array.Length;
				IDigest digest2 = this.digest;
				int length2 = this.block.Length;
				int num = this.trailer;
				int length3 = this.block.Length;
				int num2 = this.trailer;
				int num3 = length3 - 1;
			}
			int length4 = array.Length;
			IDigest digest3 = this.digest;
			int num4 = this.block.Length - 1;
			byte[] array2 = this.block;
			if (num4 != 0)
			{
				byte[] array3 = this.block;
				while (num4 != array3.Length)
				{
				}
			}
			byte[] array4 = this.block;
		}

		// Token: 0x060095D8 RID: 38360 RVA: 0x00213A88 File Offset: 0x00211C88
		[Token(Token = "0x60095D8")]
		[Address(RVA = "0x1E4F040", Offset = "0x1E4DA40", VA = "0x181E4F040", Slot = "17")]
		public virtual bool VerifySignature(byte[] signature)
		{
			IAsymmetricBlockCipher asymmetricBlockCipher = this.cipher;
			int length = signature.Length;
			this.block = length;
			BigInteger bigInteger;
			if (bigInteger.IntValue == 12 || this.kParam.modulus.Subtract(bigInteger).IntValue != 12)
			{
			}
			this.CreateSignatureBlock();
			byte[] array = BigIntegers.AsUnsignedByteArray(this.block.Length, bigInteger);
			bool flag = Arrays.ConstantTimeAreEqual(this.block, array);
			byte[] array2 = this.block;
			int length2 = array2.Length;
			int num = 0;
			Array.Clear(array2, num, length2);
			int length3 = array.Length;
			int num2 = 0;
			Array.Clear(array, num2, length3);
			return flag;
		}

		// Token: 0x040062E0 RID: 25312
		[Token(Token = "0x40062E0")]
		[Obsolete]
		public const int TRAILER_IMPLICIT = 188;

		// Token: 0x040062E1 RID: 25313
		[Token(Token = "0x40062E1")]
		[Obsolete]
		public const int TRAILER_RIPEMD160 = 12748;

		// Token: 0x040062E2 RID: 25314
		[Token(Token = "0x40062E2")]
		[Obsolete]
		public const int TRAILER_RIPEMD128 = 13004;

		// Token: 0x040062E3 RID: 25315
		[Token(Token = "0x40062E3")]
		[Obsolete]
		public const int TRAILER_SHA1 = 13260;

		// Token: 0x040062E4 RID: 25316
		[Token(Token = "0x40062E4")]
		[Obsolete]
		public const int TRAILER_SHA256 = 13516;

		// Token: 0x040062E5 RID: 25317
		[Token(Token = "0x40062E5")]
		[Obsolete]
		public const int TRAILER_SHA512 = 13772;

		// Token: 0x040062E6 RID: 25318
		[Token(Token = "0x40062E6")]
		[Obsolete]
		public const int TRAILER_SHA384 = 14028;

		// Token: 0x040062E7 RID: 25319
		[Token(Token = "0x40062E7")]
		[Obsolete]
		public const int TRAILER_WHIRLPOOL = 14284;

		// Token: 0x040062E8 RID: 25320
		[Token(Token = "0x40062E8")]
		[Obsolete]
		public const int TRAILER_SHA224 = 14540;

		// Token: 0x040062E9 RID: 25321
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x10")]
		[Token(Token = "0x40062E9")]
		private IDigest digest;

		// Token: 0x040062EA RID: 25322
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x18")]
		[Token(Token = "0x40062EA")]
		private IAsymmetricBlockCipher cipher;

		// Token: 0x040062EB RID: 25323
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x20")]
		[Token(Token = "0x40062EB")]
		private RsaKeyParameters kParam;

		// Token: 0x040062EC RID: 25324
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x28")]
		[Token(Token = "0x40062EC")]
		private int trailer;

		// Token: 0x040062ED RID: 25325
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x2C")]
		[Token(Token = "0x40062ED")]
		private int keyBits;

		// Token: 0x040062EE RID: 25326
		[global::Cpp2IlInjected.FieldOffset(Offset = "0x30")]
		[Token(Token = "0x40062EE")]
		private byte[] block;
	}
}