using System;
using System.Collections;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Digests
{
	// Token: 0x02001CFD RID: 7421
	[Token(Token = "0x2001CFD")]
	public class SkeinDigest : IDigest, IMemoable
	{
		// Token: 0x0600BBCB RID: 48075 RVA: 0x002A9364 File Offset: 0x002A7564
		[Token(Token = "0x600BBCB")]
		[Address(RVA = "0x1FE39F0", Offset = "0x1FE27F0", VA = "0x181FE39F0")]
		public SkeinDigest(int stateSizeBits, int digestSizeBits)
		{
			SkeinEngine skeinEngine = new SkeinEngine(stateSizeBits, digestSizeBits);
			this.engine = skeinEngine;
			int num = 0;
			skeinEngine.chain = num;
			skeinEngine.key = num;
			skeinEngine.preMessageParameters = num;
			skeinEngine.postMessageParameters = num;
			skeinEngine.CreateInitialState();
			skeinEngine.UbiInit(48);
		}

		// Token: 0x0600BBCC RID: 48076 RVA: 0x002A93B8 File Offset: 0x002A75B8
		[Token(Token = "0x600BBCC")]
		[Address(RVA = "0x1FE3930", Offset = "0x1FE2730", VA = "0x181FE3930")]
		public SkeinDigest(SkeinDigest digest)
		{
			SkeinEngine skeinEngine = digest.engine;
			bool isPartialBlockOkay = skeinEngine.threefish.IsPartialBlockOkay;
			SkeinEngine skeinEngine2;
			skeinEngine2.CopyIn(skeinEngine);
			this.engine = skeinEngine2;
		}

		// Token: 0x0600BBCD RID: 48077 RVA: 0x002A93F4 File Offset: 0x002A75F4
		[Token(Token = "0x600BBCD")]
		[Address(RVA = "0x1FE3730", Offset = "0x1FE2530", VA = "0x181FE3730", Slot = "12")]
		public void Reset(IMemoable other)
		{
			int num;
			SkeinEngine skeinEngine;
			for (;;)
			{
				num = 0;
				if (other != 0)
				{
					skeinEngine = this.engine;
					if (other == 0 || other != 0)
					{
						ThreefishEngine threefish = skeinEngine.threefish;
						bool isPartialBlockOkay = threefish.IsPartialBlockOkay;
						bool isPartialBlockOkay2 = threefish.IsPartialBlockOkay;
						if (isPartialBlockOkay == isPartialBlockOkay2 && skeinEngine.outputSizeBytes == (isPartialBlockOkay2 ? 1 : 0))
						{
							break;
						}
					}
				}
			}
			skeinEngine.CopyIn(num);
		}

		// Token: 0x0600BBCE RID: 48078 RVA: 0x002A9454 File Offset: 0x002A7654
		[Token(Token = "0x600BBCE")]
		[Address(RVA = "0x1FE34E0", Offset = "0x1FE22E0", VA = "0x181FE34E0", Slot = "11")]
		public IMemoable Copy()
		{
			SkeinEngine skeinEngine = this.engine;
			bool isPartialBlockOkay = skeinEngine.threefish.IsPartialBlockOkay;
			SkeinEngine skeinEngine2;
			skeinEngine2.CopyIn(skeinEngine);
			SkeinDigest skeinDigest;
			skeinDigest.engine = skeinEngine2;
			throw new NullReferenceException();
		}

		// Token: 0x17001D25 RID: 7461
		// (get) Token: 0x0600BBCF RID: 48079 RVA: 0x002A9488 File Offset: 0x002A7688
		[Token(Token = "0x17001D25")]
		public string AlgorithmName
		{
			[Token(Token = "0x600BBCF")]
			[Address(RVA = "0x1FE3AC0", Offset = "0x1FE28C0", VA = "0x181FE3AC0", Slot = "4")]
			get
			{
				object[] array = new object[4];
				if ("Skein-" != 0)
				{
				}
				array[0] = "Skein-";
				bool isPartialBlockOkay = this.engine.threefish.IsPartialBlockOkay;
				if (isPartialBlockOkay)
				{
				}
				array[1] = isPartialBlockOkay;
				if ("-" != 0)
				{
				}
				array[2] = "-";
				int outputSizeBytes = this.engine.outputSizeBytes;
				if (outputSizeBytes != 0)
				{
				}
				array[3] = outputSizeBytes;
				return string.Concat(array);
			}
		}

		// Token: 0x0600BBD0 RID: 48080 RVA: 0x002A9508 File Offset: 0x002A7708
		[Token(Token = "0x600BBD0")]
		[Address(RVA = "0x40DB30", Offset = "0x40C930", VA = "0x18040DB30", Slot = "5")]
		public int GetDigestSize()
		{
			return this.engine.outputSizeBytes;
		}

		// Token: 0x0600BBD1 RID: 48081 RVA: 0x002A9528 File Offset: 0x002A7728
		[Token(Token = "0x600BBD1")]
		[Address(RVA = "0x1FE35C0", Offset = "0x1FE23C0", VA = "0x181FE35C0", Slot = "6")]
		public int GetByteLength()
		{
			string algorithmName = ((IBlockCipher)this.engine.threefish).AlgorithmName;
			throw new NullReferenceException();
		}

		// Token: 0x0600BBD2 RID: 48082 RVA: 0x002A954C File Offset: 0x002A774C
		[Token(Token = "0x600BBD2")]
		[Address(RVA = "0x1FE3600", Offset = "0x1FE2400", VA = "0x181FE3600")]
		public void Init(SkeinParameters parameters)
		{
			SkeinEngine skeinEngine = this.engine;
			int num = 0;
			skeinEngine.chain = num;
			skeinEngine.key = num;
			skeinEngine.preMessageParameters = num;
			skeinEngine.postMessageParameters = num;
			if (parameters != 0)
			{
				byte[] key = parameters.GetKey();
				IDictionary parameters2 = parameters.parameters;
				skeinEngine.InitParams(parameters2);
			}
			skeinEngine.CreateInitialState();
			skeinEngine.UbiInit(48);
		}

		// Token: 0x0600BBD3 RID: 48083 RVA: 0x002A95AC File Offset: 0x002A77AC
		[Token(Token = "0x600BBD3")]
		[Address(RVA = "0x1FE36D0", Offset = "0x1FE24D0", VA = "0x181FE36D0", Slot = "10")]
		public void Reset()
		{
			SkeinEngine skeinEngine = this.engine;
			ulong[] chain = skeinEngine.chain;
			int length = chain.Length;
			int num = 0;
			ulong[] initialState = skeinEngine.initialState;
			int num2 = 0;
			Array.Copy(initialState, num2, chain, num, length);
			skeinEngine.UbiInit(48);
		}

		// Token: 0x0600BBD4 RID: 48084 RVA: 0x002A95F8 File Offset: 0x002A77F8
		[Token(Token = "0x600BBD4")]
		[Address(RVA = "0x1FE38D0", Offset = "0x1FE26D0", VA = "0x181FE38D0", Slot = "7")]
		public void Update(byte inByte)
		{
			SkeinEngine skeinEngine = this.engine;
			skeinEngine.singleByte[0] = inByte;
			byte[] singleByte = skeinEngine.singleByte;
			int num = 0;
			skeinEngine.Update(singleByte, num, 1);
		}

		// Token: 0x0600BBD5 RID: 48085 RVA: 0x002A9634 File Offset: 0x002A7834
		[Token(Token = "0x600BBD5")]
		[Address(RVA = "0x1C30790", Offset = "0x1C2F590", VA = "0x181C30790", Slot = "8")]
		public void BlockUpdate(byte[] inBytes, int inOff, int len)
		{
			this.engine.Update(inBytes, inOff, len);
		}

		// Token: 0x0600BBD6 RID: 48086 RVA: 0x002A9658 File Offset: 0x002A7858
		[Token(Token = "0x600BBD6")]
		[Address(RVA = "0x1C307C0", Offset = "0x1C2F5C0", VA = "0x181C307C0", Slot = "9")]
		public int DoFinal(byte[] outBytes, int outOff)
		{
			return this.engine.DoFinal(outBytes, outOff);
		}

		// Token: 0x04007744 RID: 30532
		[Token(Token = "0x4007744")]
		public const int SKEIN_256 = 256;

		// Token: 0x04007745 RID: 30533
		[Token(Token = "0x4007745")]
		public const int SKEIN_512 = 512;

		// Token: 0x04007746 RID: 30534
		[Token(Token = "0x4007746")]
		public const int SKEIN_1024 = 1024;

		// Token: 0x04007747 RID: 30535
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x4007747")]
		private readonly SkeinEngine engine;
	}
}