using System;
using System.Runtime.InteropServices;
using Cpp2IlInjected;

namespace System.Security.Cryptography
{
	/// <summary>Represents the base class for the Data Encryption Standard (DES) algorithm from which all <see cref="T:System.Security.Cryptography.DES" /> implementations must derive.</summary>
	// Token: 0x020003FF RID: 1023
	[Token(Token = "0x20003FF")]
	[ComVisible(true)]
	public abstract class DES : SymmetricAlgorithm
	{
		/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.DES" /> class.</summary>
		// Token: 0x06002388 RID: 9096 RVA: 0x00002050 File Offset: 0x00000250
		[Token(Token = "0x6002388")]
		[Address(RVA = "0xC06620", Offset = "0xC05620", VA = "0x180C06620")]
		protected DES()
		{
		}

		/// <summary>Gets or sets the secret key for the Data Encryption Standard (<see cref="T:System.Security.Cryptography.DES" />) algorithm.</summary>
		/// <returns>The secret key for the <see cref="T:System.Security.Cryptography.DES" /> algorithm.</returns>
		/// <exception cref="T:System.ArgumentNullException">An attempt was made to set the key to <see langword="null" />.</exception>
		/// <exception cref="T:System.ArgumentException">An attempt was made to set a key whose length is not equal to <see cref="F:System.Security.Cryptography.SymmetricAlgorithm.BlockSizeValue" />.</exception>
		/// <exception cref="T:System.Security.Cryptography.CryptographicException">An attempt was made to set a weak key (see <see cref="M:System.Security.Cryptography.DES.IsWeakKey(System.Byte[])" />) or a semi-weak key (see <see cref="M:System.Security.Cryptography.DES.IsSemiWeakKey(System.Byte[])" />).</exception>
		// Token: 0x1700050D RID: 1293
		// (get) Token: 0x06002389 RID: 9097 RVA: 0x00002082 File Offset: 0x00000282
		// (set) Token: 0x0600238A RID: 9098 RVA: 0x00002050 File Offset: 0x00000250
		[Token(Token = "0x1700050D")]
		public override byte[] Key
		{
			[Token(Token = "0x6002389")]
			[Address(RVA = "0xC066C0", Offset = "0xC056C0", VA = "0x180C066C0", Slot = "12")]
			get
			{
				return null;
			}
			[Token(Token = "0x600238A")]
			[Address(RVA = "0xC067C0", Offset = "0xC057C0", VA = "0x180C067C0", Slot = "13")]
			set
			{
			}
		}

		/// <summary>Creates an instance of a cryptographic object to perform the Data Encryption Standard (<see cref="T:System.Security.Cryptography.DES" />) algorithm.</summary>
		/// <returns>A cryptographic object.</returns>
		// Token: 0x0600238B RID: 9099 RVA: 0x00002082 File Offset: 0x00000282
		[Token(Token = "0x600238B")]
		[Address(RVA = "0xC05F60", Offset = "0xC04F60", VA = "0x180C05F60")]
		public new static DES Create()
		{
			return null;
		}

		/// <summary>Creates an instance of a cryptographic object to perform the specified implementation of the Data Encryption Standard (<see cref="T:System.Security.Cryptography.DES" />) algorithm.</summary>
		/// <param name="algName">The name of the specific implementation of <see cref="T:System.Security.Cryptography.DES" /> to use.</param>
		/// <returns>A cryptographic object.</returns>
		// Token: 0x0600238C RID: 9100 RVA: 0x00002082 File Offset: 0x00000282
		[Token(Token = "0x600238C")]
		[Address(RVA = "0xC05FB0", Offset = "0xC04FB0", VA = "0x180C05FB0")]
		public new static DES Create(string algName)
		{
			return null;
		}

		/// <summary>Determines whether the specified key is weak.</summary>
		/// <param name="rgbKey">The secret key to test for weakness.</param>
		/// <returns>
		///   <see langword="true" /> if the key is weak; otherwise, <see langword="false" />.</returns>
		/// <exception cref="T:System.Security.Cryptography.CryptographicException">The size of the <paramref name="rgbKey" /> parameter is not valid.</exception>
		// Token: 0x0600238D RID: 9101 RVA: 0x00016CB0 File Offset: 0x00014EB0
		[Token(Token = "0x600238D")]
		[Address(RVA = "0xC06230", Offset = "0xC05230", VA = "0x180C06230")]
		public static bool IsWeakKey(byte[] rgbKey)
		{
			return default(bool);
		}

		/// <summary>Determines whether the specified key is semi-weak.</summary>
		/// <param name="rgbKey">The secret key to test for semi-weakness.</param>
		/// <returns>
		///   <see langword="true" /> if the key is semi-weak; otherwise, <see langword="false" />.</returns>
		/// <exception cref="T:System.Security.Cryptography.CryptographicException">The size of the <paramref name="rgbKey" /> parameter is not valid.</exception>
		// Token: 0x0600238E RID: 9102 RVA: 0x00016CC8 File Offset: 0x00014EC8
		[Token(Token = "0x600238E")]
		[Address(RVA = "0xC06060", Offset = "0xC05060", VA = "0x180C06060")]
		public static bool IsSemiWeakKey(byte[] rgbKey)
		{
			return default(bool);
		}

		// Token: 0x0600238F RID: 9103 RVA: 0x00016CE0 File Offset: 0x00014EE0
		[Token(Token = "0x600238F")]
		[Address(RVA = "0xC06040", Offset = "0xC05040", VA = "0x180C06040")]
		private static bool IsLegalKeySize(byte[] rgbKey)
		{
			return default(bool);
		}

		// Token: 0x06002390 RID: 9104 RVA: 0x00016CF8 File Offset: 0x00014EF8
		[Token(Token = "0x6002390")]
		[Address(RVA = "0xC06370", Offset = "0xC05370", VA = "0x180C06370")]
		private static ulong QuadWordFromBigEndian(byte[] block)
		{
			return 0UL;
		}

		// Token: 0x0400140B RID: 5131
		[Token(Token = "0x400140B")]
		private static KeySizes[] s_legalBlockSizes;

		// Token: 0x0400140C RID: 5132
		[Token(Token = "0x400140C")]
		private static KeySizes[] s_legalKeySizes;
	}
}