using System;
using System.Collections;
using System.Runtime.InteropServices;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Sec;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X9;
using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Nist
{
	// Token: 0x020018D6 RID: 6358
	[Token(Token = "0x20018D6")]
	[StructLayout(3)]
	public sealed class NistNamedCurves
	{
		// Token: 0x0600AAE1 RID: 43745 RVA: 0x0027E258 File Offset: 0x0027C458
		[Token(Token = "0x600AAE1")]
		[Address(RVA = "0x3C1670", Offset = "0x3C0070", VA = "0x1803C1670")]
		private NistNamedCurves()
		{
		}

		// Token: 0x0600AAE2 RID: 43746 RVA: 0x0027E26C File Offset: 0x0027C46C
		[Token(Token = "0x600AAE2")]
		[Address(RVA = "0x27D23D0", Offset = "0x27D0DD0", VA = "0x1827D23D0")]
		private static void DefineCurveAlias(string name, DerObjectIdentifier oid)
		{
			IDictionary dictionary = NistNamedCurves.objIds;
			string text = Platform.ToUpperInvariant(name);
			IDictionary dictionary2 = NistNamedCurves.names;
		}

		// Token: 0x0600AAE3 RID: 43747 RVA: 0x0027E294 File Offset: 0x0027C494
		[Token(Token = "0x600AAE3")]
		[Address(RVA = "0x27D2890", Offset = "0x27D1290", VA = "0x1827D2890")]
		static NistNamedCurves()
		{
			IDictionary dictionary = Platform.CreateHashtable();
			NistNamedCurves.objIds = dictionary;
			NistNamedCurves.names = Platform.CreateHashtable();
			DerObjectIdentifier secT163r = SecObjectIdentifiers.SecT163r2;
			NistNamedCurves.DefineCurveAlias("B-163", secT163r);
			DerObjectIdentifier secT233r = SecObjectIdentifiers.SecT233r1;
			NistNamedCurves.DefineCurveAlias("B-233", secT233r);
			DerObjectIdentifier secT283r = SecObjectIdentifiers.SecT283r1;
			NistNamedCurves.DefineCurveAlias("B-283", secT283r);
			DerObjectIdentifier secT409r = SecObjectIdentifiers.SecT409r1;
			NistNamedCurves.DefineCurveAlias("B-409", secT409r);
			DerObjectIdentifier secT571r = SecObjectIdentifiers.SecT571r1;
			NistNamedCurves.DefineCurveAlias("B-571", secT571r);
			DerObjectIdentifier secT163k = SecObjectIdentifiers.SecT163k1;
			NistNamedCurves.DefineCurveAlias("K-163", secT163k);
			DerObjectIdentifier secT233k = SecObjectIdentifiers.SecT233k1;
			NistNamedCurves.DefineCurveAlias("K-233", secT233k);
			DerObjectIdentifier secT283k = SecObjectIdentifiers.SecT283k1;
			NistNamedCurves.DefineCurveAlias("K-283", secT283k);
			DerObjectIdentifier secT409k = SecObjectIdentifiers.SecT409k1;
			NistNamedCurves.DefineCurveAlias("K-409", secT409k);
			DerObjectIdentifier secT571k = SecObjectIdentifiers.SecT571k1;
			NistNamedCurves.DefineCurveAlias("K-571", secT571k);
			DerObjectIdentifier secP192r = SecObjectIdentifiers.SecP192r1;
			NistNamedCurves.DefineCurveAlias("P-192", secP192r);
			DerObjectIdentifier secP224r = SecObjectIdentifiers.SecP224r1;
			NistNamedCurves.DefineCurveAlias("P-224", secP224r);
			DerObjectIdentifier secP256r = SecObjectIdentifiers.SecP256r1;
			NistNamedCurves.DefineCurveAlias("P-256", secP256r);
			DerObjectIdentifier secP384r = SecObjectIdentifiers.SecP384r1;
			NistNamedCurves.DefineCurveAlias("P-384", secP384r);
			DerObjectIdentifier secP521r = SecObjectIdentifiers.SecP521r1;
			NistNamedCurves.DefineCurveAlias("P-521", secP521r);
		}

		// Token: 0x0600AAE4 RID: 43748 RVA: 0x0027E3D8 File Offset: 0x0027C5D8
		[Token(Token = "0x600AAE4")]
		[Address(RVA = "0x27D24D0", Offset = "0x27D0ED0", VA = "0x1827D24D0")]
		public static X9ECParameters GetByName(string name)
		{
			string text;
			do
			{
				IDictionary dictionary = NistNamedCurves.objIds;
				text = Platform.ToUpperInvariant(name);
				if (text == 0)
				{
					goto IL_19;
				}
			}
			while (text == 0);
			X9ECParameters x9ECParameters;
			return x9ECParameters;
			IL_19:
			throw new NullReferenceException();
		}

		// Token: 0x0600AAE5 RID: 43749 RVA: 0x0027E408 File Offset: 0x0027C608
		[Token(Token = "0x600AAE5")]
		[Address(RVA = "0x27D2690", Offset = "0x27D1090", VA = "0x1827D2690")]
		public static X9ECParameters GetByOid(DerObjectIdentifier oid)
		{
			return SecNamedCurves.GetByOid(oid);
		}

		// Token: 0x0600AAE6 RID: 43750 RVA: 0x0027E41C File Offset: 0x0027C61C
		[Token(Token = "0x600AAE6")]
		[Address(RVA = "0x27D2790", Offset = "0x27D1190", VA = "0x1827D2790")]
		public static DerObjectIdentifier GetOid(string name)
		{
			string text;
			do
			{
				IDictionary dictionary = NistNamedCurves.objIds;
				text = Platform.ToUpperInvariant(name);
				if (text == 0)
				{
				}
			}
			while (text == 0);
			throw new NullReferenceException();
		}

		// Token: 0x0600AAE7 RID: 43751 RVA: 0x0027E448 File Offset: 0x0027C648
		[Token(Token = "0x600AAE7")]
		[Address(RVA = "0x27D26F0", Offset = "0x27D10F0", VA = "0x1827D26F0")]
		public static string GetName(DerObjectIdentifier oid)
		{
			IDictionary dictionary = NistNamedCurves.names;
			throw new NullReferenceException();
		}

		// Token: 0x17001B08 RID: 6920
		// (get) Token: 0x0600AAE8 RID: 43752 RVA: 0x0027E460 File Offset: 0x0027C660
		[Token(Token = "0x17001B08")]
		public static IEnumerable Names
		{
			[Token(Token = "0x600AAE8")]
			[Address(RVA = "0x27D2B40", Offset = "0x27D1540", VA = "0x1827D2B40")]
			get
			{
				IDictionary dictionary = NistNamedCurves.names;
				throw new NullReferenceException();
			}
		}

		// Token: 0x04006FEA RID: 28650
		[Token(Token = "0x4006FEA")]
		private static readonly IDictionary objIds;

		// Token: 0x04006FEB RID: 28651
		[Token(Token = "0x4006FEB")]
		private static readonly IDictionary names;
	}
}