using System;

namespace System.Security.Cryptography.X509Certificates
{
	/// <summary>Represents an element of an X.509 chain.</summary>
	// Token: 0x0200028E RID: 654
	public class X509ChainElement
	{
		// Token: 0x06001828 RID: 6184 RVA: 0x00052330 File Offset: 0x00050530
		internal X509ChainElement(X509Certificate2 certificate)
		{
			this.certificate = certificate;
			this.info = string.Empty;
		}

		/// <summary>Gets the X.509 certificate at a particular chain element.</summary>
		/// <returns>An <see cref="T:System.Security.Cryptography.X509Certificates.X509Certificate2" /> object.</returns>
		// Token: 0x17000794 RID: 1940
		// (get) Token: 0x06001829 RID: 6185 RVA: 0x0005234C File Offset: 0x0005054C
		public X509Certificate2 Certificate
		{
			get
			{
				return this.certificate;
			}
		}

		/// <summary>Gets the error status of the current X.509 certificate in a chain.</summary>
		/// <returns>An array of <see cref="T:System.Security.Cryptography.X509Certificates.X509ChainStatus" /> objects.</returns>
		/// <PermissionSet>
		///   <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
		/// </PermissionSet>
		// Token: 0x17000795 RID: 1941
		// (get) Token: 0x0600182A RID: 6186 RVA: 0x00052354 File Offset: 0x00050554
		public X509ChainStatus[] ChainElementStatus
		{
			get
			{
				return this.status;
			}
		}

		/// <summary>Gets additional error information from an unmanaged certificate chain structure.</summary>
		/// <returns>A string representing the pwszExtendedErrorInfo member of the unmanaged CERT_CHAIN_ELEMENT structure in the Crypto API.</returns>
		// Token: 0x17000796 RID: 1942
		// (get) Token: 0x0600182B RID: 6187 RVA: 0x0005235C File Offset: 0x0005055C
		public string Information
		{
			get
			{
				return this.info;
			}
		}

		// Token: 0x17000797 RID: 1943
		// (get) Token: 0x0600182C RID: 6188 RVA: 0x00052364 File Offset: 0x00050564
		// (set) Token: 0x0600182D RID: 6189 RVA: 0x0005236C File Offset: 0x0005056C
		internal X509ChainStatusFlags StatusFlags
		{
			get
			{
				return this.compressed_status_flags;
			}
			set
			{
				this.compressed_status_flags = value;
			}
		}

		// Token: 0x0600182E RID: 6190 RVA: 0x00052378 File Offset: 0x00050578
		private int Count(X509ChainStatusFlags flags)
		{
			int num = 0;
			int num2 = 0;
			int num3 = 1;
			while (num2++ < 32)
			{
				if ((flags & (X509ChainStatusFlags)num3) == (X509ChainStatusFlags)num3)
				{
					num++;
				}
				num3 <<= 1;
			}
			return num;
		}

		// Token: 0x0600182F RID: 6191 RVA: 0x000523B0 File Offset: 0x000505B0
		private void Set(X509ChainStatus[] status, ref int position, X509ChainStatusFlags flags, X509ChainStatusFlags mask)
		{
			if ((flags & mask) != X509ChainStatusFlags.NoError)
			{
				status[position].Status = mask;
				status[position].StatusInformation = X509ChainStatus.GetInformation(mask);
				position++;
			}
		}

		// Token: 0x06001830 RID: 6192 RVA: 0x000523F0 File Offset: 0x000505F0
		internal void UncompressFlags()
		{
			if (this.compressed_status_flags == X509ChainStatusFlags.NoError)
			{
				this.status = new X509ChainStatus[0];
			}
			else
			{
				int num = this.Count(this.compressed_status_flags);
				this.status = new X509ChainStatus[num];
				int num2 = 0;
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.UntrustedRoot);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.NotTimeValid);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.NotTimeNested);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.Revoked);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.NotSignatureValid);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.NotValidForUsage);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.RevocationStatusUnknown);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.Cyclic);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.InvalidExtension);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.InvalidPolicyConstraints);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.InvalidBasicConstraints);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.InvalidNameConstraints);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.HasNotSupportedNameConstraint);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.HasNotDefinedNameConstraint);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.HasNotPermittedNameConstraint);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.HasExcludedNameConstraint);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.PartialChain);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.CtlNotTimeValid);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.CtlNotSignatureValid);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.CtlNotValidForUsage);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.OfflineRevocation);
				this.Set(this.status, ref num2, this.compressed_status_flags, X509ChainStatusFlags.NoIssuanceChainPolicy);
			}
		}

		// Token: 0x04001316 RID: 4886
		private X509Certificate2 certificate;

		// Token: 0x04001317 RID: 4887
		private X509ChainStatus[] status;

		// Token: 0x04001318 RID: 4888
		private string info;

		// Token: 0x04001319 RID: 4889
		private X509ChainStatusFlags compressed_status_flags;
	}
}