﻿<?xml version="1.0" encoding="utf-8"?><Type Name="X509KeyUsageExtension" FullName="System.Security.Cryptography.X509Certificates.X509KeyUsageExtension"><TypeSignature Language="C#" Value="public sealed class X509KeyUsageExtension : System.Security.Cryptography.X509Certificates.X509Extension" /><TypeSignature Language="ILAsm" Value=".class public auto ansi sealed beforefieldinit X509KeyUsageExtension extends System.Security.Cryptography.X509Certificates.X509Extension" /><AssemblyInfo><AssemblyName>System</AssemblyName><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><Base><BaseTypeName>System.Security.Cryptography.X509Certificates.X509Extension</BaseTypeName></Base><Interfaces /><Docs><since version=".NET 2.0" /><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>The <see cref="T:System.Security.Cryptography.X509Certificates.X509KeyUsageExtension" /> class uses the flags in the <see cref="T:System.Security.Cryptography.X509Certificates.X509KeyUsageFlags" /> enumeration to define or determine key usage.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Defines the usage of a key contained within an X.509 certificate.  This class cannot be inherited.</para></summary></Docs><Members><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public X509KeyUsageExtension ();" /><MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" /><MemberType>Constructor</MemberType><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><Parameters /><Docs><remarks>To be added.</remarks><since version=".NET 2.0" /><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509KeyUsageExtension" /> class.</para></summary></Docs></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public X509KeyUsageExtension (System.Security.Cryptography.AsnEncodedData encodedKeyUsage, bool critical);" /><MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(class System.Security.Cryptography.AsnEncodedData encodedKeyUsage, bool critical) cil managed" /><MemberType>Constructor</MemberType><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><Parameters><Parameter Name="encodedKeyUsage" Type="System.Security.Cryptography.AsnEncodedData" /><Parameter Name="critical" Type="System.Boolean" /></Parameters><Docs><since version=".NET 2.0" /><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>Use this constructor if the information to create the extension is already in an <see cref="T:System.Security.Cryptography.AsnEncodedData" /> object.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509KeyUsageExtension" /> class using an <see cref="T:System.Security.Cryptography.AsnEncodedData" /> object and a value that identifies whether the extension is critical. </para></summary><param name="encodedKeyUsage"><attribution license="cc4" from="Microsoft" modified="false" />The encoded data to use to create the extension.</param><param name="critical"><attribution license="cc4" from="Microsoft" modified="false" />true if the extension is critical; otherwise, false.</param></Docs></Member><Member MemberName=".ctor"><MemberSignature Language="C#" Value="public X509KeyUsageExtension (System.Security.Cryptography.X509Certificates.X509KeyUsageFlags keyUsages, bool critical);" /><MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(valuetype System.Security.Cryptography.X509Certificates.X509KeyUsageFlags keyUsages, bool critical) cil managed" /><MemberType>Constructor</MemberType><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><Parameters><Parameter Name="keyUsages" Type="System.Security.Cryptography.X509Certificates.X509KeyUsageFlags" /><Parameter Name="critical" Type="System.Boolean" /></Parameters><Docs><remarks>To be added.</remarks><since version=".NET 2.0" /><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509KeyUsageExtension" /> class using the specified <see cref="T:System.Security.Cryptography.X509Certificates.X509KeyUsageFlags" /> value and a value that identifies whether the extension is critical. </para></summary><param name="keyUsages"><attribution license="cc4" from="Microsoft" modified="false" />One of the <see cref="T:System.Security.Cryptography.X509Certificates.X509KeyUsageFlags" /> values that describes how to use the key.</param><param name="critical"><attribution license="cc4" from="Microsoft" modified="false" />true if the extension is critical; otherwise, false.</param></Docs></Member><Member MemberName="CopyFrom"><MemberSignature Language="C#" Value="public override void CopyFrom (System.Security.Cryptography.AsnEncodedData encodedData);" /><MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance void CopyFrom(class System.Security.Cryptography.AsnEncodedData encodedData) cil managed" /><MemberType>Method</MemberType><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Void</ReturnType></ReturnValue><Parameters><Parameter Name="encodedData" Type="System.Security.Cryptography.AsnEncodedData" /></Parameters><Docs><param name="encodedData">To be added.</param><remarks>To be added.</remarks><since version=".NET 2.0" /><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.X509Certificates.X509KeyUsageExtension" /> class using an <see cref="T:System.Security.Cryptography.AsnEncodedData" /> object. </para></summary></Docs></Member><Member MemberName="KeyUsages"><MemberSignature Language="C#" Value="public System.Security.Cryptography.X509Certificates.X509KeyUsageFlags KeyUsages { get; }" /><MemberSignature Language="ILAsm" Value=".property instance valuetype System.Security.Cryptography.X509Certificates.X509KeyUsageFlags KeyUsages" /><MemberType>Property</MemberType><AssemblyInfo><AssemblyVersion>2.0.0.0</AssemblyVersion><AssemblyVersion>4.0.0.0</AssemblyVersion></AssemblyInfo><ReturnValue><ReturnType>System.Security.Cryptography.X509Certificates.X509KeyUsageFlags</ReturnType></ReturnValue><Docs><value>To be added.</value><since version=".NET 2.0" /><remarks><attribution license="cc4" from="Microsoft" modified="false" /><para>This property returns a value from the <see cref="P:System.Security.Cryptography.X509Certificates.X509KeyUsageExtension.KeyUsages" /> enumeration that indicates how to use the certificate key.</para></remarks><summary><attribution license="cc4" from="Microsoft" modified="false" /><para>Gets the key usage flag associated with the certificate.</para></summary></Docs></Member></Members></Type>