<?xml version="1.0" encoding="utf-8"?>
<Type Name="X509SubjectKeyIdentifierHashAlgorithm" FullName="System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm">
  <TypeSignature Language="C#" Value="public enum X509SubjectKeyIdentifierHashAlgorithm" />
  <TypeSignature Language="ILAsm" Value=".class public auto ansi sealed X509SubjectKeyIdentifierHashAlgorithm extends System.Enum" />
  <AssemblyInfo>
    <AssemblyName>System</AssemblyName>
    <AssemblyVersion>2.0.0.0</AssemblyVersion>
    <AssemblyVersion>4.0.0.0</AssemblyVersion>
  </AssemblyInfo>
  <Base>
    <BaseTypeName>System.Enum</BaseTypeName>
  </Base>
  <Docs>
    <since version=".NET 2.0" />
    <remarks>
      <attribution license="cc4" from="Microsoft" modified="false" />
      <para>The subject key identifier (SKI) provides a unique identification for a certificate's subject when working with XML digital signing.  An SKI is an SHA-1 hash of the subject's public key information.</para>
      <para>Use the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm" /> enumeration to define the type of hash algorithm to use with the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class when creating an SKI.  </para>
    </remarks>
    <summary>
      <attribution license="cc4" from="Microsoft" modified="false" />
      <para>Defines the type of hash algorithm to use with the <see cref="T:System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension" /> class.</para>
    </summary>
  </Docs>
  <Members>
    <Member MemberName="CapiSha1">
      <MemberSignature Language="C#" Value="CapiSha1" />
      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm CapiSha1 = int32(2)" />
      <MemberType>Field</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm</ReturnType>
      </ReturnValue>
      <Docs>
        <since version=".NET 2.0" />
        <summary>
          <attribution license="cc4" from="Microsoft" modified="false" />
          <para>The subject key identifier (SKI) is composed of a 160-bit SHA-1 hash of the encoded public key (including the tag, length, and number of unused bits).</para>
        </summary>
      </Docs>
    </Member>
    <Member MemberName="Sha1">
      <MemberSignature Language="C#" Value="Sha1" />
      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm Sha1 = int32(0)" />
      <MemberType>Field</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm</ReturnType>
      </ReturnValue>
      <Docs>
        <since version=".NET 2.0" />
        <summary>
          <attribution license="cc4" from="Microsoft" modified="false" />
          <para>The SKI is composed of the 160-bit SHA-1 hash of the value of the public key (excluding the tag, length, and number of unused bits).</para>
        </summary>
      </Docs>
    </Member>
    <Member MemberName="ShortSha1">
      <MemberSignature Language="C#" Value="ShortSha1" />
      <MemberSignature Language="ILAsm" Value=".field public static literal valuetype System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm ShortSha1 = int32(1)" />
      <MemberType>Field</MemberType>
      <AssemblyInfo>
        <AssemblyVersion>2.0.0.0</AssemblyVersion>
        <AssemblyVersion>4.0.0.0</AssemblyVersion>
      </AssemblyInfo>
      <ReturnValue>
        <ReturnType>System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm</ReturnType>
      </ReturnValue>
      <Docs>
        <since version=".NET 2.0" />
        <summary>
          <attribution license="cc4" from="Microsoft" modified="false" />
          <para>The SKI is composed of a four-bit type field with the value 0100, followed by the least significant 60 bits of the SHA-1 hash of the value of the public key (excluding the tag, length, and number of unused bit string bits)</para>
        </summary>
      </Docs>
    </Member>
  </Members>
</Type>