﻿<?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>