Provides types for reading, exporting and verifying Authenticode X.509 v3 certificates. These certificates are signed with a private key that uniquely and positively identifies the holder of the certificate.

Commonly Used Types:

System.Security.Cryptography.X509Certificates.X509Certificate2

System.Security.Cryptography.X509Certificates.X509Certificate

System.Security.Cryptography.X509Certificates.X509ContentType

System.Security.Cryptography.X509Certificates.StoreLocation

System.Security.Cryptography.X509Certificates.StoreName

System.Security.Cryptography.X509Certificates.X509FindType

System.Security.Cryptography.X509Certificates.X509ChainStatus

System.Security.Cryptography.X509Certificates.X509Certificate2Collection

System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension

System.Security.Cryptography.X509Certificates.X509Chain

When using NuGet 3.x this package requires at least version 3.4.

To install System.Security.Cryptography.X509Certificates, run the following command in the Package Manager Console

Requires NuGet 2.12 or higher.

Release Notes

https://go.microsoft.com/fwlink/?LinkID=799421

Owners

• microsoft
• dotnetframework

Copyright

© Microsoft Corporation. All rights reserved.

Dependencies

• .NETCore 5.0

  • Microsoft.NETCore.Platforms (>= 1.1.0)
  • System.Collections (>= 4.3.0)
  • System.Globalization (>= 4.3.0)
  • System.Globalization.Calendars (>= 4.3.0)
  • System.IO (>= 4.3.0)
  • System.IO.FileSystem (>= 4.3.0)
  • System.Resources.ResourceManager (>= 4.3.0)
  • System.Runtime (>= 4.3.0)
  • System.Runtime.Extensions (>= 4.3.0)
  • System.Runtime.Handles (>= 4.3.0)
  • System.Runtime.InteropServices (>= 4.3.0)
  • System.Runtime.Numerics (>= 4.3.0)
  • System.Security.Cryptography.Algorithms (>= 4.3.0)
  • System.Security.Cryptography.Cng (>= 4.3.0)
  • System.Security.Cryptography.Encoding (>= 4.3.0)
  • System.Security.Cryptography.Primitives (>= 4.3.0)
  • System.Text.Encoding (>= 4.3.0)
  • System.Threading (>= 4.3.0)

• .NETFramework 4.6

  • System.Security.Cryptography.Algorithms (>= 4.3.0)
  • System.Security.Cryptography.Encoding (>= 4.3.0)

• .NETFramework 4.6.1

  • System.Security.Cryptography.Algorithms (>= 4.3.0)
  • System.Security.Cryptography.Encoding (>= 4.3.0)

• .NETStandard 1.3

  • System.Runtime (>= 4.3.0)
  • System.Runtime.Handles (>= 4.3.0)
  • System.Security.Cryptography.Algorithms (>= 4.3.0)
  • System.Security.Cryptography.Encoding (>= 4.3.0)

• .NETStandard 1.4

  • System.Runtime (>= 4.3.0)
  • System.Runtime.Handles (>= 4.3.0)
  • System.Security.Cryptography.Algorithms (>= 4.3.0)
  • System.Security.Cryptography.Encoding (>= 4.3.0)

• .NETStandard 1.6

  • Microsoft.NETCore.Platforms (>= 1.1.0)
  • runtime.native.System (>= 4.3.0)
  • runtime.native.System.Net.Http (>= 4.3.0)
  • runtime.native.System.Security.Cryptography.OpenSsl (>= 4.3.0)
  • System.Collections (>= 4.3.0)
  • System.Diagnostics.Debug (>= 4.3.0)
  • System.Globalization (>= 4.3.0)
  • System.Globalization.Calendars (>= 4.3.0)
  • System.IO (>= 4.3.0)
  • System.IO.FileSystem (>= 4.3.0)
  • System.IO.FileSystem.Primitives (>= 4.3.0)
  • System.Resources.ResourceManager (>= 4.3.0)
  • System.Runtime (>= 4.3.0)
  • System.Runtime.Extensions (>= 4.3.0)
  • System.Runtime.Handles (>= 4.3.0)
  • System.Runtime.InteropServices (>= 4.3.0)
  • System.Runtime.Numerics (>= 4.3.0)
  • System.Security.Cryptography.Algorithms (>= 4.3.0)
  • System.Security.Cryptography.Cng (>= 4.3.0)
  • System.Security.Cryptography.Csp (>= 4.3.0)
  • System.Security.Cryptography.Encoding (>= 4.3.0)
  • System.Security.Cryptography.OpenSsl (>= 4.3.0)
  • System.Security.Cryptography.Primitives (>= 4.3.0)
  • System.Text.Encoding (>= 4.3.0)
  • System.Threading (>= 4.3.0)

• MonoAndroid 1.0

  • No dependencies.

• MonoTouch 1.0

  • No dependencies.

• Xamarin.iOS 1.0

  • No dependencies.

• Xamarin.Mac 2.0

  • No dependencies.

• Xamarin.TVOS 1.0

  • No dependencies.

• Xamarin.WatchOS 1.0

  • No dependencies.

Version History

Version	Downloads	Last updated
System.Security... 4.3.0 (this version)	1,968,179	Tuesday, November 15, 2016
System.Security... 4.3.0-preview1-24530-04	160,937	Monday, October 24, 2016
System.Security... 4.1.0	2,281,631	Monday, June 27, 2016
System.Security... 4.1.0-rc2-24027	2,212,098	Monday, May 16, 2016
System.Security... 4.0.0-beta-23516	344,452	Wednesday, November 18, 2015
System.Security... 4.0.0-beta-23409	374,718	Thursday, October 15, 2015
System.Security... 4.0.0-beta-23225	159,443	Wednesday, September 2, 2015
System.Security... 4.0.0-beta-23123	2,791	Wednesday, July 29, 2015
System.Security... 4.0.0-beta-23109	55,136	Monday, July 27, 2015
System.Security... 4.0.0-beta-23019	44,565	Tuesday, June 30, 2015
System.Security... 4.0.0-beta-22816	48,391	Friday, April 24, 2015
System.Security... 4.0.0-beta-22605	15,195	Friday, February 13, 2015
System.Security... 4.0.0-beta-22416	8,588	Friday, January 16, 2015
System.Security... 4.0.0-beta-22231	25,790	Tuesday, November 11, 2014