Lifecycle guide for System.Security.Cryptography.X509Certificates from Microsoft

All releases, patches, maintenance and support periods at a glance

All supported products Free Versio.io trial

📅 Last update on 2026-02-14

What is System.Security.Cryptography.X509Certificates?

Automate product release and end-of-life management

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.

The entire lifecycle of System.Security.Cryptography.X509Certificates

The following figure shows you the visualised product life cycle of System.Security.Cryptography.X509Certificates. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.