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

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

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📅 Last update on 2026-04-10

What is System.Security.Cryptography.Primitives?

Automate product release and end-of-life management

Provides common types for the cryptographic libraries. Commonly Used Types: System.Security.Cryptography.ICryptoTransform System.Security.Cryptography.AsymmetricAlgorithm System.Security.Cryptography.SymmetricAlgorithm System.Security.Cryptography.HashAlgorithm System.Security.Cryptography.KeyedHashAlgorithm System.Security.Cryptography.HMAC System.Security.Cryptography.KeySizes System.Security.Cryptography.CryptographicException System.Security.Cryptography.CipherMode System.Security.Cryptography.PaddingMode System.Security.Cryptography.CryptoStream System.Security.Cryptography.CryptoStreamMode When using NuGet 3.x this package requires at least version 3.4.

The entire lifecycle of System.Security.Cryptography.Primitives

The following figure shows you the visualised product life cycle of System.Security.Cryptography.Primitives. 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.