System.Formats.Asn1

v11.0.0-preview.3.26207.106

Provides classes that can read and write the ASN.1 BER, CER, and DER data formats.

dotnetframework Microsoft

NuGet Stats Changelog

Total Downloads

1.4B

1,435,273,458

Published

Apr 14, 2026

Latest stable version

Install

.NET CLI

dotnet add package System.Formats.Asn1 --version 11.0.0-preview.3.26207.106

Package Manager Console

Install-Package System.Formats.Asn1 -Version 11.0.0-preview.3.26207.106

PackageReference

<PackageReference Include="System.Formats.Asn1" Version="11.0.0-preview.3.26207.106" />

Frameworks

.NETFramework4.6.2 net10.0 net11.0 .NETStandard2.0

Dependencies

System.Memory

.NETFramework4.6.2

[4.6.3, )

System.ValueTuple

.NETFramework4.6.2

[4.6.2, )

System.Memory

.NETStandard2.0

[4.6.3, )

Adoption guide

A verified publisher signal is available. Assess fit from the package's supported frameworks, license and dependency graph rather than popularity alone.

This version is marked prerelease. Validate its API and upgrade path before production use.

Compatibility metadata lists 4 target frameworks; confirm the exact target used by your application.

How to read this guidance

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