The OSS ASN.1 Tools for C# is a development tool for building C# applications using ASN.1. It supports the ASN.1 syntax as described by the ASN.1:1990 and ASN.1:2015 standards and the following encoding rules:
The OSS ASN.1 Tools for C# is designed to meet your needs and comes with customization features which include command-line options and compiler directives.
The OSS ASN.1 Tools for C# package includes the following components:
The ASN.1/C# compiler is an executable that takes one or more ASN.1 schema files as input and generates C# code that
The Codec runtime library is a .NET assembly that provides schema-independent encoder/decoder functionality, base classes for ASN.1 representation, and other utility objects.
ASN.1 Studio is a visual environment (IDE) that speeds up ASN.1 development by featuring ASN.1 project workflow, intelligent editing and compilation, and interactive analysis of ASN.1 messages. ASN.1 Studio provides rich schema and encoding editors, syntax checking, and code generation.
You can use ASN.1 Studio to:
To read more about its features, see ASN.1 Studio.
Also, you can use the OSS ASN.1 Tools for C# to develop applications with .NET languages such as VB.NET by compiling the generated C# code into a .NET assembly (a DLL) that can be invoked from any .NET language.
The following diagram shows an overview of the ASN.1 Development workflow:
ASN.1 Development Workflow
This documentation applies to the OSS® ASN.1 Tools for C# release 5.0 and later.
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Every distributed copy of the OSS® ASN.1 Tools for C# is associated with a specific license and related unique license number. That license determines, among other things, what functions of the OSS ASN.1 Tools for C# are available to you.