ASN-1Step — Overview

OSS® ASN-1Step is a versatile tool built to ease ASN.1 application development and testing. Use the intuitive IDE (available for Windows, Linux and macOS), or the command-line interface (available for all platforms) to create or modify ASN.1 values without writing any code.

ASN-1Step provides:

• The ability to create and modify any ASN.1 message without writing code.
• Support for all standard ASN.1 encoding rules, including the OER, COER, and JSON.
  

  ASN.1 Studio
  included

• Detailed descriptions of PER/UPER, CPER/CUPER, OER, COER, and BER/CER/DER encodings.
• Precise and informative diagnostic messages.
• Support for converting to/from Comma Separated Value (CSV) files.
• Automatic detection and handling of CDR files.
• Support for 3GPP CDR files containing messages encoded using various encoding rules that are specified inside record headers.
• Robust, conformant ASN.1 parsing and encoding/decoding.

Included with ASN-1Step is a set of commonly used ASN.1 standard schemas.

For more information about this product, email info@oss.com or call +1-732-302-9669, toll free (USA and Canada only) 1-888-OSS-ASN1.

Standards Conformance

For a list of the ASN.1 standards that ASN-1Step conforms to, see the Standards Conformance page.