With the release of ASN.1/C Tools 11.0 and ASN.1/C++ Tools 7.0, OSS introduces a new runtime library – RTOED (Read-only function pointers TOED). It is an enhanced version of TOED, OSS’ high performance, time-optimized runtime library.
RTOED includes several new features:
• The few function pointers used in RTOED are declared as static const. When RTOED code is compiled, the C compiler will place the function pointers in your program’s read-only memory, thereby preventing them from being maliciously overwritten to alter the control flow.
• The RTOED, TOED, SOED, and LED runtime libraries all now employ an improved stack protection mechanism to handle error conditions.
• If supported by your platform, ASN.1/C TOED and RTOED can be built using secured C runtime functions as specified in Annex K of the ISO/IEC 9899 standard, Information technology — Programming languages — C. This feature will be available in ASN.1/C++ TOED and RTOED in the next release, available 1Q2021.
RTOED static runtime libraries are now included in OSS’ ASN.1/C and ASN.1/C++ Tools. Existing TOED customers can easily upgrade to RTOED. In most cases (see RTOED limitations), you won’t need to change your application code; just recompile your ASN.1 specification with the -rtoed ASN.1 compiler option and re-link with the new RTOED library.
ASN.1 Studio, our state-of-the-art ASN.1 IDE, includes a powerful feature that offers easy configuration; within seconds you can generate thousands of different test messages. This is work that, if performed manually, would be error prone and take days or weeks to complete.
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