On the Development of the Draft Standard GOST R “Information Protection. Formal Access Control Model. Part 3. Recommendations on Development”
https://doi.org/10.15514/ISPRAS-2024-36(3)-5
Abstract
Formal models of access control must be described in accordance with the requirements of FSTEC of Russia regulatory documents, in order to ensure trust in certified information security tools when they implement appropriate access control policies. The criterias that the description of each such model must meet were established in GOST R 59453.1-2021 “Information protection. Formal access control model. Part 1. General principles” to stimulate the development of formal access control models that are adequate to the operating conditions of modern information security tools. This standard also specifies additional criteria for cases where specific policies are implemented by information security tools: discretionary access control (DAC), mandatory access control (MAC), role-based access control (RBAC), or mandatory integrity control (MIC). A draft of the new standard GOST R “Information protection. Formal access control model. Part 3. Recommendations on development” was developed with the participation of the author to simplify the process of describing the formal model, which is scheduled for approval in 2024. This new standard is important for the development of regulatory and methodological support in this area. The standard will also be useful in developing a formal model for information security tools that are complex system software, such as an operating system (OS) or a database management system (DBMS). The article analyzes the results of the development of this draft standard, including the stages recommended in it for describing the formal model. Firstly, this is the stage of describing the states of the corresponding abstract automaton. Secondly, this is one of describing the rules for transition from states to states of an abstract automaton. Thirdly, this is the stage of formulating and implementing evidence of the fulfillment of safety conditions, the technologies and practical techniques used for this. In addition, the article provides examples of testing the recommendations set out in the draft standard when reworking the mandatory entity-role model of access and information flows security control in OS of Linux family (MROSL DP-model), which is used as the scientific basis for the implementation of the PARSEC security subsystem of certified according to the highest protection classes and trust levels of OS Astra Linux.
About the Author
Petr Nikolaevich DEVYANINRussian Federation
Doctor of Technical Sciences, corresponding member of Russian Academy of Cryptography, professor, scientific director in RusBITech-Astra (Astra Linux). Field of Interest: information security theory, formal security models of computer systems, secure software development, operating systems of Linux family.
References
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Review
For citations:
DEVYANIN P.N. On the Development of the Draft Standard GOST R “Information Protection. Formal Access Control Model. Part 3. Recommendations on Development”. Proceedings of the Institute for System Programming of the RAS (Proceedings of ISP RAS). 2024;36(3):63-82. (In Russ.) https://doi.org/10.15514/ISPRAS-2024-36(3)-5