Specialists from the St. Petersburg Electrotechnical University (SPbGETU) LETI have presented a method for reliable cryptographic protection for autonomous vehicles. The development will provide high protection against various attacks and prevent access by attackers through fake data.
Scientists have created a mathematical apparatus that reduces the computational complexity of the electronic digital signature (ECDSA) used to protect low-power devices that control autonomous vehicles. The new optimization method increases efficiency and expands the use of ECDSA in devices with limited resources.
Cybersecurity of autonomous transport systems (ATS) is becoming critical. Interference by attackers can lead to failures and threaten the safety of all road users. Embedded systems that manage and control ATS operate in resource-constrained environments, making it difficult to use traditional cryptographic algorithms.
With the increasing number of attacks on ATS, the need for reliable cryptographic protection is growing. ECDSA, based on elliptic curves, has become an important tool for ensuring the authenticity and integrity of data. However, its use requires significant time and hardware costs.
To speed up operations and maintain the level of security, scientists have developed a mathematical construction that reduces the number of complex calculations. An algorithm was also created for generating a one-time number that does not depend on random number generators, which protects the private key from leaks.
The results showed that the proposed methods provide high resistance to various types of attacks. Attackers will not be able to use a one-time number to impersonate another user or penetrate the network through fake data.
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