Dynamic AES – Extending the Lifetime?

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    Abstract

    AES (Advanced Encryption Standard) is a worldwide used standard forsymmetric encryption and decryption. AES is for instance used in LTE(Long-Term Evolution) and in Wi-Fi. AES is based on operations of permutationsand substitutions. Furthermore, AES is using a key schedulingalgorithm. It has been proven that AES is vulnerable to side-channelattacks, related sub-key attacks and biclicque attacks. This paper introducesa new dynamic version of AES where the main flow is depending on theTNAF (τ -adic Non-Adjacent Form) value. This new approach can preventside-channel attacks, related sub-key attacks and biclique attacks.
    Original languageEnglish
    JournalJournal of Cyber Security and Mobility
    Volume2
    Issue number3-4
    Pages (from-to)243-263
    ISSN2245-1439
    DOIs
    Publication statusPublished - 2014

    Keywords

    • AES
    • Side-channel attacks
    • Attack countermeasures
    • TNAF
    • ECC
    • Related sub-key attacks
    • Biclique attacks

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