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An optimized Bitsliced Masked Adder for ARM Thumb-2 Controllers

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F22%3A43967505" target="_blank" >RIV/49777513:23520/22:43967505 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.appel.zcu.cz/" target="_blank" >https://www.appel.zcu.cz/</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1109/AE54730.2022.9919884" target="_blank" >10.1109/AE54730.2022.9919884</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    An optimized Bitsliced Masked Adder for ARM Thumb-2 Controllers

  • Original language description

    The modular addition is used as a non-linear operation in ARX ciphers because it achieves the requirement of introducing non-linearity in a cryptographic primitive while only taking one clock cycle to execute on most modern architectures. This makes ARX ciphers especially fast in softwareimplementations, but comes at the cost of making it harder to protect against side-channel information leakages using Boolean masking: the best known 2-shares masked adder for ARMThumb micro-controllers takes 83 instructions to add two 32-bit numbers together. Our approach is to operate in bitsliced mode, performing 32 additions in parallel on a 32-bit microcontroller. We show that, even after taking into account the cost of bitslicing before and after the encryption, it is possible to achieve a higher throughput on the tested ciphers (CRAX and ChaCha20) whenoperating in bitsliced mode. Furthermore, we prove that no first-order information leakage is happening in either simulated power traces and power traces acquired from real hardware,after sufficient countermeasures are put into place to guard against pipeline leakages.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    27th International Conference on Applied Electronics

  • ISBN

    978-1-66549-481-6

  • ISSN

    1803-7232

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

  • Publisher name

    IEEE

  • Place of publication

    Plzeň

  • Event location

    Plzeň

  • Event date

    Sep 6, 2022

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article