Abstract
We present a version of Camenisch-Lysyanskaya’s anonymous credential system immune to attacks based on leakage of ephemeral values used during protocol execution. While preserving “provable security” of the original design, our scheme improves its security in a realistic scenario of an imperfect implementation on a cryptographic device.
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Acknowledgments
The paper was partially supported by the Polish National Science Center, based on the decision DEC-2013/08/M/ST6/00928, project HARMONIA.
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Krzywiecki, Ł., Wszoła, M., Kutyłowski, M. (2017). Brief Announcement: Anonymous Credentials Secure to Ephemeral Leakage. In: Dolev, S., Lodha, S. (eds) Cyber Security Cryptography and Machine Learning. CSCML 2017. Lecture Notes in Computer Science(), vol 10332. Springer, Cham. https://doi.org/10.1007/978-3-319-60080-2_7
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DOI: https://doi.org/10.1007/978-3-319-60080-2_7
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