This paper provides a comprehensive treatment of forward-security in the context of shared-key based cryptographic primitives, as a practical means to mitigate the damage caused by key-exposure. We provide definitions of security, practical proven-secure constructions, and applications for the main primitives in this area. We identify forward-secure pseudorandom bit generators as the central primitive, providing several constructions and then showing how forward-secure message authentication schemes and symmetric encryption schemes can be built based on standard schemes for these problems coupled with forward-secure pseudorandom bit generators. We then apply forward-secure message authentication schemes to the problem of maintaining secure access logs in the presence of break-ins. © Springer-Verlag Berlin Heidelberg 2003.
CITATION STYLE
Bellare, M., & Yee, B. (2003). Forward-security in private-key cryptography. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2612, 1–18. https://doi.org/10.1007/3-540-36563-x_1
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