[PDF] Top 20 Adaptive Security of Constrained PRFs

... the adaptive security of bit-fixing constrained ...such PRFs which is more sophisticated than the Boneh-Waters construction, and for which he can give a security reduction that only ... See full document

... study adaptive security of constrained PRFs in the standard ...puncturable PRFs, first explicitly introduced in [24] as a specialization of constrained ...of constrained ... See full document

... and security of power network under normal/network contingencies can be ...system security and load ability by proper placement of FACTS controllers ... See full document

... of adaptive security where adversaries are allowed to send logarithmically many evaluation queries before a constraining query as long as it correctly declares if the evaluation query satisfies the ... See full document

... (but not the watermarking secret key wsk). All of the schemes we present in this work also satisfy this stronger notion. In fact, as we discuss in Remark 5.15, in the secret-key setting, any watermarking scheme that ... See full document

... prefix-fixing constrained PRF from the classical GGM construction [GGM86], and shows how to avoid an exponential (in n) loss in security when going from selective security to adaptive ...full ... See full document

... an adaptive pseudorandom on constrained points, Q-collusion resistant CPRFs for the bit-fixing predicate from any PRF, where Q can be set to be any constant independent of the security ...be ... See full document

... Considering the economics and securities for the operation of a power system, this paper presents a new adaptive dynamic programming approach for security-constrained unit commitment (SCUC) problems. ... See full document

... RKA security for block ciphers, theoretically modeled by pseudorandom functions (PRFs) and pseudorandom permutations (PRPs) ...RKA security with respect to a class of related-key-deriving (RKD) ... See full document

... a constrained key, the situation becomes more ...the constrained key and using the actual seed result in the same ...the constrained key is close (in norm) to the real value of the function but not ... See full document

... Vehicular networks have been given considerable attention for the past decade and several standards have been developed to render such networks more organized and realizable. The primary goal of vehicular networks was to ... See full document

... a security parameter 1 λ as input and outputs a “group description” G := ( G , p) where G is a group with prime order p = Ω(2 λ ) , from which one can efficiently sample a generator uniformly at ... See full document

... selective security of F, as just constructed, is relatively ...a constrained-key oracle Constr , which can be queried on any C with C(x ∗ ) = ...computing constrained keys as obfuscations ... See full document

... full security definition of CPRFs requires the adversary to learn multiple constrained keys in an arbitrary order, a requirement for many of these ...this security notion are only known from ... See full document

... constructing security reductions from LWE (partially validating the intuition in GGH15), and demonstrating efficient ...private constrained pseudorandom functions (PRFs) [CC17], lockable obfuscation ... See full document

... linearly constrained minimum variance (LCMV) beamformer [7, 8], which minimizes its output power while preserving a unity gain at the look direction or subject to some more complicated ... See full document

... their security definitions should take into account as many realistic threats and attack scenarios as ...a security notion unique to R(H)IBE called decryption key expo- sure resistance ...this ... See full document

... Meanwhile, the data rate requirements of individual users are accommodated on the fast timescale with high probability, thereby meeting the requirements except occasional outage. Such an objective has a natural chance ... See full document

... The Security and Privacy Group at the University of Birmingham are vigorously researching the impact on national resilience around financial services, electronic voting, personal privacy, mobile phones, passports ... See full document

... We first consider the case where all packets must be of the same length and compute the optimal packet length that leads to the best possible useful payload. Then, we con- sider adaptive algorithms; ones that ... See full document