Patent
Data processing system and data processing method
Camille Vuillaume,Katsuyuki Okeya,Masayuki Yoshino +2 more
- 06 Feb 2009
25
TL;DR: A technique for efficient encryption for use with devices such as smartcards restricted in memory resource was proposed in this article, including a calculation unit for reconstructing a large number of small primes, a sieving unit for checking the divisibility of an integer by small primimes, and a primality testing unit.
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Abstract: A technique for efficient encryption for use with devices such as smartcards restricted in memory resource, including a calculation unit for reconstructing a large number of small primes, a sieving unit for checking the divisibility of an integer by small primes, a recoding unit for changing the representation of an integer, and a primality testing unit The sieving unit eliminates “bad” candidates by checking their divisibility by small primes reconstructed by the calculation unit The primality of the remaining candidates is tested using the primality testing unit The primality testing unit uses the recoding unit to change the representation of prime candidates The primality testing unit performs a primality test using the representation after change
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Citations
Patent
System and method for adaptive application of authentication policies
Brendon J. Wilson
- 18 Mar 2014
TL;DR: In this article, a system, apparatus, method, and machine readable medium are described for adaptively implementing an authentication policy, which includes detecting a user of a client attempting to perform a current interaction with a relying party.
144
Patent
Authentication techniques including speech and/or lip movement analysis
Rolf Lindemann
- 05 Aug 2016
TL;DR: In this paper, a system, apparatus, method, and machine readable medium are described for performing eye tracking during authentication, which consists of receiving a request to authenticate a user, presenting one or more screen layouts to the user, capturing a sequence of images which include the user's eyes as the one or multiple screen layouts are displayed, and performing eye movement detection across the sequence.
63
Patent
Mobile enterprise smartcard authentication
Kyle J. Fiducia,Jordan Faulkner Thomas,Pierce Stephen Schmerge +2 more
- 28 Mar 2013
TL;DR: In this paper, the authors present a solution that allows the use of commercially available apps (e.g., from an “App Store”) as well as, for instance, enterprise developed apps.
42
Patent
Apparatus and method for implementing composite authenticators
Rolf Lindemann,Davit Baghdasaryan +1 more
- 29 Oct 2013
TL;DR: In this article, a system, apparatus, method, and machine readable medium are described for implementing a composite authenticator, which consists of an authenticator for authenticating a user of the apparatus with a relying party, the authenticator comprising a plurality of authentication components; and component authentication logic to attest to the model and/or integrity of at least one authentication component to one or more of the other authentication components prior to allowing the authentication components to form the authenticators.
31
Patent
System and method for adaptive user authentication
Rolf Lindemann,Davit Baghdasaryan +1 more
- 31 Dec 2013
TL;DR: In this article, a system, apparatus, method, and machine readable medium are described for adaptive authentication, which comprises an adaptive authentication module to receive a client request to perform a transaction which requires authentication; a risk engine to analyze first data related to a client to determine a risk value associated with the client; an assurance level gain analysis module to determine an assurance levels required for allowing the client to complete the transaction and to determine the assurance level required to arrive at the assurance levels based on the risk value.
22
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Bodo Möller
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TL;DR: The fractional window technique as mentioned in this paper is a generalization of the sliding window and window NAF approach; it can be used to improve performance in devices with limited storage, and is an efficient technique for exponentiation with precomputation for fixed bases in groups where inversion is easy.
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Katsuyuki Okeya,Katja Schmidt-Samoa,Christian Spahn,Tsuyoshi Takagi +3 more
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TL;DR: The most common method for computing exponentiation of random elements in Abelian groups are sliding window schemes, which enhance the efficiency of the binary method at the expense of some precomputation.
k-Support anonymity based on pseudo taxonomy for outsourcing of frequent itemset mining
Chih-Hua Tai,Philip S. Yu,Ming-Syan Chen +2 more
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TL;DR: The experimental results showed that the methods of k-support anonymity can achieve very good privacy protection with moderate storage overhead and to ensure the conservation of original frequent itemsets.
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Patent
Multiple prime number generation using a parallel prime number search algorithm
W. Dale Hopkins,Thomas W. Collins,Steven W. Wierenga,Ruth A. Wang +3 more
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TL;DR: In this paper, a process for searching in parallel for a plurality of prime number values simultaneously includes the steps of: randomly generating k random odd numbers (wherein k is preferably more than 2, but could also be one or more) expressed as n 0,0, n 1,0,... n ((k−1)),0, each number providing a prime number candidate; determining a plurality y additional odd numbers based on each one of the randomly generated odd numbers n 0.
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