[PDF] Top 20 From Identification to Signatures, Tightly: A Framework and Generic Transforms

... the identification scheme ID underlying one of the three top transforms listed in ...unforgeability tightly reduces to the hardness of RSA (in the table, use = Adv ow RSA (I) and k = log N and 128 ≤ ... See full document

... schemes from weaker building blocks such as variations of one-time signatures and random-message secure ...Goldreich-Micali framework, and preserve many desirable properties of the underlying schemes ... See full document

... simple generic method to prevent such attacks in protocols that use digital signatures for authentication (such as ours) is to include user identities in ...model from Section 4 and the proof to the ... See full document

... given identification scheme into a signature ...Our framework captures the variants via transforms that determine the signature scheme as a function of not only the identification scheme and ... See full document

... the identification of means of describing the existing practice of software acquisition within an organisation and identification of models that could be used to present this ...models from a real ... See full document

... From MACs to signatures and structure-preserving signatures. Fortunately, our core lemma can be used to prove not only our MAC scheme, but also a suitable signature and SPS scheme tightly ... See full document

... In our model, the adversary is allowed to make adaptive queries on data sets of his choice. Our adversary is allowed to query one message at a time and proceed adaptively within each data set, or even to intersperse ... See full document

... secure signatures and Tight reduction—History, Philosophy, and Ap- ...schemes from three perspectives: efficiency, indicating how fast the scheme can be implemented, which has an immediate impact on its ... See full document

... DAPS from trapdoor identification- schemes using an adaption and extension of a transform from ...two transforms applied to the Guillou-Quisquater (GQ) [GQ88] and Micali-Reyzin (MR) [MR02] ... See full document

... open framework for the au- tomatic acquisition of MWEs from ...it from related work is that it provides an integrated environment covering the whole acquisition ...the framework is then ... See full document

... Abstract. In this paper we present three digital signature schemes with tight security reductions. Our first signature scheme is a particularly efficient version of the short exponent discrete log based scheme of Girault ... See full document

... new framework for obtaining signatures with a tight security reduction from standard hardness ...Our framework explains and generalizes most of the existing schemes as well as providing a ... See full document

... Pervasive Computing Systems (PCS) devices are likely to assume many diverse forms and sizes, from handheld units (similar to mobile phones) to near-invisible devices set into „everyday‟ objects (like furniture and ... See full document

... seen from the dispersion diagrams of such waveguides, which display a complex variety of weakly and strongly dispersive magnetoacoustic wave modes, depending on, ...lifetimes from several hours up to days ... See full document

... One aspect of magnetoacoustic modes that has been predicted in theoretical work (Edwin & Roberts 1983), yet has been neglected in observational studies, until now, is the wave character of the modes, i.e, whether ... See full document

... N-Tier architecture is becoming increasingly important because of its scalability, availability and flexibility. There are different frameworks for testing tools which perform performance, load, stress, navigation, ... See full document

... starts from the general to the particular, as the different specialists focus “first and foremost on the problems of the organization as a whole and only then on the particularities of each communication specially ... See full document

... structured, semi-structured, and in-depth interviews (Britten, 1995). Structured interviews consist of administering structured questionnaire. During this kind of interview questions are asked in a standardized manner to ... See full document

... for transforms of small, fixed sizes such as the 8 × 8 DCT used in JPEG compression, or the small DCTs (or MDCTs) typi- cally used in audio ...other transforms too ... See full document

... In the proposed system, video frame co-ordinate tracking and template matching as detector is enhanced with learning mechanism. The Bounding Box tracker using Learner provides weakly labeled data to the Match Processing ... See full document