[PDF] Top 20 Orientação educacional na atualidade : possibilidades de atuação

... an adaptively indistinguishable garbling with succinct online complexity is an adaptively secure single-key SKFE scheme with succinct decryption key and key generation in the sense that ... See full document

... tightly secure construction, we slightly modify the prime-order scheme mentioned above, so as to allow a different proof ...and security holds under 1-Lin ...tightly secure scheme increases by k − 1 ... See full document

... the efficiency of adaptively secure two-party computation with partial erasures in the malicious ...the efficiency of NCE and OT primitives with partial erasures security, and ... See full document

... Naturally, security requires that if two decryptors do not have the required credentials to decrypt a function individually, then they should also not be able to compute the function value ... See full document

... not adaptively secure even under the weak one-more discrete logarithm property: their reduction only ever makes opening queries on elements that are linear combinations of samples with known ... See full document

... In the learning process weights and the correction value of error can be adaptively adjusted, thus improving the learning efficiency of each layer and accelerating the convergence speed [r] ... See full document

... semantic security models proposed by BSW and O’Neill (Section 4), in Section 5 we propose a notion of semantic security that incorporates features from the definitions by BSW, and also by ...semantic ... See full document

... We now define the notion of locally simulatable garbling scheme that suffices for the succinct garbling application. Intuitively, we need our garbling scheme (and corresponding local simu- lation strategy) to be ... See full document

... a functional encryption (FE) scheme, the owner of the secret key can generate restricted decryption keys that allow users to learn specific functions of the encrypted messages and nothing ...schemes, ... See full document

... system encryption techniques, introduced by Wa- ters [29], have been successful approaches for constructing fully-secure ABE (for simple ...information-theoretic security required for the dual-system ... See full document

... the security of images and also to reduce the size of the images to avoid the traffic in the ...protection improving the efficiency of this multimedia data can be done with encryption and ... See full document

... enhance security of an image and its results are compared with previous ...of secure cipher including a large key space, high key sensitivities, uniformly distributed cipher text, excellent confusion and ... See full document

... transmission security between information server and mobile ...of encryption wherever within the cipher text will solely be decrypted at a specified ... See full document

... PolyShard is inspired by recent developments in coded computing [12]–[20], in particular Lagrange Coded Computing [20], which provides a transformative framework for injecting computation redundancy in unorthodox coded ... See full document

... Since the seminal work of Yao [Yao86] in the 1980s, garbled circuits and more generally garbled programs (such as e.g., garbled RAMs [LO13]) have been extensively studied. A garbling scheme consists of three procedures: ... See full document

... In existing survey there are many authentication techniques like textual, graphical, thumb authentication, smart card etc. The graphical authentication methods based on images selection are not sufficient because in ... See full document

... Radio Encryption Voice/Data HC-2650 unit has, as a new feature, three modes which can be used to meet very different requirements and priorities such as channel quality, deployment scenario and backward compati- ... See full document

... underlying security: subgroup indistinguishability or the security of ...for security of encoding, shown in the third line of Table ...selective security proof, the reduction can program the ... See full document

... adaptive security proofs for schemes which were previously only known to be selectively secure, while avoiding the exponential loss that results from guessing the adaptive choices made by an ...adaptive ... See full document

... adaptive security was proposed for (standard) public- key encryption schemes by Canetti et ...guarantee security when encryption schemes are used to encrypt messages sent during an interactive ... See full document