[PDF] Top 20 Stronger Security for Sanitizable Signatures

... Examples. Assume that a medical doctor signs a patient record with an SSS. The signed medical record can be sanitized by a server. It removes identifying information from the record before giving it to the accountant, ... See full document

... Adaptive Security, Generically. If we aim for strong adaptive security to be the “right” strong notion to use for homomorphic signatures, then we face the problem that virtually all existing schemes ... See full document

... Abstract. Sanitizable signatures, introduced by Ateniese et ...able signatures, replacements for modifiable (admissible) message blocks can be chosen arbitrarily by the ...a stronger notion of ... See full document

... group signatures allow members of a group administered by some authority to anonymously sign messages on behalf of the ...becomes stronger as q increases, a different assumption is needed for every ... See full document

... RKA security from PRF to any other primitive, assuming an existing standard-secure instance of the ...RKA security for CCA-PKE, a method that extends to other primitives including IBE (but not PRF), but ... See full document

... policy-based signatures the authors show in [BF14] that without restricting the polices the reverse direction of Corollary ...policy-based signatures, the counterexample can also be applied to the reverse ... See full document

... a stronger security model for the ...a stronger security definition for non-frameability which circumvents the limitations inherent in existing ... See full document

... out security proofs under assumptions that are not implied by n-OMDL or proving security in the generic group model ...much stronger assumptions are required than one would expect from a ... See full document

... keyless signatures [4] are especially suitable for the ...“keyless signatures” of size O(log C) for each of the C ...Formal security proofs exist for these schemes about their resistance to ... See full document

... A stronger security ...weaker security assumptions than were previously available for homomorphic signatures, but our schemes are proven secure in a model that allows a stronger ... See full document

... slightly stronger unlinkability no- tion and an instantiation that has non-interactive public accountability and achieves their new unlinkability ...extend sanitizable signatures to the setting with ... See full document

... a security parameter λ ∈ N and generates a tuple of public parameters pp and a key pair (pk, sk) ∈ K, then Alice encrypts a message m ∈ M using pk, and afterwards Bob decrypts with sk the ciphertext sent by Alice, ... See full document

... Data deduplication is one of basic data pressing systems for wiping out duplicate copies of repeating data, and has been extensively used as a piece of Cloud storage to decrease the measure of storage space and extra ... See full document

... In the cryptocurrency setting, signer-ambiguous message authentication is necessary for spender ambiguity. We interpret this ambiguity as a property regarding plausible deniability in the history of transactions: ... See full document

... Syndrome and coset coding. One particular approach, which dates back to Wyner’s original pa- per [34], in the setting where ChR is noiseless is a technique known as syndrome coding: Given a message M ∈ { 0, 1 } m and a ... See full document

... Attack implementation: We have fully implemented our attack 4 and forged a signature over the message “May the force be with you”. We used C for the hash operations and computing SCRA signatures and Matlab for the ... See full document

... Network Security Platform to study the patterns of network usage and traffic over time; thus understanding the wide variety of lawful, though unusual, usage patterns that may occur during legitimate network ... See full document

... information security faces new challenges; an incredible flood of new devices is challenging tradition methods of securing organization’s ...overall security level of a network cannot be measured by simply ... See full document

... The Food and Drug Administration (FDA) rule for electronic records and signatures became effective and enforceable on August 20, 1997. The rule has two main areas of enforce- ment: electronic records and ... See full document

... Coron [Cor02] gave a result close in spirit to ours for the RSA with Full Domain Hash (FDH) signature scheme [BR96]: he showed that the security of RSA-FDH in the ROM cannot be proved tightly equivalent to the ... See full document