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"Lattice-based group encryptions with only one trapdoor" by Jing Pan, Jiang Zhang et al.

Group encryption (GE), the encryption analog of group signatures, is a fundamental primitive that offers a privacy-preserving service for a specific receiver concealed within a group of certified users. Like other cryptographic primitives, GE constructions are always considered relative to the potential danger of quantum computations. The only existing lattice-based variant appeared in the work of Libert et al. (Asiacrypt’16). Despite its non-trivial achievement, the construction suffers in te...
Roup Encryptions Attice Cryptography Attice Trapdoors Zero Knowledge
Source: uow.edu.au

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"Lattice-Based Group Encryption with Full Dynamicity and Message Filter" by Jing Pan, Xiaofeng Chen et al.

Group encryption (GE) is a fundamental privacy-preserving primitive analog of group signatures, which allows users to decrypt specific ciphertexts while hiding themselves within a crowd. Since its first birth, numerous constructions have been proposed, among which the schemes separately constructed by Libert et al. (Asiacrypt 2016) over lattices and by Nguyen et al. (PKC 2021) over coding theory are post-quantum secure. Though the last scheme, at the first time, achieved the full dynamicity (all...
Full Dynamicity Roup Encryption Attice Cryptography Message Filtering Zero Knowledge
Source: uow.edu.au

The best password managers to keep your data safe online

2021-05-21 21:19:20 UTC Were just gonna say it: Creating strong, complex passwords — and then actually remembering what those passwords are — has become a huge pain in the behind. The well-known advice is that you shouldnt use the same password for everything because its not safe, but that doesn’t make it any less annoying as you’re mentally shifting through every password and password variation you’ve ever created as you try to log into a bank account or online shop. T...
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