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Functional encryption for inner product (FE-IP) allows an authorized user to obtain the inner product of the vectors embedded in his/her secret key and a ciphertext, respectively. Therefore, it is an elegant tool to implement secure computation over encrypted data. Existing FE-IP schemes mainly considered security and function privacy issues, but did not address the decryption delegation problem. However, in practice, delegating decryption is desirable when an authorized user is unavailable to access the system due to leaving, network problems, etc. In this paper, a delegatable FE-IP (DFE-IP) ...

Out data online is used for purposes and in ways outside of our control. A new technology called zero-knowledge cryptography offers a solution to that problem.

After leaving many questions unanswered, Microsoft explains in a new postmortem the series of slipups that allowed attackers to steal and abuse a valuable cryptographic key.

A ramshackle team of American scientists scrambled to decode the Nazi cipher before the time ran out. Luckily, they had a secret weapon.

Post-quantum CRYSTALS-Dilithium Digital Signature IP Core from ResQuant supports key generation, signing and signature verification operations for II, ...