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CCA Security for Self-Updatable Encryption: Protecting Cloud Data When Clients Read/Write Ciphertexts
Public-key encryption Self-updatable encryption Chosen-ciphertext security
2016/1/27
Self-updatable encryption (SUE) is a new kind of public-key encryption, motivated by cloud computing,
which enables anyone (i.e. cloud server with no access to private keys) to update a past cipherte...
Self-Updatable Encryption with Short Public Parameters and Its Extensions
Public-key encryption Self-updatable encryption Ciphertext delegation
2016/1/23
Cloud storage is very popular since it has many advantages, but there is a new threat to cloud storage that was not considered before. Self-updatable encryption that updates a past ciphertext to a fu...
Fully Secure Self-Updatable Encryption in Prime Order Bilinear Groups
public-key encryption self-updatable encryption ciphertext update
2016/1/5
In CRYPTO 2012, Sahai et al. raised the concern that in a cloud control system revocation
of past keys should also be accompanied by updation of previously generated ciphertexts in
order to prevent ...
Self-Updatable Encryption: Time Constrained Access Control with Hidden Attributes and Better Efficiency
Attribute-based encryption Predicate encryption
2014/3/6
Revocation and key evolving paradigms are central issues in cryptography, and in PKI in particular. A novel concern related to these areas was raised in the recent work of Sahai, Seyalioglu, and Water...