Tweaking a block cipher: multi-user beyond-birthday-bound security in the standard model.
Benoît CogliatiPublished in: Des. Codes Cryptogr. (2018)
Keyphrases
- multi user
- standard model
- block cipher
- encryption scheme
- secret key
- public key encryption scheme
- signcryption scheme
- diffie hellman
- provably secure
- hash functions
- forward secure
- virtual environment
- signature scheme
- virtual world
- proxy re encryption
- cca secure
- augmented reality
- s box
- public key
- ciphertext
- user interface
- security model
- security analysis
- lightweight
- information security
- private key
- bilinear pairings
- smart card
- public key cryptosystem
- access control
- key management
- security issues
- virtual reality
- security mechanisms
- data access