Ciphertext-Only Attack on an Image Homomorphic Encryption Scheme with Small Ciphertext Expansion.
Yunyu LiJiantao ZhouYuanman LiPublished in: ACM Multimedia (2015)
Keyphrases
- ciphertext
- encryption scheme
- standard model
- secret key
- chosen ciphertext
- security analysis
- cca secure
- proxy re encryption
- public key
- encryption algorithm
- image data
- chosen plaintext attack
- diffie hellman
- data sharing
- hash functions
- image representation
- identity based encryption
- multiscale
- lossless compression
- similarity measure
- secret sharing scheme
- s box
- public key encryption
- smart card
- access control
- privacy preserving
- lightweight
- dimensionality reduction