Optimal quantitative cryptanalysis of permutation-only multimedia ciphers against plaintext attacks.
Chengqing LiKwok-Tung LoPublished in: Signal Process. (2011)
Keyphrases
- block cipher
- stream cipher
- chosen plaintext
- secret key
- multimedia
- hash functions
- smart card
- dynamic programming
- s box
- multimedia data
- multimedia content
- digital media
- lightweight
- pseudorandom
- ciphertext
- video data
- worst case
- multimedia databases
- qualitative and quantitative
- multimedia documents
- multimedia information retrieval
- multimedia objects
- closed form
- digital libraries
- learning environment
- metadata