Cryptanalysis of an image block encryption algorithm based on chaotic maps.
Yunling MaChengqing LiBo OuPublished in: J. Inf. Secur. Appl. (2020)
Keyphrases
- image blocks
- chaotic maps
- encryption algorithm
- s box
- secret key
- pseudorandom
- image encryption algorithm
- digital images
- transform domain
- chaotic sequence
- discrete cosine transform
- test images
- image encryption
- encryption scheme
- ciphertext
- image encryption scheme
- security analysis
- smart card
- initial conditions
- dct coefficients
- hash functions
- efficient implementation
- lightweight
- image compression
- motion estimation
- macroblock