An encryption algorithm of JPEG2000 streams for supporting ciphertext-based transcoding.
Yong FuXiaowei YiHengtai MaXiaowei YiPublished in: MFI (2014)
Keyphrases
- encryption algorithm
- ciphertext
- compressed domain
- encryption scheme
- standard model
- discrete cosine transform
- secret key
- compression algorithm
- security analysis
- bitstream
- pseudorandom
- transform domain
- data streams
- image compression
- public key
- dct coefficients
- digital content
- s box
- lossless compression
- compression ratio
- private key
- motion vectors
- data management
- digital libraries
- multimedia