A chaos-based joint image compression and encryption scheme using DCT and SHA-1.
Ching-Hung YuenKwok-Wo WongPublished in: Appl. Soft Comput. (2011)
Keyphrases
- image compression
- encryption scheme
- lossless compression
- encryption algorithm
- hash functions
- discrete cosine transform
- chosen plaintext attack
- security analysis
- standard model
- mpeg video
- compression ratio
- low bit rate
- wavelet transform
- subband
- compression algorithm
- reconstructed image
- ciphertext
- image encryption scheme
- image processing
- data sharing
- image encryption
- secret key
- cca secure
- public key
- secret sharing scheme
- pseudorandom
- data access
- wavelet coefficients
- peer to peer
- data management
- high dimensional