Keyphrases
- compressed sensing
- image encryption
- public key
- security analysis
- private key
- authentication scheme
- image reconstruction
- high security
- digital signature
- sparse representation
- natural images
- public key cryptography
- secret key
- authentication protocol
- elliptic curve cryptography
- signature scheme
- encryption scheme
- public key infrastructure
- signal processing
- encryption algorithm
- user authentication
- ciphertext
- digital images
- multiscale