Known-plaintext attack on secure kNN computation on encrypted databases.
Chunsheng GuJixing GuPublished in: Secur. Commun. Networks (2014)
Keyphrases
- knn
- encryption algorithm
- ciphertext
- k nearest neighbor
- encryption scheme
- chosen plaintext attack
- security analysis
- secret key
- image encryption
- standard model
- nearest neighbor
- stream cipher
- private key
- block cipher
- encryption decryption
- text categorization
- k nearest neighbour
- distance function
- encryption key
- public key
- knn algorithm
- authentication scheme
- support vector machine svm
- authentication protocol
- pseudorandom
- classification method
- support vector machine
- text classification
- smart card
- range queries
- k nearest
- spatial networks
- classification algorithm
- knowledge discovery
- knn classifier
- similarity search
- majority voting
- shows significant improvements
- hash functions
- digital content
- security requirements
- nearest neighbour
- neural network
- hierarchical document clustering
- input space
- training set
- database systems