Inspec keywords: public key cryptography; social networking (online)

Other keywords: plaintext; pervasive data; re-encryption key; Jiang; cloud-based social networks; re-encryption ciphertext; PRE scheme; cryptographic structure; improved collusion-resistant unidirectional PRE scheme; CR-PRE; semitrust; collusion resistant; chosen-plaintext attack secure; collusion attack

Subjects: Information networks; Data security; Cryptography