Extending Updatable Encryption: Public Key, Tighter Security and Signed Ciphertexts.

Chen Qian Yao Jiang Galteland Gareth T. Davies

Published in: IACR Cryptol. ePrint Arch. (2023)

Keyphrases

public key
ciphertext
private key
encryption scheme
public key cryptography
elliptic curve cryptography
security analysis
public key cryptosystem
security model
secret key
advanced encryption standard

standard model
cca secure
digital signature
identity based encryption
encryption algorithm
public key infrastructure
diffie hellman
authentication scheme
encryption decryption
proxy re encryption
message authentication codes

public key encryption
image authentication
symmetric key
cryptographic algorithms
security level
blind signature scheme
secure communication
session key
authentication protocol
signature scheme
security properties

blind signature
provably secure
image encryption
secret sharing scheme
elliptic curve
key management
rfid tags
bilinear pairings
homomorphic encryption
security mechanisms