Disavowable Public Key Encryption with Non-interactive Opening
Ai Ishida, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Keisuke Tanaka · 2015
We propose the notion of disavowable public key encryption with non-interactive opening (disavowable PKENO) where, for a ciphertext and a message, the receiver of the ciphertext can issue a proof that the plaintext of the ciphertext is NOT the message, and give a fairly practical construction.