known to everyone and a private or secret key known only to the recipient of the message. [Computer and Information Sciences] 
 Person(s) to whom the record is copied for information purposes. 
 n., (PKE) The use of two keys—a public key known to everyone and a private or secret key known only to the recipient of the message—to encrypt and decrypt information transmitted between two parties. [Computer and Information Sciences] 
.: receiver. [Archives] 
n., (PKI) The underlying systems and processes necessar