In PGP, the sender and receiver agrees on which hashing algorithm to use through O Negotiating which algorithm to use during session establishment Sending the name (or identifier) of the algorithm...

Extracted text: In PGP, the sender and receiver agrees on which hashing algorithm to use through O Negotiating which algorithm to use during session establishment Sending the name (or identifier) of the algorithm used in every email Negotiating which algorithm to use during connection establishment None of the given choices O The algorithm is predetermined in the RFC standard and can't be changed