In cryptography, rekeying refers to the process of changing the encryption key of an ongoing communication in order to limit the amount of data encrypted with the same key.

encryption is the process of transforming information (referred to as plaintext) using an algorithm (called cipher) to make it unreadable to anyone except those possessing special knowledge, usually referred to as a key.

hello. Who is it? trying to add the people in bb ?

In computing, Internet socket or network socket or socket is an end-point in the IP networking protocol