Why would you use something like PGP if you have to send your encryption key unencrypted to the party you are sending to? And if you leave this key out on something like Twitter for example, couldn’t law enforcement or a third party if they gained access to the other persons email still read the contents of the encrypted email by using this key? Doesn’t this defeate the purpose of using encryption?
In: Technology
Think of a locked box. The lock on it is kind of special. Only one key unlocks but there is a key (public key) that can lock the box. So you send out the lock box and the public key to someone. They put what they want to send to you in the box and use their public key to lock the box. No one else can unlock the box unless they have the unlock (ie private) key.
Latest Answers