What are symmetric and asymmetric encryption and what would be a good example from daily life? [duplicate]

I understand that to "encrypt" something means to "code" it, to make it understandable for two parties, giver and receiver and generally only for them, but I don’t know what it means when this is being done symmetricall… Continue reading What are symmetric and asymmetric encryption and what would be a good example from daily life? [duplicate]

Is it that a pair of a locking device and an opening device is asymmetric, and a single device which can both lock and open is symmetric? [closed]

I understand that a pair of a locking device and an opening device is asymmetric, and a single device which can both lock and open is symmetric.
Is that correct?

Continue reading Is it that a pair of a locking device and an opening device is asymmetric, and a single device which can both lock and open is symmetric? [closed]