An encryption method for transmitting data that uses key pairs, comprising one private and one public key. Public key cryptography is called "asymmetric encryption" because both keys are not equal. A ...

An encryption key that is kept concealed because its discovery voids the security of the encryption session. A secret key generally refers to the secret key cryptography system, in which both sides ...

Encryption, for security purposes, is also known as a cipher. It is a mathematical algorithm that hides information or makes it secret. Data that is not encrypted is called plain text, while encrypted ...

Cryptography can mean either the analysis or the deciphering of codes, ciphers and cryptograms. Also known as: cryptanalysis, cryptanalytics, cryptology. First Seen1900 B.C. Cryptography is a method ...

Encrypted key exchange is a protocol, or set of rules, that allows two parties sharing a common password to communicate over an insecure network without exposing that password. The protocol was ...

You're about to wind up your day and use your smartphone to check what's in your smart fridge to decide if you need to pass by the store or request delivery before you get home. You quickly pay for ...

Scientists at Northwestern University say they have harnessed the properties of light to encrypt information into code that can be cracked only one way: by breaking the physical laws of nature. This ...

Once quantum computers become a commercial reality, they will change the ground rules for cryptography. Here's how quantum cryptography would work, and an explanation of the benefits and pitfalls of ...