Asymmetric-key algorithms use a combination of private and public keys while symmetric algorithms use only private ones, commonly referred to as secret keys.

ASC X9 has released a new standard, X9.24-3, that allows the use of the AES DUKPT algorithm to enhance security in retail financial transactions.

The method is a symmetric key algorithm, so it has the usual problem of secure key distribution. All three key lengths have been approved by the NSA for secret information and the 192-bit and 256 ...

For example, a smart thermostat that sends usage data to the service operator must be able to protect information from digital eavesdropping. The data plane part of the previously mentioned protocols ...