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

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 ...

The file data is then encrypted with a symmetric algorithm called as DESX. Encrypting File System (EFS) The key used for these kinds of symmetric encryption is called as File Encryption Key (or FEK).

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 US now has four post-quantum cryptographic algorithms it plans to make part of a new set of public-key cryptography standards by 2024.