Table 5. Cisco Aironet 1140 Series Power Injector Product Numbers Product Number Product Description AIR-PWRINJ4= Cisco Aironet Power Injector for the 1140 Series (Spare) Power Supply A Cisco Aironet power supply is not included with the Cisco Aironet 1140 Series and may be purchased separately (Table 6). The AIR-PWR-B is the recommended power supply for the 1140 Series.
public-key encryption. Related Terms. A cryptographic system that uses two keys -- a public key known to everyone and a private or secret key known only to the recipient of the message. When John wants to send a secure message to Jane, he uses Jane's public key to encrypt the message. Jane then uses her private key to decryptit.
Advanced Encryption Standard (AES) is a symmetric key cipher technique used to secure and encrypt operating systems, hard drives, networking systems, files, e-mails, and other similar data.In cryptography, AES consist of three block ciphers taken from a larger collection published originally as Rijndael.ES encryption is used around the world to secure some of the most protected systems for both governmental groups and business. AES encryption is even used by individuals to protect private computers and networking systems. It is now the standard set by the US government and individuals worldwide.