Avaya 9608 Administrator's Manual page 148

RSA
Rivest-Shamir-Adleman: A highly secure asymmetric cryptography method developed by RSA
Security, Inc. that uses a public and private key pair. The private key is kept secret by the owner and
the public key is published, usually in a digital certificate. Data is encrypted using the public key of
the recipient, which can only be decrypted by the private key of the recipient. RSA is very
computation intensive, thus it is often used to encrypt a symmetric session key that is then used by
a less computationally-intensive algorithm to encrypt protocol data during a "session". You can also
use RSA for authentication by creating a digital signature, for which the private key of the sender is
used for encryption, and the public key of the sender' is used for decryption.
Administering 9608/9608G/9611G/9621G/9641G IP Deskphones H.323
148
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June 2014