Blackberry 8520 Version 5.0 User Guide - Page 321

User Guide Glossary A public key is a key that people other than the certificate subject can use. BlackBerry® devices use public keys to encrypt email messages or PIN messages that users send to certificate subjects and to verify the signature on email messages or PIN messages that users receive from certificate subjects. root certificate A root certificate is a self-signed certificate and usually belongs to a certificate authority. RTSP Real Time Streaming Protocol SAN subject alternative name SDN A service dialing number (SDN) is a number that is preloaded on your SIM card by your wireless service provider that you can use to access information about your device service, such as the current call forwarding status. SHA Secure Hash Algorithm SIM Subscriber Identity Module S/MIME Secure Multipurpose Internet Mail Extensions SMS Short Message Service SMSC Short Message Service Center SSID service set identifier SSL Secure Sockets Layer TCP Transmission Control Protocol TLS Transport Layer Security Triple DES Triple Data Encryption Standard 319