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Strategies & Market Trends : Anthony @ Equity Investigations, Dear Anthony, -- Ignore unavailable to you. Want to Upgrade?

To: knows_picker who wrote (71665)	6/2/2001 11:49:36 AM
From: caly	Read Replies (1) \| Respond to of 122087

CDPD encryption is implemented in the modem itself. Any encryption above and beyond that would run in software on the device. refreq.com Without getting into boring technical details, the encryption technique works like this. The CDPD modem and the CDPD network exchange a randomly generated number each time the modem registers onto the network. The modem will take the number received from the network and combine it with its internal number. The network will take the number received from the modem in combine it with its internal number. The result is the creation of a common encryption key to be used for this session only. Should the modem de-register from the network, the next registration will result in new numbers that are ex-changed and a new encryption key is created. Before your data is sent over the air, it is encrypted through a special algorithm using the encryption key. A hacker capturing the data over the air will only get meaningless data with little hope of deciphering. This encryption scheme is only used over the air. Your data is no longer encrypted once it leaves the CDPD network.