| 摘要 |
Techniques and systems for maintaining a secure document replication environment based on information contained in CACs are disclosed. In one embodiment of the invention, a device such as an MFP, a printer, a scanner, a copier, or a fax machine comprises or is connected to a card reader. The device prevents users from using the device until the users have been authenticated. In order to authenticate himself to the device, a user inserts his CAC into the card reader. The device reads the user's digital certificate off of the user's CAC. The device determines whether the digital certificate is valid. If the digital certificate is not valid, then, in one embodiment of the invention, the device prevents the user from using any of the device's functions (e.g., printing, scanning, copying, faxing, etc.).
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