Ricoh 9100DN - Aficio SP B/W Laser Printer, Software Manual

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Protection Using Encryption
When you access the printer using a Web Image Monitor or IPP, you can establish encrypted communi-
cation using SSL.
When you access the printer using an application such as SmartDeviceMonitor for Admin, you can establish
encrypted communication using SNMPv3 or SSL. To protect data from interception, analysis, and tam-
pering, you can install a server certificate in the printer, negotiate a secure connection, and encrypt
transmitted data.
SSL (SSL (Secure Sockets Layer)Secure Sockets Layer)
AQC899S
1. To access the printer from a user’s computer, request for the SSL server certificate and public key.
2. The server certificate and public key are sent from the printer to the user’s computer.
3. Create shared key from the user's computer, and then encrypt it using public key.
4. The encrypted shared key is sent to the printer.
5. The encrypted shared key is decrypted in the machine using private key.
9. Appendix
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