Other Questions - Oki C9600 Service Manual

7.8.5 Other Questions

This section covers more questions users may ask.
7.8.5.1 Time required for creating a certificate
The time required for creating a certificate is more likely to be as follows, varying with the key exchange
method (RSA, Diffie-Hellman (DSS))and the key size:
(Variation is from about -30 to +30%)
Table 7-5 Time for creating a Certificate (for RSA) Unit: Sec
Creating a self-signed certificate
CA-signed
certificate
Table 7-6 Time for creating a certificate (for DSS) Unit: Sec
Creating a self-signed certificate
CA-signed
certificate
7.8.5.2 Communication time when encryption function is enabled
We have compared the communication time when the encryption feature is used against the normal
communication time, and describe the result in this section.
The following are the time displayed on Web's TOP page:
Web's TOP page means the first screen that is displayed in the Web screen for the printer setup.
Table 7-7 Time displayed on Web's TOP page (for RSA) Unit: Sec
Cipher level
Table 7-8 Time displayed on Web's TOP page (for Diffie-Hellman (DSS)) Unit: Sec
Diffie-Hellman(DSS)
Cipher level
42930511TH Rev. 2
RSA
1
Creating CSR*
Installing the certificate
Diffie-Hellman(DSS)
Creating CSR
Installing the certificate
*2: In case of 2048bits key, it may take about 3
RSA
512bits
5
Strong
Standard 5
4
Weak
512bits
5
Strong
Standard 5
-
Weak
Public key size
512bits 1,024bits
6 8
7 10
6 6
*1: CSR (Certificate Signing Request)
Public key size
512bits 1,024bits
21 42
35 27
8 6
minutes (165sec) to create the certificate and CSR.
Public key size
1,024bits 2,048bits
5 7
5 7
5 7
Public key size
1,024bits 2,048bits
5 6
5 6
- -
Oki Data CONFIDENTIAL
2,048bits
25
23
6
2,048bits
129* 2
123
8
No encryption
3
No encryption
3
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