Ricoh AFICIO MP C305SP Manual page 497

5. Enhanced Network Security
Setting
Security Protocol
Authentication
Algorithm
Authentication Key
154
Description
To apply both
encryption and
authentication to sent
data, specify "ESP" or
"ESP+AH".
To apply
authentication data
only, specify "AH".
Specify the
authentication
algorithm.
Specify a value within the ranges shown below,
according to the encryption algorithm.
Hexadecimal value
0-9, a-f, A-F
Specify the key for
the authentication
algorithm.
ASCII
Setting value
• ESP
• AH
• ESP+AH
• HMAC-MD5-96
• HMAC-SHA1-96
• HMAC-SHA256-128
• HMAC-SHA384-192
• HMAC-SHA512-256
• If HMAC-MD5-96, set 32 digits
• If HMAC-SHA1-96, set 40 digits
• If HMAC-SHA256-128, set 64 digits
• If HMAC-SHA384-192, set 96 digits
• If HMAC-SHA512-256, set 128 digits
• IF HMAC-MD5-96, set 16 characters
• If HMAC-SHA1-96, set 20 characters
• If HMAC-SHA256-128, set 32 characters
• If HMAC-SHA384-192, set 48 characters
• If HMAC-SHA512-256, set 64 characters