Ricoh Aficio MP W7140 - Page 225

Setting Description Setting Value
SPI (Input)
Specify the same value as your
transmission partner's SPI
output value.
Any number between 256 and
4095
Security Protocol
To apply both encryption and
authentication to sent data,
specify ESP or AH + ESP. To
apply authentication only,
specify AH.
• EPS
• AH
• EPS+AH
Authentication Algorithm
Specify the authentication
algorithm.
• HMAC-MD5-96
• HMAC-SHA1-96
Authentication Key
Specify the key for the
authentication algorithm.
Specify a value within the
ranges shown below,
according to the encryption
algorithm.
hexadecimal value
0-9, a-f, A-F
• If HMAC-MD5-96, set
32 digits
• If HMAC-SHA1-96, set
40 digits
ASCII
• If HMAC-MD5-96, set
16 characters
• If HMAC-SHA1-96, set
20 characters
Encryption Algorithm
Specify the encryption
algorithm.
• Cleartext (NULL
encryption)
• DES
• 3DES
• AES-128
• AES-192
• AES-256
Transmission Using IPsec
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