Spectracom SecureSync 1200 User Reference Manual page 129

4.
5.
CHAPTER •
2 SecureSync User Reference Guide Rev. 23
To EDIT an existing key pair, click the corresponding Change button, and pro
ceed to Step 4.
To DELETE a key pair, click the corresponding Delete button, and click OK in the
dialog box to confirm and complete the procedure.
The NTP Symmetric Key window will display:
Fill in, or edit the fields:
Trusted (checkbox)—Check this box to use MD5 authentication with trusted key ID.
Note: To use the MD5 authentication with trusted key ID, both the
NTP client and the SecureSync must contain the same key ID/key
string pair, the client must be set to use one of these MD5 pairs, and
the key must be trusted.
Key ID —The key ID must be a number between 1 and 65532.
Digest Scheme —Choose one of the options from the drop-down list. The avail
able options are:
MD5 (the default)
SHA1
SHA
MDC2
MDC2
RIPEMD160
MD4
Key Str —The key string must be readable ASCII and between 1 and 16 char
acters long.
Click the Submit button: The changes will be reflected in the table of the NTP Symmetric
Keys window, which is displayed after clicking the Submit button.
2.15 Configuring NTP
113