Hi Ed,
The authentication type is MD5, but the key itself is not MD5 hashed in the
config. The "7" on the end of the key string indicates the password type:
Router(config)#ntp authentication-key 1 md5 121 ?
<0-4294967295> Authentication key encryption type
<cr>
So you can decrypt the key with the "usual" type 7 trick of throwing it into a
key chain:
Router(config)#do sh run | s ntp
ntp authentication-key 1 md5 121A0C0411045D52797C7D 7
ntp authenticate
ntp trusted-key 1
ntp master 1
Router(config)#
Router(config)#
Router(config)#
Router(config)#key chain hax0r
Router(config-keychain)#key 1
Router(config-keychain-key)#key-string 7 121A0C0411045D52797C7D
Router(config-keychain-key)#
Router(config-keychain-key)#end
Router#show key chain
Key-chain hax0r:
key 1 -- text "cisco16379"
accept lifetime (always valid) - (always valid) [valid now]
send lifetime (always valid) - (always valid) [valid now]
PS- Good to see you on the list. It's been a while, but we met back when you
worked at Endo. I work for Jason Sonon.
Regards,
Bob
On Jul 29, 2011, at 7:10 AM, Bodnar, Edward wrote:
> ntp authentication-key 1 md5 121A0C0411045D52797C7D 7
> ntp authenticate
> ntp trusted-key 1
> ntp master 1
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