Motorola MTP850 User Manual page 131

K Validity
From the main menu, select Security > K Validity.
K (Key) is a secret key the infrastructure uses to authenticate
the MTP850 in the system. It is part of the authentication that
provides service confidentiality between your MTP850 and
the system.
To verify K validity, press Select. The display will show one of
the following messages:
• K is Valid
MTP850.
• K is Invalid
your MTP850. Please call your Service Provider to restore
K to your MTP850.
TMSCK Validity
From the main menu, select Security > TMSCK Validity.
SCK (Static Cipher Key) is a secret key the infrastructure
uses to encrypt call and data in the system. Air interface
encryption provides service confidentiality between your
MTP850 and the system. Your MTP850 is provided with a set
of SCKs.
To verify SCK validity for TMO, press Select. The display will
show one of the following messages:
• TMSCK is Valid
TMO.
• TMSCK is Invalid
in TMO. Please call your Service Provider to restore SCKs
to your MTP850.
the infrastructure can authenticate your
–
the infrastructure is unable to authenticate
–
your MTP850 can work encrypted in
–
your MTP850 cannot work encrypted
–
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