GSMK CryptoPhone G10, User Manual

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th e li st b y p res sin g th e 2 k ey. Y ou will n ow se e a li ttle x
nex t to th e a nte nn a s ym bol w hen fl igh t m ode is ac tiv e
an d th e G SM is sw itc hed of f. T o s wit ch th e r adi o b ack
on aga in , fo llo w th e s am e p roc edu re an d s ele ct “ Flig ht
Mo de Off ”. Yo u w ill b e r eq uir ed to en ter y ou r P IN
aga in .
Pla cin g a n E ncr ypt ed Cal l
In ord er to pla ce a s ecu re cal l, t he fol low in g c on diti on s
nee d to be met :
•y
ou r p art ner h as a C ryp toP hon e c om pat ibl e d evi ce
up an d r un nin g
•t
her e is su ffic ien t G SM co ver age
•t
he GS M o pe ra to r s up po rts ‘G SM d ata c all s’
(te chn ica lly ca lle d C irc uit Sw itc hed D ata or ‘C SD ’)
To pla ce a s ecu re cal l, y ou ca n s im ply d ial fr om th e
hom e s cre en an d p res s th e “ Cal l S ecu re” so ftk ey on th e
lef t s ide . A lso yo u c an ch oos e “ Con tac ts” , s ele ct a co n-
tac t a nd pre ss “C all Sec ure ”. F urt her yo u c an sw itc h to
th e C ryp toP hon e s cre en by p res sin g th e h om e k ey an d
dia l d ire ctly (p res s th e g ree n C all bu tto n a fte r e nte rin g
the n um ber .
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Tro ubl esh oot in g
In th e e ven t th at t he Cry pto ph on e r eac ts un exp ect edl y
i.e ., d evi ce res pon se bec om es ver y s low , k ey- loc k c an
not b e u nlo cke d, o r t he ph on e d oes n ot con nec t t o a
GS M n etw ork , y ou ca n q uic kly re set it b y r em ovi ng
an d r e-in ser tin g th e b att ery . T he GS MK C ryp toP hon e
will re sta rt w ith out er asi ng the m em ory . I n th e u nlik ely
eve nt s uch a pro ble m p ers ist s, y ou ca n C old B oot th e
dev ice (s ee pag e 1 6). Th is will h ow eve r d ele te all in for -
mat ion in vo lat ile m em ory .
Sec uri ty Upd ate s
GS MK co nti nu ally se eks to im pro ve th e s ecu rit y a nd
qu ali ty of op era tio n o f t he Cry pto ph on e G 10 . I n t he
eve nt a nyo ne dis cov ers a fla w in th e C ryp toP hon e, w e
wil l p rov id e a fi rm war e u pd ate , a s w ell as a det ail ed
rep ort on th e p oss ibl e s ecu rity im pac t. A s b ad as sec u-
rit y p rob lem s w ith cry pto gra ph ic pro du cts ca n b e, w e
bel iev e t he on ly way to h an dle th em pro per ly is op en
an d tr an spa ren t c om mu nic ati on wit h o ur cu sto mer s.
Yo u a re th e o ne bes t s uit ed to det erm in e p ote nti al
dam age to yo ur in ter est s, s o w e w ill pro vid e y ou w ith al l
the kn ow n fa cts .
Sec uri ty is not a sta te bu t a p roc ess . A nd th is pro ces s
req uir es con sta nt c hec kin g a gai nst em erg in g r isk s a nd
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