Nokia 6610i

Page 131
background image
131
Copyri
ght
 ©
 2
005 Nokia. All ri
gh
ts reserved
.
Be
fore c
h
ang
i
ng any
 certi
f
i
c
ate
 
s
e
tting
s
, you mu
s
t
 ma
ke su
re th
at
 you 
rea
lly t
r
us
t t
h
e owner 
of the 
cert
ificat
e and that
 
t
h
e certifi
c
ate
 
really belongs to the list
e
d owner.
Digital sig
n
ature
You can make digital signatures with your
 phon
e. Th
i
s
 feature requir
es support 
from your SIM 
car
d
. The signatu
r
e can be traced
 
back to 
you via th
e private key on 
the security module and the user certif
icate th
at was used to perform the 
signature. Using the d
igital signature can 
be the 
same as signing your name to a 
paper bill, contract or other document. 
To make a digital signat
ur
e, select a li
n
k
 on a page, for
 example, the title of the 
book you want
 to b
u
y and its price. The text t
o
 
sign (possibly including amount, 
date, etc.) wil
l
 be shown.
Check
 that
 the header text is 
Re
ad
 and that the digital signature ico
n
 
 
is 
shown.
Note:
 If 
t
h
e digital 
signature icon does 
not appear, there is a secu
r
i
ty 
breach, and yo
u
 should not enter any per
s
onal 
data such as your signing 
PIN.
To sig
n
 the text, read all of the 
t
e
xt first an
d then you
 
c
a
n select 
Sig
n
.
Note:
 The text may not fit with
i
n
 
a sin
gle screen. Ther
efore, make sure to 
scroll
 thr
o
ugh 
and re
ad all
 
of the text before signing.
Sel
e
ct the user certificate you want 
to use. Key in th
e si
gn
i
n
g
 PIN (see 
 on pag
e
 
) and press 
OK
. The digital signatu
r
e icon will 
disappear, and the service may displ
ay 
a confirmation of your purchase.
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