Certificate Manager - Nokia E52 User Manual

Decrypt device memory or
memory card
Always remember to decrypt the device memory and/or
the memory card before updating the device software.
To decrypt the device memory, select
To decrypt the memory card without destroying the
encryption key, select Memory card
To decrypt the memory card and destroy the encryption
key, select Memory card Decrypt and turn off
>
encryption.

Certificate manager

Select Menu Ctrl. panel Settings
> >
Security Certificate management.
>
Digital certificates are used to verify the origins of
software but do not guarantee safety. There are four
different types of certificates: authority certificates,
personal certificates, trusted site certificates, and device
certificates. During a secure connection, a server may send
a server certificate to your device. Upon receipt, it is
checked through an authority certificate stored in your
device. You receive notification if the identity of the server
is not authentic or if you do not have the correct certificate
in your device.
You can download a certificate from a web site, or receive
a certificate as a message. Certificates should be used
when you connect to an online bank or a remote server to
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transfer confidential information. They should also be
used if you want to reduce the risk of viruses or other
malicious software, and to check the authenticity of
software when you download and install software to your
device.
Tip: When you add a new certificate, check its
Phone memory.
authenticity.
View certificate details
> Decrypt.
You can only be sure of the correct identity of a server
when the signature and the validity period of a server
certificate have been checked.
To view certificate details, open a certificate folder, and
select a certificate and
One of the following notes may appear:
and General
>
Certificate not trusted
•
application to use the certificate. You may want to
change the trust settings.
Expired certificate
•
for the selected certificate.
Certificate not valid yet
•
not yet begun for the selected certificate.
Certificate corrupted
•
used. Contact the certificate issuer.
Certificate trust settings
Select Menu Ctrl. panel
>
Security Certificate
>
Magenta Magenta Magenta Magenta Yellow Yellow Yellow Yellow Black Black Black Black
Options Certificate details.
>
— You have not set any
— The period of validity has ended
— The period of validity has
— The certificate cannot be
Settings and General
> >
management.
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