Encryption - Nokia E52 User Manual

the password, the data on the memory card is not
protected against unauthorised use.
To open a locked memory card, select
memory card. Enter the password.
If you cannot recall the password to unlock a locked
memory card, you may reformat the card, in which case
the card is unlocked and password removed. Formatting
a memory card deletes all data stored on the card.

Encryption

Select Menu Ctrl. panel
>
Encrypt your device or memory card to prevent outsiders
from accessing your important information.
Encrypt device memory or
memory card
To encrypt the device memory, select
To encrypt the memory card, select
from the following:
Encrypt without saving key
•
card without saving the encryption key. If you select
this option, you cannot use the memory card in other
devices, and if you restore factory settings, you cannot
decrypt the memory card.
Encrypt and save key
•
save the key manually in the default folder. For security,
store the key to a safe place outside the device. For
example, you can send the key to your computer. Enter
Options Unlock
>
Phone > Encryption.
>
Phone memory.
Memory card
— Encrypt the memory
— Encrypt the memory card and
a pass phrase for the key and a name for the key file.
The pass phrase should be long and complex.
Encrypt with restored key
•
card with a key you have received. Select the key file,
and enter the pass phrase.
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
To decrypt the memory card and destroy the encryption
key, select Memory card
encryption.
Certificate manager
and
Select Menu
>
Security Certificate
>
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
— Encrypt the memory
Phone
Memory card > Decrypt.
Decrypt and turn off
>
Ctrl. panel Settings and
>
management.
memory.
General
>
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