Blackberry 8707h Ergänzung zum Benutzerhandbuch - Seite 19

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PGP messages

About digital signatures and encryption
About encryption icons
About signature icons
About message classifications
Download a sender's PGP key
Import a PGP key from a message
Import a PGP key from an attachment
Import certificate server information from a message
Forward or reply to a PGP message
Digitally sign or encrypt an email message
Digitally sign or encrypt a PIN message
View an attachment in a signed message
Search the message list
Encrypt a PGP message with a pass phrase
Attach a PGP key to a message
Display small status icons for PGP messages
Select your default PGP key
Select encryption algorithms for PGP messages
Set the default security options that you use to send
messages
Set the default message classification that you use to
send messages
Turn off the prompt that appears when you use a PGP
key that is not recommended for use
PGP message troubleshooting
About digital signatures and
encryption
You can digitally sign a message to help the recipient
verify the authenticity and integrity of the message.
When you digitally sign a message using your private
key, the recipient uses your public key to verify that
you sent the message and not someone who was
pretending to be you, and that no one changed the
message before it arrived.
You can encrypt a message to keep the message
confidential. When you encrypt a message, your
BlackBerry® device uses the recipient's public key to
encrypt the message. Only the recipient's private key
can decrypt the message and the recipient knows that
no one else read the message.
Related topics
About encryption icons (See page 19.)
About signature icons (See page 20.)
About encryption icons
When you open an encrypted message, a lock icon
represents the encryption status. Your system
administrator sets an IT Policy that determines
whether the encryption algorithm that the message
uses is considered to be strong or weak.
•
Lock: The message is strongly encrypted.
•
Lock with a question mark: The message is
weakly encrypted.
Related topic
About signature icons (See page 20.)
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