Download User's Guide

User’s Guide
PGP 8.0
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Exportable. Use exportable signatures in situations where your signature is
sent with the key to the key server, so that others can rely on your signature
and trust your keys as a result. This is equivalent to checking the Allow signature to be exported check box on the Sign Keys menu.
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Meta-Introducer Non-Exportable. Certifies that this key and any keys signed
by this key with a Trusted Introducer Validity Assertion are fully trusted
introducers to you. This signature type is non-exportable.
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The Maximum Trust Depth option enables you to identify how many levels
deep you can nest trusted-introducers. For example, if you set this to 1, there
can only be one layer of introducers below the meta-introducer key.
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Trusted Introducer Exportable. Use this signature in situations where you
certify that this key is valid, and that the owner of the key should be completely trusted to vouch for other keys. This signature type is exportable. You
can restrict the validation capabilities of the trusted introducer to a particular
email domain.
5. If you want to limit the Trusted Introducer’s key validation capabilities to a single
domain, enter the domain name in the Domain Restriction text box.
6. If you want to assign an expiration date to this signature, enter the date on which
you want this signature to expire in the Date text box. Otherwise, the signature
will never expire.
7. Click OK.
8. Enter your passphrase, then click OK.
An icon associated with your user name is now included with the public key that
you just signed.
Granting trust for key validations
Besides certifying that a key belongs to someone, you can assign a level of trust to the
owner of the keys indicating how well you trust them to act as an introducer for others, whose keys you may get in the future. This means that if you ever get a key from
someone that has been signed by an individual whom you have designated as trustworthy, the key is considered valid even though you have not done the check yourself.
To grant trust for a key:
1. Open PGPkeys and select the key for which you want to change the trust level.
Note: You must sign the key before you can set the trust level for it.
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