KGpg: Difference between revisions
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== Extending the life of your keys == | == Extending the life of your keys == <!--T:10--> | ||
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As you can see in the image above, you can extend the life of your keys using the <menuchoice>Change Expiration</menuchoice> button. Simply choose the new date from the popup calendar. To do this, however, you must have access to the private key and its pass-phrase. Without them you can do nothing. | As you can see in the image above, you can extend the life of your keys using the <menuchoice>Change Expiration</menuchoice> button. Simply choose the new date from the popup calendar. To do this, however, you must have access to the private key and its pass-phrase. Without them you can do nothing. | ||
== Change your pass-phrase == | == Change your pass-phrase == <!--T:12--> | ||
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Should you suspect your pass-phrase is compromised, you can change this also from the Key Properties dialogue. The <menuchoice>Change Passphrase</menuchoice> button is below <menuchoice>Change Expiration</menuchoice>. | Should you suspect your pass-phrase is compromised, you can change this also from the Key Properties dialogue. The <menuchoice>Change Passphrase</menuchoice> button is below <menuchoice>Change Expiration</menuchoice>. | ||
== Revoking a key == | == Revoking a key == <!--T:14--> | ||
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If you lose your private key or think it has been compromised in some way you need to revoke it. To reliably render a key unusable you need to revoke it. Revoking is done by adding a special revocation signature to the key. | If you lose your private key or think it has been compromised in some way you need to revoke it. To reliably render a key unusable you need to revoke it. Revoking is done by adding a special revocation signature to the key. | ||
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The revocation signature can be created together with the key. In this | The revocation signature can be created together with the key. In this | ||
case it is stored in a separate file. This file can later be imported into | case it is stored in a separate file. This file can later be imported into | ||
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external storage device like an USB stick or print it out.}} | external storage device like an USB stick or print it out.}} | ||
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If you have not created such a detached revocation on key creation you can | If you have not created such a detached revocation on key creation you can | ||
create such a revocation signature at any time choosing <menuchoice>Your Key -> Revoke key</menuchoice>, optionally importing it to your keyring immediately. | create such a revocation signature at any time choosing <menuchoice>Your Key -> Revoke key</menuchoice>, optionally importing it to your keyring immediately. | ||
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{{Note|1=Currently this item is only available in the context menu. This is likely to be moved from the context menu to the key menu for 4.7.1. }} | {{Note|1=Currently this item is only available in the context menu. This is likely to be moved from the context menu to the key menu for 4.7.1. }} | ||
Revision as of 15:07, 14 September 2011
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KGpg provides a graphical interface to gpg's commands |
GnuPG encrypts and decrypts your mail and selected files. There are many command-line options to achieve this. With KGpg the anxiety is removed - you don't have to remember any commands. KGpg can help you set up and manage your keys, import and export keys, view key signatures, trust status and expiry dates. In fact just about everything you need to do is covered by KGpg. A wizard is provided to help you set up your keys.
KGpg is integrated into Konqueror and Dolphin, where a context menu allows you to choose to encrypt a file, with or without signing.
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Extending the life of your keys
As you can see in the image above, you can extend the life of your keys using the button. Simply choose the new date from the popup calendar. To do this, however, you must have access to the private key and its pass-phrase. Without them you can do nothing.
Change your pass-phrase
Should you suspect your pass-phrase is compromised, you can change this also from the Key Properties dialogue. The button is below .
Revoking a key
If you lose your private key or think it has been compromised in some way you need to revoke it. To reliably render a key unusable you need to revoke it. Revoking is done by adding a special revocation signature to the key.
The revocation signature can be created together with the key. In this case it is stored in a separate file. This file can later be imported into
the keyring and is then attached to the key rendering it unusable.
Warning
note that to import this signature to the key no password is required. Therefore you should store this revokation signature in a safe place, usually one that is different from you key pair. It is a good advise to use a place that is detached from your computer, either copy it to an
external storage device like an USB stick or print it out.
If you have not created such a detached revocation on key creation you can
create such a revocation signature at any time choosing , optionally importing it to your keyring immediately.
Note
Tip
Tip
A full illustrated manual helps you through every detail.
If you are not in a position to physically verify the identity of your contacts you should especially read the key-signing section which explains the benefits of local-signing.