On Tue, Jul 08, 2014 at 10:54:18AM +0200, Kristian Fiskerstrand wrote: > Wouldn't necessarily be to _hide_ anything either. I tend to use it as > a role-based approach, e.g. I have an own key for my work address > (that is barely used at all, but it _is_ available). The primary > reason for this is that I have that key located on the company > computer which is under the control of the IT department, not me, so > wouldn't want to use my own personal keys for that. There is no limitation of how many keys can be associated with a single mail address. You may generate one key for each computer you are using and tell your contacts to encrypt the messages with a specified key.
For example, on a private subject - you may use the key stored on your private computer, so that the sender will ensure that you read the encrypted message on your private pc not on your public system. If privacy isn't absolutely needed, you may use the key stored on your public system managed by another administrator. Your key is safe, as long as you protect it with an uncrackable passphrase. The system administrator may gain access to your private key file, but not to your private key usage right. One last thing to remember: if you don't trust the system, don't store any private key on it. That's a bit paranoid, but it's better to be safe than to trust and regret later.
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