Email a copy of 'PGP for Preppers- Part 2, by Groundhog Gravy' to a friend
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To clarify “Forward Secrecy”, or “perfect forward secrecy” involves some more complex math – see Diffie Hellman Key Exchange for details – means that even if you LATER obtain the private key, you won’t be able to decrypt messages.
PGP doesn’t offer this, but the encrypted web access – HTTPS has it as an option if both the server and your browser (almost all do) support it.
Good article. It has been several years since I used PGP on windows. After seeing this, I was motivated to get it installed on my linux system. GPA certainly makes managing keys and working with files/clipboard much easier.
Thanks for submitting!
completely left out of these articles is the subject of Metadata
the metadata cannot be encrypted… From: To: and Subject: etc., as well as the IP addresses used, the dates and times, as well as locations used to access any given email.
Speaking in code over the telephone has the same issues.
Hitler discovered, in the early days of widespread telephone use, that the subject matter discussed was unimportant. It was the metadata that was valuable. Who spoke to whom and when.
And, yes, as JWR commented, having encrypted payloads in all your email, changes the potential “interest level” in your metadata.
That is almost but not quite true; I did discuss the subject line. I did not discuss the other points because they fall under a different topic, anonymity, which is different from privacy. I hope to cover it in another article.
Good article. The biggest problem I see is most communication is not coming from our home computers, but from our cell phones.
Thus what we really need is an app that allows this method of communication.
If its not easy most people won’t do it, or won’t keep doing it.
Really enjoyed this information. I used PGP on a windows maching for several years and have since started more Mac and Linux machines for my day to day work. GPA certainly has a lot of advantages and makes managing keys and working with files/clipboard much easier as was mentioned. Really appreciate all the info you provide and I look forward to following the blog more closely.
Submitted by: Marcus Drew – Bell Gardens