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bwiese : gpg   5

xkcd: PGP
How to use PGP to verify that an email is authentic:
Look for this text at the top... if it's there, the email is probably fine.
pgp  humor  gpg  email 
12 weeks ago by bwiese
In Apple Mail, There’s No Protecting PGP-Encrypted Messages
In a nutshell, the EFAIL attack works like this: First, the attacker needs a copy of a message that’s encrypted to your public key. They could get this by hacking your email account, hacking your email server, compelling your email provider to hand it over with a warrant, intercepting it while spying on the internet, or other ways. PGP was specifically designed to protect against this — the promise of PGP is that even attackers with copies of your encrypted messages can’t decrypt them, only you can. When you receive an email that’s encrypted to your public key, your email client automatically uses your secret key to decrypt it so that you can read it. The EFAIL researchers discovered that they could craft a special email that secretly includes a stolen encrypted message within it, and then send it to you. When you receive the malicious email, your email client uses your secret key to automatically decrypt the pilfered message within the malicious email, and then sends a decrypted copy of the stolen message back to the attacker — for example, through a web request to load an image into the email.
efail  encryption  pgp  gpg  email  cybersecurity 
june 2018 by bwiese
New PGP Encryption Exploits Are Being Discovered Almost Every Other Day
Gizmodo was alerted to flaws discovered as recently as Wednesday that currently impact multiple PGP implementations, including Enigmail (Thunderbird) and GPGTools (Apple Mail)—the technical details of which are withheld here while the appropriate developers are contacted and given time to address them.

“It wasn’t a case of having to write software to do this. You could literally just cut and paste what they said in the paper and use it. The video of how easy it was to use, that was the thing that clinched it for me—sitting and watching a video of someone just clicking a few buttons and being able to exfiltrate data.”

“It’s sometimes better to [temporarily] disable encryption (or decrypt in the terminal) than to have your whole past communication at stake.”
pgp  gpg  cybersecurity  crypto  encryption  efail  vulnerability 
june 2018 by bwiese
The World’s Email Encryption Software Relies on One Guy, Who is Going Broke - ProPublica
Update, Feb. 5, 2015, 8:10 p.m.: After this article appeared, Werner Koch informed us that last week he was awarded a one-time grant of $60,000 from Linux Foundation's Core Infrastructure Initiative. Werner told us he only received permission to disclose it after our article published. Meanwhile, since our story was posted, donations flooded Werner's website donation page and he reached his funding goal of $137,000. In addition, Facebook and the online payment processor Stripe each pledged to donate $50,000 a year to Koch’s project.

The man who built the free email encryption software used by whistleblower Edward Snowden, as well as hundreds of thousands of journalists, dissidents and security-minded people around the world, is running out of money to keep his project alive.

Werner Koch wrote the software, known as Gnu Privacy Guard, in 1997, and since then has been almost single-handedly keeping it alive with patches and updates from his home in Erkrath, Germany. Now 53, he is running out of money and patience with being underfunded.
gpg  email  encryption  gnu 
june 2016 by bwiese

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