Archive

Posts Tagged ‘PGP’

Force Thunderbird/Enigmail to use a specific signing (hash) algorithm

June 8th, 2014 No comments

If you’ve had issues trying to get Thunderbird to send your PGP signed e-mail using anything other than SHA-1 there is a quick and easy fix that will let you pick whichever hash you prefer.

1) Open up Thunderbird’s preferences

2) On the Advanced Tab, under General click Config Editor

3) In the about:config window search for “extensions.enigmail.mimeHashAlgorithm” without quotes. Double click on this and enter a value. The value will determine which hash algorithm is used for signing.

The values are as follows:

0: Automatic selection, let GnuPG choose (note that while this may be the default it may also be the one that doesn’t work depending on your configuration).
1: SHA-1
2: RIPEMD-160
3: SHA-256
4: SHA-384
5: SHA-512
6: SHA-224

This post originally appeared on my personal website here.




I am currently running a variety of distributions, primarily Linux Mint 17.
Previously I was running KDE 4.3.3 on top of Fedora 11 (for the first experiment) and KDE 4.6.5 on top of Gentoo (for the second experiment).
Check out my profile for more information.

Alien, OpenPGP & Wine

September 6th, 2009 No comments

Now that the horrors of installation and setup are a part of the past I have been spending my time delving deep into the desktop and the applications. I would like to briefly touch upon three of these.

Alien

One of the first things you figure out after you install your distribution of choice is what package manager they are using. Now I’m not talking about Synaptic, mintInstall, or KPackageKit, but rather the packaging format, commonly RPM or DEB. While both of these are excellent they do create problems when you want to install software that only comes in the format that your distribution does not use. This is where alien comes in. Alien is a small command line program that will convert from one package to the other. So I can download a .deb file and use alien to convert it into Fedora’s native .rpm format. It’s simple and works great.

OpenPGP

As I am a bit of a privacy nut I have been using Pretty Good Privacy for a while now to secure my e-mail and attachments. My mail client of choice makes this very easy through the use of the Enigmail add-on. What’s even better is Fedora, like most if not all Linux distributions, already ships with the program gpg. GnuPG is a command line application that implements OpenPGP, the open source, fully compatible version of PGP. This means that no matter which program you are using on your system they can all access the same PGP keys seamlessly! I have taken the extra step of generating a GPG key for my e-mail account here, tyler at thelinuxexperiment.com, which you can find under my page (under Guinea Pigs at the top). I highly recommend anyone who is the least bit computer savvy set themselves up  an key and upload it to a key server. It takes about 1 minute and is very easy to use!

Wine

Wine, or Wine Is Not an Emulator, is a Linux program that can run a lot of Window’s programs by tricking them into thinking they are running on a Window’s machine. While I wouldn’t recommend it for everything, Wine is quite powerful and can get you out of a pinch. You can run Windows programs simply by opening a terminal and typing

wine [path to exe]

wine_notepad

Notepad running thanks to Wine