Re: [liberationtech] Encipher.it

2013-06-20 Thread Michael Rogers
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 19/06/13 18:06, Steve Weis wrote: > I also noticed the verification code might be susceptible to a > timing attack: "if (hex_hmac_sha1(key, text) === hmac)" It looks like the adversary might be able to bypass MAC checking entirely: decryptNode() ac

Re: [liberationtech] Encipher.it

2013-06-19 Thread Steve Weis
I have one correction to my quick look at the encipher.it code. I had misread this line: "hmac = hex_hmac_sha1(key, _this.text);" in https://encipher.it/javascripts/ encipher.js I did not notice the second parameter and thought this was just MACing a key, which wouldn't make much sense. It's actua

Re: [liberationtech] Encipher.it

2013-06-18 Thread Cooper Quintin
Agreed, Security is all about trust. If you install pgp in debian you are trusting package maintainers, package server administrators, whoever most recently patched pgp code, the debian OS, the hardware that your computer is running and the other applications running on your OS. Most people don't

Re: [liberationtech] Encipher.it

2013-06-18 Thread Griffin Boyce
Wasabee wrote: > why does everyone want to trust yet another third party to encrypt data > on their behalf :)? > We're all relying on someone else's code to some extent, which is why I fully support approaching groups of knowledgeable people for their input. :D ~Griffin -- Too many emails? U

Re: [liberationtech] Encipher.it

2013-06-18 Thread Wasabee
why does everyone want to trust yet another third party to encrypt data on their behalf :)? if u want to encrypt stuff, u should do it on ur machine. Maybe what people should be searching for is an easy-to-use, audited and open source stack to do it. if we are too lazy to do it ourselves and wan

Re: [liberationtech] Encipher.it

2013-06-18 Thread Steve Weis
It's not safe. This is their bookmarklet: (function(){document.body.appendChild(document.createElement('script')).src=' https://encipher.it/javascripts/inject.js';})(); That loads a JavaScript file from the encipher.it site, which can be changed at any time and compromise your messages without yo

[liberationtech] Encipher.it

2013-06-18 Thread Lorenzo Franceschi Bicchierai
Have you guys seen this? https://encipher.it/ I've searched through the archives but didn't see anything. I'm wondering how safe this is. It has received some small attention on the media before. http://www.pcworld.com/article/255938/encipher_it_encrypts_email_for_free.html Thoughts? -- *Lor