Re: [liberationtech] Fwd: SafeGDocs: encrypted documents in Google Drive

2013-04-18 Thread Carmela Troncoso
Hi Steve, thanks so much for your feedback. We will change the AES implementation asap, and Stanford's JS Crypto is a perfect candidate. Thanks for pointing it out. We have looked at the SecureDocs project, but the code at their web only works with old Firefox version. Do you know whether the

Re: [liberationtech] Fwd: SafeGDocs: encrypted documents in Google Drive

2013-04-13 Thread Steve Weis
Hi. SafeGDocs appears to use a unsafe implementation of AES-CTR mode from here: http://www.movable-type.co.uk/scripts/aes.html Two problems with this library: - It generates a predictable CTR mode IV using time of day. - There is apparently no authentication of the ciphertext, which in CTR mode