On 16-04-09 05:39 PM, Stewart C. Russell wrote:
On 2016-04-09 05:05 PM, James Knott wrote:
GPG forever!
Except that:
1) you can still see all the regular e-mail header metadata, so with a lot of data correlation, you can work out who is doing what and who is part of which network without decrypting the messages;
2) it sets the NSA's "Has Something To Hide" bit:
<http://www.theregister.co.uk/2016/01/27/nsa_loves_it_when_you_use_pgp/>; and
3) you have to assume that the code and the system you're running it on haven't been compromised.
The best form of encryption that I ever read about is to use a book. You need to be able to agree on the book in a secure manner. Then each word in the message is replaced with a pair of numbers, corresponding to the page and word offset of the word. The number data can be appended to a jpg file that is distributed on social media. -- Stephen