Re:Petition UK government to not ban encryption
by w0000t on Friday August 21, 2015 @10:05AM
(#10097517)
Storing the different information in the same place is impossible. You could use stenography but then anyone with access to the program/source will immediately discover the deceit.
You can use what hiq is suggesting, https://news.ycombinator.com/item?id=10097533, but that is a different method.