What are the answers for 3 and 4? I seem to be stuck.
I found that page through other means.. ok.. now onto 3 and can't solve it!
Re:GCHQ: Can you find it?
by benmmurphy on Wednesday September 11, 2013 @12:59PM
(#6368338)
first look at the 3rd one the ciphertext looks consistent with random data at least for single byte frequencies.
http://www.standard.co.uk/advertorials/gchq/