August 2017 - Ciphertext Competition
SI-5 having learnt from EA-4 the principle behind the use of ciphertext that EA-4 used to write his notes of meetings decided to use it as well. However she devised a computer programme to do the work for her. The test text that she used to check her programme was the following. What did it say?
50/51, 60/25, 77/21, 103/52
For the reference text I have gone back to a book by a former Director – General of MI5.
The answer to June’s competition was the car was closer. The winner will be notified within 14 days.
- The author of the reference text and their immediate family are not allowed to enter this competition.
- You may enter up to five times but each entry must be accompanied by a fresh fee.
- Closing date 12 noon on 31 August 2017