Question 1 (total of 6 marks)

Critique the following statement:

We achieve security by obscurity: by keeping our algorithms secret we obtain the best

guarantee of security.

Your answer should cover roughly half a page of A4 paper. (6 marks)

(ps: You are strongly encouraged to answer this question using a word processing / typesetting

program, e.g., LaTex, Word. Please avoid submitting it handwritten.)