Laila looked puzzled at his guest.
- A simpler?
- The method by which the message is encrypted. Basically, as I said, nothing should not be tricky. The Europeans did not fond of cryptography, the Arabs have overtaken them in this art for several centuries. As with everything else. Yes ... I think, a simple algorithm is applied: the substitution or transposition.
Laila again raised her eyebrows.
- And you can humanly say?
- I'm sorry - he smiled. - This is one of my many flaws, I forget that not all people interested in the same thing as me. I will try to explain. In principle, the essence of substitution cipher that created a new alphabet, a place where letters or symbols substituted for letters of the current alphabet.
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