Cryptanalysis: A Study of Ciphers and Their Solution by Helen Fouche Gaines (Eng
21,82 €
It does not simply repeat older material, but contains much about modern cryptanalysis that is not generally known except to experts. A special appendix includes final letters, sequence charts, digram, trigram tables, most common words in English and frequencies in English, German, French, Italian, Spanish, and Portuguese.
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