Elementary cryptanalysis

About This Book

The wordcryptography, properly speaking, embraces the entire field of secret writing, while that branch of the subject dealing with the solution and reading of cryptic messages is generally referred to ascryptanalysis.Works on the subject of secret writing are comparatively numerous, if not always easily available, but works devoted purely to the analysis of such writing and the solving of its cryptograms have, until recently, been so rare as to be almost non-existent for the general reader.The subject which we are about to study is the analysis and solution ofcipher, though not includingcode,...