TheCodeBreakers
waning of the field as a whole is not among them. That question is
human.
18. Heterogeneous Impulses
FEW FALSE IDEAS have more firmly gripped the minds of so many
intelligent men than the one that, if they just tried, they could invent a
cipher that no one could break. Many have tried and, although only a
fraction of their
ciphers have been published or patented, the quantity and variety of
even this small sample is astounding.
Emile Myzskowski, a retired French colonel, devised a kind of
repeated-key transposition and published it in his Cryptographic
indechiftruble. Collon, a Belgian Army officer, proposed a number of
fractionating systems. One Rozier marched his plaintext letters through
the interior of a Vigenere tableau in a dizzily twisting path in an attempt.
to lose the cryptanalyst. The so-called Phillips cipher enciphers five
letters monoalphabetically in a 5 X 5 square, then shifts the lines of the
annaabi.ee 
