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Kryptologie - aneb sifry vcera, dnes a zitra - Petr Hanuš

Kryptologie - aneb sifry vcera, dnes a zitra - Petr Hanuš

Kryptologie - aneb sifry vcera, dnes a zitra - Petr Hanuš

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Polybiův čtverec<br />

Autorem je řecký spisovatel a historik Polybius (přibližně 203–120<br />

př.n.l.)<br />

1 2 3 4 5<br />

1 A B C D E<br />

2 F G H I J<br />

3 K L M N O<br />

4 P Q R S T<br />

5 U V WX Y Z<br />

Píta (Brkos 2009) <strong>Kryptologie</strong> 30.8. – 5.9.2009 12 / 64

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