a C++ Class Library of Cryptographic Primitives This library includes: MD2, MD5, SHA-1, HAVAL, Tiger, RIPE-MD160, MD5-MAC, HMAC, XOR-MAC, DES, IDEA, WAKE, 3-WAY, TEA, SAFER, Blowfish, SHARK, GOST, CAST-128, Square,Diamond2, Sapphire, RC2, RC5,

fire net Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a street or a piece of wall.