00564nam a2200205Ia 4500003000400000005001700004008004100021020001500062040001800077041000800095082002000103100002500123245004200148250001300190260004400203300002900247650002700276650003300303650002200336OSt20251112155314.0210716s2002 xx 000 0 und d a1584882069 cAIMIT LIBRARY aeng a005.8 21bSTID aStinson, Douglas, R. aCryptography :bTheory and practice / a2 nd ed. aNew York :bChapman & Hall/crc ,c2002. axiv,339p. ;bPBc23.3 cm aClassical cryptography aCryptographic hash functions aSignature schemes