00573nam a2200205 a 450000500170000002000150001708200160003210000260004824500330007425000120010726000350011930000250015449000390017969000180021869000170023696400160025399700190026999900170028895200620030520251203110608.0  a038721156X  a005.82bBUC  aBuchmann, Johannes A.  aIntroduction to Gryptography  a2nd ed.  aGermanybSpringer-Verlagc2004  axvi,335p.c24 cm. HB  aUndergraduate Texts in Mathematics  acoding theory  aCryptography  bcdefg_  a112910 LIBSC C  c95709d95709  00104070aPUbPUd2005-06-02l0o005.82 BUCp112910yBK