[±âȹ¼] An Introduction to Cryptography - ¹Ì¸®º¸±â¸¦ Âü°í ¹Ù¶ø´Ï´Ù. / An Introduction to Cryptography Copyright ¨Ï 1990-1998 Network Associates, Inc. and its Affiliated Companies. All Rights Reserved. PGP*, Version 6.0 8-98. Printed in the United States of America. PGP, Pretty Good, and Pretty Good Privacy are registered trademarks of Network Associates, ¡¦