LEADER 00000nam 2200181 a 4500 001 1565920988 007 t 008 030121s1995 xxu r 001 eng 020 1565920988 040 CURL 100 1 Garfinkel, Simson. 245 00 PGP :|bPretty Good Privacy. 260 Sebastopol, Calif :|bO'Reilly & Associates,|c1995. 300 393p. 650 0 Computer security.
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