more complete information.

description of that object or command.  See the PGP User's Guide for

window locations. MacPGP will bring up the Help window and scroll to the

will turn into a question mark. Then select any menu command or click on

Command-? (or the Help key on the extended keyboard) and the cursor

method to help you quickly locate information in the manual. Press

This Macintosh interactive help dialog system by J. Norstad offers a



masses".

software implementations.  PGP is "public key cryptography for the

And PGP performs the public-key functions faster than most other

encryption, good ergonomic design, and sophisticated key management.

message digests for digital signatures, data compression before

public key cryptosystem with the speed of conventional cryptography,

PGP combines the convenience of the Rivest-Shamir-Adleman (RSA)



technology called "public key" cryptography.

PGP much easier to use.  This is because PGP is based on a powerful new

secure channels are needed to exchange keys between users, which makes

managing keys associated with conventional cryptographic software.  No

that privacy and authentication are provided without the hassles of

person can only have originated from that person.  Convenience means

Authentication means that messages that appear to be from a particular

means that only those intended to receive a message can read it.

files or messages with privacy, authentication, and convenience.  Privacy

popular personal computers, and others.  PGP allows people to exchange

ported to a wide variety of platforms including Unix, VAX/VMS, most

high security cryptographic software application originally for MSDOS but

Pretty Good™ Privacy (PGP), from Phil's Pretty Good Software, is a






åIntroduction