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1991-06-23
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Pretty Good Privacy v1.0 Philip Zimmermann Free
OTHR JUN91 ENCRYPTION ENCRYPT PRIVATE ENCODE
FILES: pgp10.sdn
New to SDN (Distribution in USA only)
Pretty Good Privacy
RSA Public Key Cryptography for the Masses
Pretty Good(tm) Privacy (PGP), from Phil's Pretty Good
Software, is a high security cryptographic software
application for MSDOS. PGP allows people to exchange files or
messages with privacy, authentication, and convenience.
Privacy means only those intended to receive a message can
read it. Authentication means messages that appear to be from
a particular person can only have originated from that person.
Convenience means that privacy and authentication are provided
without the hassles of managing keys associated with
conventional cryptographic software. No secure channels are
needed to exchange keys between users, which makes PGP much
easier to use. This is because PGP is based on an powerful
new technology called "public key" cryptography.
PGP combines the convenience of the Rivest-Shamir-Adleman
(RSA) public key cryptosystem with the speed of fast
conventional cryptographic algorithms, fast message digest
algorithms, data compression, and sophisticated key
management. And PGP performs the RSA functions faster than
most other software implementations. PGP is RSA public key
cryptography for the masses.
PGP does not provide any built-in modem communications
capability. You must use a separate product such as TELIX or
PROCOMM for that.
The RSA public key cryptosystem was developed at MIT with
Federal funding from grants from the National Science
Foundation and the Navy. It is patented by MIT (U.S. patent
#4,405,829, issued 20 Sep 1983). A company called Public Key
Partners (PKP) holds the exclusive commercial license to sell
and sub-license the RSA public key cryptosystem. For
licensing details on the RSA algorithm, you can contact Robert
Fougner at PKP, at 408/735-6779. The author of this software
implementation of the RSA algorithm is providing this
implementation for educational use only. Licensing this
algorithm from PKP is the responsibility of you, the user, not
Philip Zimmermann, the author of this software implementation.
The author assumes no liability for any breach of patent law
resulting from the unlicensed use by the user of the
underlying RSA algorithm used in this software.
Philip Zimmermann is a software engineer consultant with 17
years experience, specializing in embedded real-time systems,
cryptography, authentication, and data communications.
Experience includes design and implementation of
authentication systems for financial information networks,
network data security, key management protocols, embedded
real-time multitasking executives, operating systems, and
local area networks.
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(SDA format (c)Copyright 1990 The SDN Project - SDNet/Works!)
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