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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