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NAME

       SPKI - Simple Public Key Infrastructure formats

DESCRIPTION

       The  IETF  Simple Public Key Infrastructure Working Group has defined a
       format for  storing,  transmitting  and  manipulating  certificates  to
       support  security  in  a wide range of Internet applications which will
       require the use of public key certificates.

       For the definition of the SPKI format, please refer to [SPKI].

       The format of SPKI objects is a simplified  form  of  S-expression.  An
       S-expression is a list enclosed in matching "(" and ")", similar to the
       recursive list data structure in of the  LISP  and  Scheme  programming
       languages.

Canonical S-expression

       A  canonical S-expression is a unique representation of an S-expression
       which may contain arbitrary binary byte strings. For transport  over  a
       7-bit channel, it may be base64 (see [RFC2045]) encoded.

Advanced S-expression

       The advanced S-expression format is a complexer form of an S-expression
       which is not necessarily unique. It is more suited  for  human  reading
       than the canonical S-expression format.

EXAMPLE

       Examples SPKI certificates can be found in [SPKI].

REFERENCES

       <URL:http://www.clark.net/pub/cme/html/spki.html>
              Home-page of the IETF SPKI working group.

       <URL:http://theory.lcs.mit.edu/~rivest/sexp.html>
              Home-page of the S-expression technology.

       Carl M. Ellison, SPKI Requirements, Internet draft,
       <URL:http://www.ietf.org/internet-drafts/internet-drafts/draft-ietf-spki-cert-req-02.txt>,
       24 October 1998.

       [SPKI]  Carl M. Ellison, Bill Frantz, Butler Lampson, Ron Rivest, Brian
       M. Thomas and Tatu Ylonen,  Simple  Public  Key  Certificate,  Internet
       draft (expired),
       <URL:http://www.ietf.org/internet-drafts/internet-drafts/draft-ietf-spki-cert-structure-05.txt>,
       13 March 1998.

       Carl  M.  Ellison,  Bill  Frantz,  Butler Lampson, Ron Rivest, Brian M.
       Thomas and Tatu Ylonen, SPKI Certificate Theory, Internet draft,
       <URL:http://www.ietf.org/internet-drafts/internet-drafts/draft-ietf-spki-cert-theory-04.txt>,
       17 November 1998.

       Carl M. Ellison, Bill Frantz, Butler  Lampson,  Ron  Rivest,  Brian  M.
       Thomas and Tatu Ylonen, SPKI Examples, Internet draft (expired),
       <URL:http://www.ietf.org/internet-drafts/draft-ietf-spki-cert-examples-01.txt>,
       10 March 1998.

       [RFC2045]  N.  Freed  and  N.  Borenstein,  Multipurpose  Internet Mail
       Extensions (MIME) Part  One:  Format  of  Internet  Message  Bodies,  2
       December 1996.

AUTHOR

       This     man-page     was    written    by    J.H.M.    Dassen    (Ray)
       <jdassen@wi.LeidenUniv.nl>.

SEE ALSO

       lsh_keygen(1)