== Signing with OpenPGP ==

As opposed to x.509.

=== Code bases ===

 * [[http:openpgp.nominet.org.uk|OpenPGP::SDK]] is the OpenPGP C library developed by Ben Laurie and Rachel Willmer, based on RFC 4880.

=== Requirements ===

 * has to provide RSA signatures
 * has to work over RSA keys
 * covers a single name IDfield over a key, not all the names
 * generates a fingerprint

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