This function will return the public key algorithm of an X.509
If bits is non null, it should have enough size to hold the
parameters size in bits. For RSA the bits returned is the modulus.
For DSA the bits returned are of the public exponent.
Unknown/unsupported algorithms are mapped to GNUTLS_PK_UNKNOWN.
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this manual
page, send it to email@example.com.. This page was obtained from the
tarball gnutls-3.5.9.tar.xz fetched from
⟨http://www.gnutls.org/download.html⟩ on 2017-03-13. If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page, or
you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a mail