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gnutls_certificate_verify_peers2(3) |
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gnutls_certificate_verify_peers2 − This function returns the peer’s certificate verification status
#include <gnutls/gnutls.h>
int gnutls_certificate_verify_peers2(gnutls_session_t session, unsigned int * status);
gnutls_session_t session
is a gnutls session
unsigned int * status
is the output of the verification
This function will try to verify the peer’s certificate and return its status (trusted, invalid etc.). The value of status should be one or more of the gnutls_certificate_status_t enumerated elements bitwise or’d. To avoid denial of service attacks some default upper limits regarding the certificate key size and chain size are set. To override them use gnutls_certificate_set_verify_limits().
Note that you must also check the peer’s name in order to check if the verified certificate belongs to the actual peer.
Returns a negative error code on error and zero on success.
This is the same as gnutls_x509_verify_certificate() and uses the loaded CAs in the credentials as trusted CAs.
Note that some commonly used X.509 Certificate Authorities are still using Version 1 certificates. If you want to accept them, you need to call gnutls_certificate_set_verify_flags() with, e.g., GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT parameter.
Report bugs to <bug-gnutls@gnu.org>.
Copyright
© 2004 Free Software Foundation.
Permission is granted to make and distribute verbatim copies
of this manual provided the copyright notice and this
permission notice are preserved on all copies.
The full documentation for gnutls is maintained as a Texinfo manual. If the info and gnutls programs are properly installed at your site, the command
info gnutls
should give you access to the complete manual.
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gnutls_certificate_verify_peers2(3) | |