dane_verify_crt - Online Linux Manual PageSection : 3
Updated : 3.7.3
Source : gnutls
Note : gnutls
NAMEdane_verify_crt − API function
SYNOPSIS#include <gnutls/dane.h> int dane_verify_crt(dane_state_t s, const gnutls_datum_t * chain, unsigned chain_size, gnutls_certificate_type_t chain_type, const char * hostname, const char * proto, unsigned int port, unsigned int sflags, unsigned int vflags, unsigned int * verify);
ARGUMENTSdane_state_t s A DANE state structure (may be NULL) const gnutls_datum_t * chain A certificate chain unsigned chain_size The size of the chain gnutls_certificate_type_t chain_type The type of the certificate chain const char * hostname The hostname associated with the chain const char * proto The protocol of the service connecting (e.g. tcp) unsigned int port The port of the service connecting (e.g. 443) unsigned int sflags Flags for the initialization of s (if NULL) unsigned int vflags Verification flags; an OR'ed list of dane_verify_flags_t. unsigned int * verify An OR'ed list of dane_verify_status_t.
DESCRIPTIONThis function will verify the given certificate chain against the CA constrains and/or the certificate available via DANE. If no information via DANE can be obtained the flag DANE_VERIFY_NO_DANE_INFO is set. If a DNSSEC signature is not available for the DANE record then the verify flag DANE_VERIFY_NO_DNSSEC_DATA is set. Due to the many possible options of DANE, there is no single threat model countered. When notifying the user about DANE verification results it may be better to mention: DANE verification did not reject the certificate, rather than mentioning a successful DANE verication. Note that this function is designed to be run in addition to PKIX − certificate chain − verification. To be run independently the DANE_VFLAG_ONLY_CHECK_EE_USAGE flag should be specified; then the function will check whether the key of the peer matches the key advertized in the DANE entry.
RETURNSa negative error code on error and DANE_E_SUCCESS (0) when the DANE entries were successfully parsed, irrespective of whether they were verified (see verify for that information). If no usable entries were encountered DANE_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
REPORTING BUGSReport bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHTCopyright © 2001- Free Software Foundation, Inc., and others.
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.
SEE ALSOThe full documentation for gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit https://www.gnutls.org/manual/ 0
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