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gnutls_x509_crl_verify - Man Page

API function


#include <gnutls/x509.h>

int gnutls_x509_crl_verify(gnutls_x509_crl_t crl, const gnutls_x509_crt_t * trusted_cas, unsigned tcas_size, unsigned int flags, unsigned int * verify);


gnutls_x509_crl_t crl

is the crl to be verified

const gnutls_x509_crt_t * trusted_cas

is a certificate list that is considered to be trusted one

unsigned tcas_size

holds the number of CA certificates in CA_list

unsigned int flags

Flags that may be used to change the verification algorithm. Use OR of the gnutls_certificate_verify_flags enumerations.

unsigned int * verify

will hold the crl verification output.


This function will try to verify the given crl and return its verification status. See gnutls_x509_crt_list_verify() for a detailed description of return values. Note that since GnuTLS 3.1.4 this function includes the time checks.

Note that value in  verify is set only when the return value of this  function is success (i.e, failure to trust a CRL a certificate does not imply  a negative return value).

Before GnuTLS 3.5.7 this function would return zero or a positive number on success.


On success, GNUTLS_E_SUCCESS (0), otherwise a negative error value.

Reporting Bugs

Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org

See Also

The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit



3.8.6 gnutls