gnutls_x509_trust_list_verify_crt2 - Online Linux Manual PageSection : 3
Updated : 3.7.3
Source : gnutls
Note : gnutls
NAMEgnutls_x509_trust_list_verify_crt2 − API function
SYNOPSIS#include <gnutls/x509.h> int gnutls_x509_trust_list_verify_crt2(gnutls_x509_trust_list_t list, gnutls_x509_crt_t * cert_list, unsigned int cert_list_size, gnutls_typed_vdata_st * data, unsigned int elements, unsigned int flags, unsigned int * voutput, gnutls_verify_output_function func);
ARGUMENTSgnutls_x509_trust_list_t list The list gnutls_x509_crt_t * cert_list is the certificate list to be verified unsigned int cert_list_size is the certificate list size gnutls_typed_vdata_st * data an array of typed data unsigned int elements the number of data elements unsigned int flags Flags that may be used to change the verification algorithm. Use OR of the gnutls_certificate_verify_flags enumerations. unsigned int * voutput will hold the certificate verification output. gnutls_verify_output_function func If non−null will be called on each chain element verification with the output.
DESCRIPTIONThis function will attempt to verify the given certificate chain and return its status. The voutput parameter will hold an OR'ed sequence of gnutls_certificate_status_t flags. When a certificate chain of cert_list_size with more than one certificates is provided, the verification status will apply to the first certificate in the chain that failed verification. The verification process starts from the end of the chain (from CA to end certificate). The first certificate in the chain must be the end−certificate while the rest of the members may be sorted or not. Additionally a certificate verification profile can be specified from the ones in gnutls_certificate_verification_profiles_t by ORing the result of GNUTLS_PROFILE_TO_VFLAGS() to the verification flags. Additional verification parameters are possible via the data types; the acceptable types are GNUTLS_DT_DNS_HOSTNAME, GNUTLS_DT_IP_ADDRESS and GNUTLS_DT_KEY_PURPOSE_OID. The former accepts as data a null−terminated hostname, and the latter a null−terminated object identifier (e.g., GNUTLS_KP_TLS_WWW_SERVER). If a DNS hostname is provided then this function will compare the hostname in the end certificate against the given. If names do not match the GNUTLS_CERT_UNEXPECTED_OWNER status flag will be set. In addition it will consider certificates provided with gnutls_x509_trust_list_add_named_crt(). If a key purpose OID is provided and the end−certificate contains the extended key usage PKIX extension, it will be required to match the provided OID or be marked for any purpose, otherwise verification will fail with GNUTLS_CERT_PURPOSE_MISMATCH status.
RETURNSOn success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value. Note that verification failure will not result to an error code, only voutput will be updated.
SINCE3.3.8
REPORTING BUGSReport bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
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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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