DOKK / manpages / debian 10 / gnutls-doc / gnutls_x509_crt_get_signature_algorithm.3.en
gnutls_x509_crt_get_signature_algorithm(3) gnutls gnutls_x509_crt_get_signature_algorithm(3)

gnutls_x509_crt_get_signature_algorithm - API function

#include <gnutls/x509.h>

int gnutls_x509_crt_get_signature_algorithm(gnutls_x509_crt_t cert);

should contain a gnutls_x509_crt_t type

This function will return a value of the gnutls_sign_algorithm_t enumeration that is the signature algorithm that has been used to sign this certificate.

Since 3.6.0 this function never returns a negative error code. Error cases and unknown/unsupported signature algorithms are mapped to GNUTLS_SIGN_UNKNOWN.

a gnutls_sign_algorithm_t value

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

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3.6.7 gnutls