int gnutls_x509_crt_get_signature_algorithm(gnutls_x509_crt_t cert);
- 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
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