gnutls_pubkey_get_key_usage − API function
#include <gnutls/abstract.h>
int gnutls_pubkey_get_key_usage(gnutls_pubkey_t key, unsigned int * usage);
gnutls_pubkey_t key
should contain a gnutls_pubkey_t type
unsigned int * usage
If set will return the number of bits of the parameters (may be NULL)
This function will return the key usage of the public key.
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value.
2.12.0
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