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gnutls_x509_p...ey_get_key_id(3) gnutls gnutls_x509_p...ey_get_key_id(3)
gnutls_x509_privkey_get_key_id - API function
#include <gnutls/x509.h> int gnutls_x509_privkey_get_key_id(gnutls_x509_privkey_t key, unsigned int flags, unsigned char * output_data, size_t * output_data_size);
gnutls_x509_privkey_t key a key unsigned int flags should be one of the flags from gnutls_keyid_flags_t unsigned char * output_data will contain the key ID size_t * output_data_size holds the size of output_data (and will be replaced by the actual size of parameters)
This function will return a unique ID that depends on the public key parameters. This ID can be used in checking whether a certificate corresponds to the given key. If the buffer provided is not long enough to hold the output, then * output_data_size is updated and GNUTLS_E_SHORT_MEMORY_BUFFER will be returned. The output will normally be a SHA-1 hash output, which is 20 bytes.
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value.
Report bugs to <[email protected]>. Home page: https://www.gnutls.org
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gnutls 3.8.5 gnutls_x509_p...ey_get_key_id(3)