gnutls_openpgp_crt_get_subkey_fingerprint (3)

#include <gnutls/openpgp.h>

int gnutls_openpgp_crt_get_subkey_fingerprint(gnutls_openpgp_crt_t key, unsigned int idx, void * fpr, size_t * fprlen);

gnutls_openpgp_crt_t key

the raw data that contains the OpenPGP public key.

unsigned int idx

the subkey index

void * fpr

the buffer to save the fingerprint, must hold at least 20 bytes.

size_t * fprlen

the integer to save the length of the fingerprint.

Get key fingerprint of a subkey. Depending on the algorithm, the fingerprint can be 16 or 20 bytes.

On success, 0 is returned. Otherwise, an error code.

2.4.0

Report bugs to <[email protected]>.

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