gnutls_x509_crt_get_fingerprint — API function
Synopsis
#include <gnutls/x509.h>
int gnutls_x509_crt_get_fingerprint(gnutls_x509_crt_t cert, gnutls_digest_algorithm_t algo, void * buf, size_t * buf_size);
Arguments
- gnutls_x509_crt_t cert
should contain a gnutls_x509_crt_t type
- gnutls_digest_algorithm_t algo
is a digest algorithm
- void * buf
a pointer to a structure to hold the fingerprint (may be null)
- size_t * buf_size
initially holds the size of buf
Description
This function will calculate and copy the certificate's fingerprint in the provided buffer. The fingerprint is a hash of the DER-encoded data of the certificate.
If the buffer is null then only the size will be filled.
Returns
GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough, and in that case the *buf_size will be updated with the required size. On success 0 is returned.
Reporting Bugs
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
Copyright
Copyright © 2001-2019 Free Software Foundation, Inc., and others.
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.
See Also
The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit