gnutls_pubkey_get_preferred_hash_algorithm man page on Archlinux
gnutls_pubkey_get_preferred_hash_algorithm - API function
int gnutls_pubkey_get_preferred_hash_algorithm(gnutls_pubkey_t key,
gnutls_digest_algorithm_t * hash, unsigned int * mand);
Holds the certificate
gnutls_digest_algorithm_t * hash
The result of the call with the hash algorithm used for
unsigned int * mand
If non zero it means that the algorithm MUST use this hash.
May be NULL.
This function will read the certifcate and return the appropriate
digest algorithm to use for signing with this certificate. Some cer‐
tificates (i.e. DSA might not be able to sign without the preferred
To get the signature algorithm instead of just the hash use
gnutls_pk_to_sign() with the algorithm of the certificate/key and the
provided hash .
the 0 if the hash algorithm is found. A negative error code is returned
Report bugs to <email@example.com>.
Home page: http://www.gnutls.org
Copyright © 2001-2014 Free Software Foundation, Inc..
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
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