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gnutls_privkey_sign_hash(3)		      gnutls		      gnutls_privkey_sign_hash(3)

       gnutls_privkey_sign_hash - API function

       #include <gnutls/abstract.h>

       int gnutls_privkey_sign_hash(gnutls_privkey_t signer, gnutls_digest_algorithm_t hash_algo,
       unsigned int flags, const gnutls_datum_t * hash_data, gnutls_datum_t * signature);

       gnutls_privkey_t signer
		   Holds the signer's key

       gnutls_digest_algorithm_t hash_algo
		   The hash algorithm used

       unsigned int flags
		   Zero or one of gnutls_privkey_flags_t

       const gnutls_datum_t * hash_data
		   holds the data to be signed

       gnutls_datum_t * signature
		   will contain newly allocated signature

       This function will sign the given hashed data using a signature algorithm supported by the
       private key. Signature algorithms are always used together with a hash functions.  Differ-
       ent hash functions may be used for the RSA algorithm, but only SHA-XXX for the DSA keys.

       You may use gnutls_pubkey_get_preferred_hash_algorithm() to determine the hash algorithm.

       Note that if GNUTLS_PRIVKEY_SIGN_FLAG_TLS1_RSA flag is specified this function will ignore
       hash_algo and perform a raw PKCS1 signature.

       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative error value.


       Report bugs to <bug-gnutls@gnu.org>.
       General guidelines for reporting bugs: http://www.gnu.org/gethelp/
       GnuTLS home page: http://www.gnu.org/software/gnutls/

       Copyright (C) 2012 Free Software Foundation, Inc..
       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.

       The full documentation for gnutls is maintained as a Texinfo  manual.   If  the	info  and
       gnutls programs are properly installed at your site, the command

	      info gnutls

       should  give you access to the complete manual.	As an alternative you may obtain the man-
       ual from:


gnutls					      3.1.15		      gnutls_privkey_sign_hash(3)
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