1gnutls_x509_privkey_sign_data(3)    gnutls    gnutls_x509_privkey_sign_data(3)
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NAME

6       gnutls_x509_privkey_sign_data  - This function will sign the given data
7       using the private key params
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SYNOPSIS

10       #include <gnutls/x509.h>
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12       int      gnutls_x509_privkey_sign_data(gnutls_x509_privkey_t       key,
13       gnutls_digest_algorithm_t    digest,    unsigned   int   flags,   const
14       gnutls_datum_t * data, void * signature, size_t * signature_size);
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ARGUMENTS

17       gnutls_x509_privkey_t key
18                   Holds the key
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20       gnutls_digest_algorithm_t digest
21                   should be MD5 or SHA1
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23       unsigned int flags
24                   should be 0 for now
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26       const gnutls_datum_t * data
27                   holds the data to be signed
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29       void * signature
30                   will contain the signature
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32       size_t * signature_size
33                   holds the size of signature (and will be  replaced  by  the
34                   new size)
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DESCRIPTION

37       This function will sign the given data using a signature algorithm sup‐
38       ported by  the  private  key.  Signature  algorithms  are  always  used
39       together  with  a hash functions.  Different hash functions may be used
40       for the RSA algorithm, but only SHA-1 for the DSA keys.
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42       If the buffer provided is not long enough  to  hold  the  output,  then
43       *signature_size  is  updated  and  GNUTLS_E_SHORT_MEMORY_BUFFER will be
44       returned.
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46       In case of failure a negative value will be returned, and 0 on success.
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REPORTING BUGS

49       Report bugs to <bug-gnutls@gnu.org>.
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52       Copyright © 2006 Free Software Foundation.
53       Permission is granted to make and distribute verbatim  copies  of  this
54       manual  provided  the  copyright  notice and this permission notice are
55       preserved on all copies.
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SEE ALSO

58       The full documentation for gnutls is maintained as  a  Texinfo  manual.
59       If  the  info  and gnutls programs are properly installed at your site,
60       the command
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62              info gnutls
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64       should give you access to the complete manual.
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68gnutls                               1.6.3    gnutls_x509_privkey_sign_data(3)
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