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Man Pages


Manual Reference Pages  -  GNUTLS_X509_PRIVKEY_SIGN_DATA (3)

NAME

gnutls_x509_privkey_sign_data - API function

CONTENTS

Synopsis
Arguments
Copyright

SYNOPSIS

#include <gnutls/x509.h>

int gnutls_x509_privkey_sign_data(gnutls_x509_privkey_t key, gnutls_digest_algorithm_t digest, unsigned int flags, const gnutls_datum_t * data, void * signature, size_t * signature_size);

ARGUMENTS

gnutls_x509_privkey_t key a key
gnutls_digest_algorithm_t digest should be MD5 or SHA1
unsigned int flags should be 0 for now
const gnutls_datum_t * data holds the data to be signed
void * signature will contain the signature
size_t * signature_size holds the size of signature (and will be replaced by the new size)

DESCRIPTION

This function will sign the given data using a signature algorithm supported by the private key. Signature algorithms are always used together with a hash functions. Different hash functions may be used for the RSA algorithm, but only SHA-1 for the DSA keys.

If the buffer provided is not long enough to hold the output, then * signature_size is updated and GNUTLS_E_SHORT_MEMORY_BUFFER will be returned.

Use gnutls_x509_crt_get_preferred_hash_algorithm() to determine the hash algorithm.

RETURNS

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

REPORTING BUGS

Report bugs to <bugs@gnutls.org>.
Home page: http://www.gnutls.org

COPYRIGHT

Copyright © 2001-2016 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
http://www.gnutls.org/manual/
Search for    or go to Top of page |  Section 3 |  Main Index


gnutls GNUTLS_X509_PRIVKEY_SIGN_DATA (3) 3.4.9

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