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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_decode_rs_value(3) gnutls gnutls_decode_rs_value(3)
gnutls_decode_rs_value - API function
#include <gnutls/crypto.h>
int gnutls_decode_rs_value(const gnutls_datum_t * sig_value,
gnutls_datum_t * r, gnutls_datum_t * s);
const gnutls_datum_t * sig_value
holds a Dss-Sig-Value DER or BER encoded structure
gnutls_datum_t * r
will contain the r value
gnutls_datum_t * s
will contain the s value
This function will decode the provided sig_value , into r and s
elements. The Dss-Sig-Value is used for DSA and ECDSA signatures.
The output values may be padded with a zero byte to prevent them from
being interpreted as negative values. The value should be deallocated
using gnutls_free().
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise an error code
is returned.
3.6.0
Report bugs to <bugs@gnutls.org>.
Home page: http://www.gnutls.org
Copyright © 2001-2017 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.
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/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this manual
page, send it to bugs@gnutls.org.. This page was obtained from the
tarball gnutls-3.6.1.tar.xz fetched from
⟨http://www.gnutls.org/download.html⟩ on 2018-02-02. If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page, or
you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a mail
to man-pages@man7.org
gnutls 3.6.1 gnutls_decode_rs_value(3)
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