1gnutls_decode_gost_rs_value(3)      gnutls      gnutls_decode_gost_rs_value(3)
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NAME

6       gnutls_decode_gost_rs_value - API function
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SYNOPSIS

9       #include <gnutls/crypto.h>
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11       int   gnutls_decode_gost_rs_value(const   gnutls_datum_t  *  sig_value,
12       gnutls_datum_t * r, gnutls_datum_t * s);
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ARGUMENTS

15       const gnutls_datum_t * sig_value
16                   will holds a GOST signature according to RFC  4491  section
17                   2.2.2
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19       gnutls_datum_t * r
20                   will contain the r value
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22       gnutls_datum_t * s
23                   will contain the s value
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DESCRIPTION

26       This function will decode the provided  sig_value , into  r and  s ele‐
27       ments.  See RFC 4491 section 2.2.2 for the format of signature value.
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29       The output values may be padded with a zero byte to prevent  them  from
30       being  interpreted  as negative values. The value should be deallocated
31       using gnutls_free().
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RETURNS

34       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise an  error  code
35       is returned.
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SINCE

38       3.6.0
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REPORTING BUGS

41       Report bugs to <bugs@gnutls.org>.
42       Home page: https://www.gnutls.org
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46       Copyright © 2001-2019 Free Software Foundation, Inc., and others.
47       Copying  and  distribution  of this file, with or without modification,
48       are permitted in any medium  without  royalty  provided  the  copyright
49       notice and this notice are preserved.
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SEE ALSO

52       The  full  documentation  for gnutls is maintained as a Texinfo manual.
53       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
54       visit
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56       https://www.gnutls.org/manual/
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58gnutls                               3.6.8      gnutls_decode_gost_rs_value(3)
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