1gnutls_privkey_derive_secret(3)     gnutls     gnutls_privkey_derive_secret(3)
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NAME

6       gnutls_privkey_derive_secret - API function
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SYNOPSIS

9       #include <gnutls/abstract.h>
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11       int  gnutls_privkey_derive_secret(gnutls_privkey_t privkey, gnutls_pub‐
12       key_t pubkey, const gnutls_datum_t * nonce,  gnutls_datum_t  *  secret,
13       unsigned int flags);
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ARGUMENTS

16       gnutls_privkey_t privkey
17                   a private key of type gnutls_privkey_t
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19       gnutls_pubkey_t pubkey
20                   a public key of type gnutls_pubkey_t
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22       const gnutls_datum_t * nonce
23                   an optional nonce value
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25       gnutls_datum_t * secret
26                   where shared secret will be stored
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28       unsigned int flags
29                   must be zero
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DESCRIPTION

32       This  function  will  calculate  a  shared secret from our  privkey and
33       peer's  pubkey . The result will be stored in  secret , whose data mem‐
34       ber should be freed after use using gnutls_free().  privkey and
35        pubkey must be backed by the X.509 keys.
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RETURNS

38       On  success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative er‐
39       ror value.
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SINCE

42       3.8.2
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REPORTING BUGS

45       Report bugs to <bugs@gnutls.org>.
46       Home page: https://www.gnutls.org
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50       Copyright © 2001-2023 Free Software Foundation, Inc., and others.
51       Copying and distribution of this file, with  or  without  modification,
52       are  permitted in any medium without royalty provided the copyright no‐
53       tice and this notice are preserved.
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SEE ALSO

56       The full documentation for gnutls is maintained as  a  Texinfo  manual.
57       If  the /usr/share/doc/gnutls/ directory does not contain the HTML form
58       visit
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60       https://www.gnutls.org/manual/
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62gnutls                               3.8.2     gnutls_privkey_derive_secret(3)
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