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gnutls_hkdf_expand(3) gnutls gnutls_hkdf_expand(3) NAME gnutls_hkdf_expand - API function SYNOPSIS #include <gnutls/crypto.h> int gnutls_hkdf_expand(gnutls_mac_algorithm_t mac, const gnutls_datum_t * key, const gnutls_datum_t * info, void * output, size_t length); ARGUMENTS gnutls_mac_algorithm_t mac the mac algorithm used internally const gnutls_datum_t * key the pseudorandom key created with HKDF-Extract const gnutls_datum_t * info the optional informational data void * output the output value of the expand operation size_t length the desired length of the output key DESCRIPTION This function will derive a variable length keying material from the pseudorandom key using the HKDF-Expand function as defined in RFC 5869. RETURNS Zero or a negative error code on error. SINCE 3.6.13 REPORTING BUGS Report bugs to <bugs@gnutls.org>. Home page: https://www.gnutls.org COPYRIGHT Copyright (C) 2001-2023 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 no- tice and this notice are preserved. SEE ALSO The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/local/share/doc/gnutls/ directory does not contain the HTML form visit https://www.gnutls.org/manual/ gnutls 3.8.9 gnutls_hkdf_expand(3)
NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO
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