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    Command:

    gnutls_prf_raw

    
    
    

    SYNOPSIS

           #include <gnutls/gnutls.h>
    
           int  gnutls_prf_raw(gnutls_session_t  session, size_t label_size, const
           char * label, size_t seed_size, const char * seed, size_t outsize, char
           * out);
    
    
    

    ARGUMENTS

           gnutls_session_t session
                       is a gnutls_session_t structure.
    
           size_t label_size
                       length of the  label variable.
    
           const char * label
                       label used in PRF computation, typically a short string.
    
           size_t seed_size
                       length of the  seed variable.
    
           const char * seed
                       optional extra data to seed the PRF with.
    
           size_t outsize
                       size of pre-allocated output buffer to hold the output.
    
           char * out  pre-allocated buffer to hold the generated data.
    
    
    

    DESCRIPTION

           Apply the TLS Pseudo-Random-Function (PRF) on the master secret and the
           provided data.
    
           The  label variable usually contains a string denoting the purpose  for
           the generated data.  The  seed usually contains data such as the client
           and server random, perhaps together with some additional data  that  is
           added to guarantee uniqueness of the output for a particular purpose.
    
           Because the output is not guaranteed to be unique for a particular ses-
           sion unless  seed includes the client random and server  random  fields
           (the  PRF would output the same data on another connection resumed from
           the first one), it is not recommended to use  this  function  directly.
           The gnutls_prf() function seeds the PRF with the client and server ran-
           dom fields directly, and is recommended if you want to generate  pseudo
           random data unique for each session.
    
    
    

    RETURNS

           GNUTLS_E_SUCCESS on success, or an error code.
    
    
    

    REPORTING BUGS

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

    gnutls 3.2.11 gnutls_prf_raw(3)

    
    
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