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@deftypefun {int} {gnutls_hex_encode2} (const gnutls_datum_t * @var{data}, gnutls_datum_t * @var{result})
@var{data}: contain the raw data
@var{result}: the result in an allocated string
This function will convert the given data to printable data, using
the hex encoding, as used in the PSK password files.
Note that the size of the result does NOT include the null terminator.
@strong{Returns:} @code{GNUTLS_E_SUCCESS} on success, otherwise a negative error code.
@end deftypefun
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