3rdparty: Updated comments for Everest x25519
@@ -126,7 +126,8 @@ int mbedtls_x25519_calc_secret( mbedtls_x25519_context *ctx, size_t *olen,
int( *f_rng )(void *, unsigned char *, size_t),
void *p_rng )
{
- /* CMW: Is it okay that f_rng, p_rng are not used? */
+ /* f_rng and p_rng are not used here because this implementation does not
+ need blinding since it has constant trace. */
(( void )f_rng);
(( void )p_rng);
