tls: fix the case of sp_256_mont_tpl_10() leaving striay high bits
It has no effect on correctness, but interferes with compating internal state
of different implementations.
function old new delta
sp_256_proj_point_dbl_10 443 451 +8
static.sp_256_mont_sub_10 46 49 +3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 11/0) Total: 11 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/tls.h b/networking/tls.h
index 215e92b..eb0fdd4 100644
--- a/networking/tls.h
+++ b/networking/tls.h
@@ -117,3 +117,7 @@
void curve_P256_compute_pubkey_and_premaster(
uint8_t *pubkey2x32, uint8_t *premaster32,
const uint8_t *peerkey2x32) FAST_FUNC;
+
+void curve_P256_compute_pubkey_and_premaster_NEW(
+ uint8_t *pubkey2x32, uint8_t *premaster32,
+ const uint8_t *peerkey2x32) FAST_FUNC;