From: Thomas Pornin <pornin@bolet.org>
Date: Tue, 18 Dec 2018 23:19:19 +0000 (+0100)
Subject: Made m64 implementations of elliptic curves the default (when available).
X-Git-Url: https://bearssl.org/gitweb//home/git/?p=BearSSL;a=commitdiff_plain;h=d5acc4f590a1b83b646dafa0232aa68912e00c07;ds=sidebyside

Made m64 implementations of elliptic curves the default (when available).
---

diff --git a/src/ec/ec_all_m31.c b/src/ec/ec_all_m31.c
index b217d7c..8fd8c3c 100644
--- a/src/ec/ec_all_m31.c
+++ b/src/ec/ec_all_m31.c
@@ -29,10 +29,14 @@ api_generator(int curve, size_t *len)
 {
 	switch (curve) {
 	case BR_EC_secp256r1:
+#if BR_INT128 || BR_UMUL128
+		return br_ec_p256_m64.generator(curve, len);
+#else
 		return br_ec_p256_m31.generator(curve, len);
+#endif
 	case BR_EC_curve25519:
 #if BR_INT128 || BR_UMUL128
-		return br_ec_c25519_m62.generator(curve, len);
+		return br_ec_c25519_m64.generator(curve, len);
 #else
 		return br_ec_c25519_m31.generator(curve, len);
 #endif
@@ -46,10 +50,14 @@ api_order(int curve, size_t *len)
 {
 	switch (curve) {
 	case BR_EC_secp256r1:
+#if BR_INT128 || BR_UMUL128
+		return br_ec_p256_m64.order(curve, len);
+#else
 		return br_ec_p256_m31.order(curve, len);
+#endif
 	case BR_EC_curve25519:
 #if BR_INT128 || BR_UMUL128
-		return br_ec_c25519_m62.order(curve, len);
+		return br_ec_c25519_m64.order(curve, len);
 #else
 		return br_ec_c25519_m31.order(curve, len);
 #endif
@@ -63,10 +71,14 @@ api_xoff(int curve, size_t *len)
 {
 	switch (curve) {
 	case BR_EC_secp256r1:
+#if BR_INT128 || BR_UMUL128
+		return br_ec_p256_m64.xoff(curve, len);
+#else
 		return br_ec_p256_m31.xoff(curve, len);
+#endif
 	case BR_EC_curve25519:
 #if BR_INT128 || BR_UMUL128
-		return br_ec_c25519_m62.xoff(curve, len);
+		return br_ec_c25519_m64.xoff(curve, len);
 #else
 		return br_ec_c25519_m31.xoff(curve, len);
 #endif
@@ -81,10 +93,14 @@ api_mul(unsigned char *G, size_t Glen,
 {
 	switch (curve) {
 	case BR_EC_secp256r1:
+#if BR_INT128 || BR_UMUL128
+		return br_ec_p256_m64.mul(G, Glen, kb, kblen, curve);
+#else
 		return br_ec_p256_m31.mul(G, Glen, kb, kblen, curve);
+#endif
 	case BR_EC_curve25519:
 #if BR_INT128 || BR_UMUL128
-		return br_ec_c25519_m62.mul(G, Glen, kb, kblen, curve);
+		return br_ec_c25519_m64.mul(G, Glen, kb, kblen, curve);
 #else
 		return br_ec_c25519_m31.mul(G, Glen, kb, kblen, curve);
 #endif
@@ -99,10 +115,14 @@ api_mulgen(unsigned char *R,
 {
 	switch (curve) {
 	case BR_EC_secp256r1:
+#if BR_INT128 || BR_UMUL128
+		return br_ec_p256_m64.mulgen(R, x, xlen, curve);
+#else
 		return br_ec_p256_m31.mulgen(R, x, xlen, curve);
+#endif
 	case BR_EC_curve25519:
 #if BR_INT128 || BR_UMUL128
-		return br_ec_c25519_m62.mulgen(R, x, xlen, curve);
+		return br_ec_c25519_m64.mulgen(R, x, xlen, curve);
 #else
 		return br_ec_c25519_m31.mulgen(R, x, xlen, curve);
 #endif
@@ -118,11 +138,16 @@ api_muladd(unsigned char *A, const unsigned char *B, size_t len,
 {
 	switch (curve) {
 	case BR_EC_secp256r1:
+#if BR_INT128 || BR_UMUL128
+		return br_ec_p256_m64.muladd(A, B, len,
+			x, xlen, y, ylen, curve);
+#else
 		return br_ec_p256_m31.muladd(A, B, len,
 			x, xlen, y, ylen, curve);
+#endif
 	case BR_EC_curve25519:
 #if BR_INT128 || BR_UMUL128
-		return br_ec_c25519_m62.muladd(A, B, len,
+		return br_ec_c25519_m64.muladd(A, B, len,
 			x, xlen, y, ylen, curve);
 #else
 		return br_ec_c25519_m31.muladd(A, B, len,
diff --git a/tools/names.c b/tools/names.c
index 8d6a67e..3751d93 100644
--- a/tools/names.c
+++ b/tools/names.c
@@ -519,6 +519,12 @@ static const struct {
 		(const void *(*)(void))&br_rsa_i62_pkcs1_vrfy_get },
 	{ "ec_c25519_m62",        "m62",
 		(const void *(*)(void))&br_ec_c25519_m62_get },
+	{ "ec_c25519_m64",        "m64",
+		(const void *(*)(void))&br_ec_c25519_m64_get },
+	{ "ec_p256_m62",          "m62",
+		(const void *(*)(void))&br_ec_p256_m62_get },
+	{ "ec_p256_m64",          "m64",
+		(const void *(*)(void))&br_ec_p256_m64_get },
 	{ 0, 0, 0, }
 };