ecc: Remove extraneous parentheses in secp384r1

Substitutions in the felem_reduce() method feature unecessary
parentheses, remove them.

Signed-off-by: Rohan McLure <rohan.mclure@linux.ibm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21749)

diff --git a/crypto/ec/ecp_nistp384.c b/crypto/ec/ecp_nistp384.c
index 14f9530d07c6619b77b5d34532c8a5f7321e755a..ff68f9cc7ad023ec33a2ad7be02099a7ae748d06 100644 (file)
--- a/crypto/ec/ecp_nistp384.c
+++ b/crypto/ec/ecp_nistp384.c
@@ -540,7 +540,7 @@ static void felem_reduce(felem out, const widefelem in)
     acc[7] += in[12] >> 8;
     acc[6] += (in[12] & 0xff) << 48;
     acc[6] -= in[12] >> 16;
-    acc[5] -= ((in[12] & 0xffff) << 40);
+    acc[5] -= (in[12] & 0xffff) << 40;
     acc[6] += in[12] >> 48;
     acc[5] += (in[12] & 0xffffffffffff) << 8;
 
@@ -549,7 +549,7 @@ static void felem_reduce(felem out, const widefelem in)
     acc[6] += in[11] >> 8;
     acc[5] += (in[11] & 0xff) << 48;
     acc[5] -= in[11] >> 16;
-    acc[4] -= ((in[11] & 0xffff) << 40);
+    acc[4] -= (in[11] & 0xffff) << 40;
     acc[5] += in[11] >> 48;
     acc[4] += (in[11] & 0xffffffffffff) << 8;
 
@@ -558,7 +558,7 @@ static void felem_reduce(felem out, const widefelem in)
     acc[5] += in[10] >> 8;
     acc[4] += (in[10] & 0xff) << 48;
     acc[4] -= in[10] >> 16;
-    acc[3] -= ((in[10] & 0xffff) << 40);
+    acc[3] -= (in[10] & 0xffff) << 40;
     acc[4] += in[10] >> 48;
     acc[3] += (in[10] & 0xffffffffffff) << 8;
 
@@ -567,7 +567,7 @@ static void felem_reduce(felem out, const widefelem in)
     acc[4] += in[9] >> 8;
     acc[3] += (in[9] & 0xff) << 48;
     acc[3] -= in[9] >> 16;
-    acc[2] -= ((in[9] & 0xffff) << 40);
+    acc[2] -= (in[9] & 0xffff) << 40;
     acc[3] += in[9] >> 48;
     acc[2] += (in[9] & 0xffffffffffff) << 8;
 
@@ -582,7 +582,7 @@ static void felem_reduce(felem out, const widefelem in)
     acc[3] += acc[8] >> 8;
     acc[2] += (acc[8] & 0xff) << 48;
     acc[2] -= acc[8] >> 16;
-    acc[1] -= ((acc[8] & 0xffff) << 40);
+    acc[1] -= (acc[8] & 0xffff) << 40;
     acc[2] += acc[8] >> 48;
     acc[1] += (acc[8] & 0xffffffffffff) << 8;
 
@@ -591,7 +591,7 @@ static void felem_reduce(felem out, const widefelem in)
     acc[2] += acc[7] >> 8;
     acc[1] += (acc[7] & 0xff) << 48;
     acc[1] -= acc[7] >> 16;
-    acc[0] -= ((acc[7] & 0xffff) << 40);
+    acc[0] -= (acc[7] & 0xffff) << 40;
     acc[1] += acc[7] >> 48;
     acc[0] += (acc[7] & 0xffffffffffff) << 8;