From: Jeroen Leenarts <jeroen.leenarts@gmail.com>
Date: Wed, 26 Sep 2018 09:22:15 +0000 (+0200)
Subject: Crypto: Curve25519: Add explicit cast to supress conversion warning.
X-Git-Tag: 0.0.20181104-1~196
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5bfb6a2c139db06366acfdc5cabe07f13f276249;p=thirdparty%2Fwireguard-apple.git

Crypto: Curve25519: Add explicit cast to supress conversion warning.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---

diff --git a/WireGuard/WireGuard/Crypto/x25519.c b/WireGuard/WireGuard/Crypto/x25519.c
index b198ae0..bc94933 100644
--- a/WireGuard/WireGuard/Crypto/x25519.c
+++ b/WireGuard/WireGuard/Crypto/x25519.c
@@ -134,8 +134,8 @@ static void curve25519_shared_secret(uint8_t shared_secret[32], const uint8_t pr
 
     for (i = 254; i >= 0; --i) {
         r = (z[i >> 3] >> (i & 7)) & 1;
-        cswap(a, b, r);
-        cswap(c, d, r);
+        cswap(a, b, (int)r);
+        cswap(c, d, (int)r);
         add(e, a, c);
         subtract(a, a, c);
         add(c, b, d);
@@ -154,8 +154,8 @@ static void curve25519_shared_secret(uint8_t shared_secret[32], const uint8_t pr
         multmod(a, d, f);
         multmod(d, b, x);
         multmod(b, e, e);
-        cswap(a, b, r);
-        cswap(c, d, r);
+        cswap(a, b, (int)r);
+        cswap(c, d, (int)r);
     }
     invert(c, c);
     multmod(a, a, c);