From: Nick Mathewson <nickm@torproject.org>
Date: Sun, 12 Jul 2015 20:59:37 +0000 (-0400)
Subject: Tell coverity to tolerate ed25519_verify
X-Git-Tag: tor-0.2.7.2-alpha~39
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=920c63877cece72ba02e54234567a1e76dd14b9b;p=thirdparty%2Ftor.git

Tell coverity to tolerate ed25519_verify
---

diff --git a/src/ext/ed25519/donna/ed25519-donna.h b/src/ext/ed25519/donna/ed25519-donna.h
index de1120f46f..64561d3288 100644
--- a/src/ext/ed25519/donna/ed25519-donna.h
+++ b/src/ext/ed25519/donna/ed25519-donna.h
@@ -68,6 +68,7 @@ ed25519_verify(const unsigned char *x, const unsigned char *y, size_t len) {
 	size_t differentbits = 0;
 	while (len--)
 		differentbits |= (*x++ ^ *y++);
+        /*coverity[overflow]*/
 	return (int) (1 & ((differentbits - 1) >> 8));
 }