From: Daniel Borkmann <dborkman@redhat.com>
Date: Tue, 29 Jan 2013 17:15:25 +0000 (+0100)
Subject: curve: use sizeof instead of hard coded value
X-Git-Url: https://repo.or.cz/w/netsniff-ng.git/commitdiff_plain/dee3bca665d8edfe4972beaee2d065961e6e46e0

curve: use sizeof instead of hard coded value

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
---

diff --git a/curve.c b/curve.c
index 5d033c9e..6d04266c 100644
--- a/curve.c
+++ b/curve.c
@@ -33,7 +33,7 @@
 #define crypto_box_afternm		crypto_box_curve25519xsalsa20poly1305_afternm
 #define crypto_box_open_afternm		crypto_box_curve25519xsalsa20poly1305_open_afternm
 
-#define NONCE_LENGTH			16 /* size of taia */
+#define NONCE_LENGTH			(sizeof(struct taia))
 #define NONCE_OFFSET			(crypto_box_curve25519xsalsa20poly1305_NONCEBYTES - NONCE_LENGTH)
 
 void curve25519_selftest(void)
@@ -102,6 +102,8 @@ void curve25519_selftest(void)
 		0xe3, 0x55, 0xa5
 	};
 
+	bug_on(NONCE_LENGTH != 16);
+
 	crypto_box_curve25519xsalsa20poly1305(c, m, 163, nonce, bobpk, alicesk);
 
 	for (i = 16; i < 163; ++i) {