From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Sun, 2 Feb 2014 15:38:47 +0000 (+0000)
Subject: Fix issue with random numbers generator in dns.
X-Git-Tag: 0.6.8~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a38b7dc74cd77785440b4d2bcf2f7c7f199f3d72;p=thirdparty%2Frspamd.git

Fix issue with random numbers generator in dns.
---

diff --git a/src/dns.c b/src/dns.c
index f8f4448931..70c22977dd 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -75,11 +75,11 @@ static void
 dns_permutor_init (struct dns_permutor *p)
 {
 	/* Init random key and IV */
-	rspamd_random_bytes (p->perm_buf, sizeof (p->perm_buf));
+	rspamd_random_bytes (p->perm_buf, PERMUTOR_KSIZE + PERMUTOR_IVSIZE);
 
 	/* Setup ctx */
 	chacha_keysetup (&p->ctx, p->perm_buf, PERMUTOR_KSIZE * 8, 0);
-	chacha_ivsetup (&p->ctx, p->perm_buf + PERMUTOR_KSIZE);
+	chacha_ivsetup (&p->ctx, p->perm_buf + PERMUTOR_KSIZE * 8);
 
 	chacha_encrypt_bytes (&p->ctx, p->perm_buf, p->perm_buf, sizeof (p->perm_buf));