From: Kurt Roeckx <kurt@roeckx.be>
Date: Wed, 7 Dec 2016 22:05:16 +0000 (+0100)
Subject: Make the predictable numbers start from 1
X-Git-Tag: OpenSSL_1_1_1-pre1~2874
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=e512840d7a691ec372453bcb5f42e00eec180b18;p=oweals%2Fopenssl.git

Make the predictable numbers start from 1

There is code that retries calling RAND_bytes() until it gets something
other than 0, which just hangs if we always return 0.

Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #2041
---

diff --git a/crypto/rand/md_rand.c b/crypto/rand/md_rand.c
index 0cf6e90834..88820bbb91 100644
--- a/crypto/rand/md_rand.c
+++ b/crypto/rand/md_rand.c
@@ -307,7 +307,7 @@ static int rand_bytes(unsigned char *buf, int num, int pseudo)
 
 #ifdef PREDICT
     if (rand_predictable) {
-        unsigned char val = 0;
+        unsigned char val = 1;
 
         for (i = 0; i < num; i++)
             buf[i] = val++;