From 308b0b2760d6cb218003768747346d31764f1cfe Mon Sep 17 00:00:00 2001
From: Alon Bar-Lev <alon.barlev@gmail.com>
Date: Fri, 19 Oct 2018 23:19:48 +0300
Subject: [PATCH] crypto: use ENGINE_load_rdrand with recent openssl

libressl and probably older openssl do not support this.

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
---
 src/lib/crypto/OSSLCryptoFactory.cpp | 2 ++
 1 file changed, 2 insertions(+)

https://github.com/opendnssec/SoftHSMv2/pull/423

diff --git a/src/lib/crypto/OSSLCryptoFactory.cpp b/src/lib/crypto/OSSLCryptoFactory.cpp
index dc5f737..04d383d 100644
--- a/src/lib/crypto/OSSLCryptoFactory.cpp
+++ b/src/lib/crypto/OSSLCryptoFactory.cpp
@@ -141,8 +141,10 @@ OSSLCryptoFactory::OSSLCryptoFactory()
 	// Initialise OpenSSL
 	OpenSSL_add_all_algorithms();
 
+#if !( OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER) )
 	// Make sure RDRAND is loaded first
 	ENGINE_load_rdrand();
+#endif
 	// Locate the engine
 	rdrand_engine = ENGINE_by_id("rdrand");
 	// Use RDRAND if available
-- 
2.18.1

