From 5df353beff71ba1f1e84cd691ef3edf892aa5311 Mon Sep 17 00:00:00 2001
From: deraadt <>
Date: Mon, 2 Jun 2014 15:08:38 +0000
Subject: A few months back there was a big community fuss regarding direct-use
 of the intel RDRAND instruction.  Consensus was RDRAND should probably only
 be used as an additional source of entropy in a mixer.

Guess which library bends over backwards to provide easy access to
RDRAND?  Yep.  Guess which applications are using this support?  Not
even one... but still, this is being placed as a trap for someone.

Send this support straight to the abyss.
ok kettenis
---
 src/lib/libcrypto/x86cpuid.pl | 12 ------------
 1 file changed, 12 deletions(-)

(limited to 'src/lib/libcrypto/x86cpuid.pl')

diff --git a/src/lib/libcrypto/x86cpuid.pl b/src/lib/libcrypto/x86cpuid.pl
index 169036d53d..47df147a83 100644
--- a/src/lib/libcrypto/x86cpuid.pl
+++ b/src/lib/libcrypto/x86cpuid.pl
@@ -257,18 +257,6 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 	&ret	();
 &function_end_B("OPENSSL_atomic_add");
 
-&function_begin_B("OPENSSL_ia32_rdrand");
-	&mov	("ecx",8);
-&set_label("loop");
-	&rdrand	("eax");
-	&jc	(&label("break"));
-	&loop	(&label("loop"));
-&set_label("break");
-	&cmp	("eax",0);
-	&cmove	("eax","ecx");
-	&ret	();
-&function_end_B("OPENSSL_ia32_rdrand");
-
 &initseg("OPENSSL_cpuid_setup");
 
 &asm_finish();
-- 
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