From adef5dcb1857f524e2a24dd0223f31db7cd7a8b9 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Fri, 15 Jul 2016 04:45:08 -0500
Subject: Add optional openssl accelerated versions of hash functions, loosely
 based on a patch from Elliott Hughes, who said:

[PATCH] Add support for libcrypto for MD5/SHA.

Orders of magnitude faster (for architectures where OpenSSL/BoringSSL
has optimized assembler).

Also adds sha224sum, sha256sum, sha384sum, and sha512sum for folks
building with libcrypto.

The fallback portable C implementations could easily be refactored
to be API-compatible, but I don't know whether they'd stay here or
move to lib/ so I've left that part alone for now.
---
 Config.in | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Config.in')

diff --git a/Config.in b/Config.in
index 3c560f80..76b2ef1d 100644
--- a/Config.in
+++ b/Config.in
@@ -62,6 +62,12 @@ config TOYBOX_SMACK
 
 endchoice
 
+config TOYBOX_LIBCRYPTO
+       bool "Use libcrypto (OpenSSL/BoringSSL)"
+       default n
+       help
+         Use faster hash functions out of exteral -lcrypto library.
+
 config TOYBOX_FLOAT
 	bool "Floating point support"
 	default y
-- 
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