From 9a7dafbba47384c330779c75a1546684efaa8c1a Mon Sep 17 00:00:00 2001
From: Tan Swee Heng <thesweeheng@gmail.com>
Date: Tue, 18 Dec 2007 00:04:40 +0800
Subject: [CRYPTO] salsa20: Add x86-64 assembly version

This is the x86-64 version of the Salsa20 stream cipher algorithm. The
original assembly code came from
<http://cr.yp.to/snuffle/salsa20/amd64-3/salsa20.s>. It has been
reformatted for clarity.

Signed-off-by: Tan Swee Heng <thesweeheng@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/Kconfig | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'crypto/Kconfig')

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 221356b4150..b0481f7b002 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -504,6 +504,21 @@ config CRYPTO_SALSA20_586
 	  The Salsa20 stream cipher algorithm is designed by Daniel J.
 	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
 
+config CRYPTO_SALSA20_X86_64
+	tristate "Salsa20 stream cipher algorithm (x86_64) (EXPERIMENTAL)"
+	depends on (X86 || UML_X86) && 64BIT
+	depends on EXPERIMENTAL
+	select CRYPTO_BLKCIPHER
+	select CRYPTO_SALSA20
+	help
+	  Salsa20 stream cipher algorithm.
+
+	  Salsa20 is a stream cipher submitted to eSTREAM, the ECRYPT
+	  Stream Cipher Project. See <http://www.ecrypt.eu.org/stream/>
+
+	  The Salsa20 stream cipher algorithm is designed by Daniel J.
+	  Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
+
 config CRYPTO_DEFLATE
 	tristate "Deflate compression algorithm"
 	select CRYPTO_ALGAPI
-- 
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