[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>
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 221356b..b0481f7 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -504,6 +504,21 @@
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
