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-rw-r--r--crypto/Kconfig15
1 files changed, 15 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index b4cfc5754033..8f24185ee0a7 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1213,6 +1213,21 @@ config CRYPTO_CHACHA20
See also:
<http://cr.yp.to/chacha/chacha-20080128.pdf>
+config CRYPTO_CHACHA20_X86_64
+ tristate "ChaCha20 cipher algorithm (x86_64/SSSE3)"
+ depends on X86 && 64BIT
+ select CRYPTO_BLKCIPHER
+ select CRYPTO_CHACHA20
+ help
+ ChaCha20 cipher algorithm, RFC7539.
+
+ ChaCha20 is a 256-bit high-speed stream cipher designed by Daniel J.
+ Bernstein and further specified in RFC7539 for use in IETF protocols.
+ This is the x86_64 assembler implementation using SIMD instructions.
+
+ See also:
+ <http://cr.yp.to/chacha/chacha-20080128.pdf>
+
config CRYPTO_SEED
tristate "SEED cipher algorithm"
select CRYPTO_ALGAPI