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-rw-r--r--crypto/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index af011a96e97d..bf657becbb71 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1156,6 +1156,19 @@ config CRYPTO_SALSA20_X86_64
The Salsa20 stream cipher algorithm is designed by Daniel J.
Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
+config CRYPTO_CHACHA20
+ tristate "ChaCha20 cipher algorithm"
+ select CRYPTO_BLKCIPHER
+ 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 portable C implementation of ChaCha20.
+
+ See also:
+ <http://cr.yp.to/chacha/chacha-20080128.pdf>
+
config CRYPTO_SEED
tristate "SEED cipher algorithm"
select CRYPTO_ALGAPI