crypto: poly1305 - Add a SSE2 SIMD variant for x86_64

[firefly-linux-kernel-4.4.55.git] / crypto / Kconfig

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 82caab0e82562bfb3f034d9505070e803c43b054..c57478c0be9250accf3723a28be2e1894da8d8de 100644 (file)
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -470,6 +470,18 @@ config CRYPTO_POLY1305
          It is used for the ChaCha20-Poly1305 AEAD, specified in RFC7539 for use
          in IETF protocols. This is the portable C implementation of Poly1305.
 
+config CRYPTO_POLY1305_X86_64
+       tristate "Poly1305 authenticator algorithm (x86_64/SSE2)"
+       depends on X86 && 64BIT
+       select CRYPTO_POLY1305
+       help
+         Poly1305 authenticator algorithm, RFC7539.
+
+         Poly1305 is an authenticator algorithm designed by Daniel J. Bernstein.
+         It is used for the ChaCha20-Poly1305 AEAD, specified in RFC7539 for use
+         in IETF protocols. This is the x86_64 assembler implementation using SIMD
+         instructions.
+
 config CRYPTO_MD4
        tristate "MD4 digest algorithm"
        select CRYPTO_HASH