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-rw-r--r--lib/crypto/Kconfig25
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig
index 7ad98b624e55..b1d830dc1c9e 100644
--- a/lib/crypto/Kconfig
+++ b/lib/crypto/Kconfig
@@ -59,6 +59,31 @@ config CRYPTO_LIB_CHACHA
by either the generic implementation or an arch-specific one, if one
is available and enabled.
+config CRYPTO_ARCH_HAVE_LIB_CURVE25519
+ tristate
+ help
+ Declares whether the architecture provides an arch-specific
+ accelerated implementation of the Curve25519 library interface,
+ either builtin or as a module.
+
+config CRYPTO_LIB_CURVE25519_GENERIC
+ tristate
+ help
+ This symbol can be depended upon by arch implementations of the
+ Curve25519 library interface that require the generic code as a
+ fallback, e.g., for SIMD implementations. If no arch specific
+ implementation is enabled, this implementation serves the users
+ of CRYPTO_LIB_CURVE25519.
+
+config CRYPTO_LIB_CURVE25519
+ tristate "Curve25519 scalar multiplication library"
+ depends on CRYPTO_ARCH_HAVE_LIB_CURVE25519 || !CRYPTO_ARCH_HAVE_LIB_CURVE25519
+ select CRYPTO_LIB_CURVE25519_GENERIC if CRYPTO_ARCH_HAVE_LIB_CURVE25519=n
+ help
+ Enable the Curve25519 library interface. This interface may be
+ fulfilled by either the generic implementation or an arch-specific
+ one, if one is available and enabled.
+
config CRYPTO_LIB_DES
tristate