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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 d15ec5382986..7ad98b624e55 100644
--- a/lib/crypto/Kconfig
+++ b/lib/crypto/Kconfig
@@ -8,6 +8,31 @@ config CRYPTO_LIB_AES
config CRYPTO_LIB_ARC4
tristate
+config CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+ tristate
+ help
+ Declares whether the architecture provides an arch-specific
+ accelerated implementation of the Blake2s library interface,
+ either builtin or as a module.
+
+config CRYPTO_LIB_BLAKE2S_GENERIC
+ tristate
+ help
+ This symbol can be depended upon by arch implementations of the
+ Blake2s 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_BLAKE2S.
+
+config CRYPTO_LIB_BLAKE2S
+ tristate "BLAKE2s hash function library"
+ depends on CRYPTO_ARCH_HAVE_LIB_BLAKE2S || !CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+ select CRYPTO_LIB_BLAKE2S_GENERIC if CRYPTO_ARCH_HAVE_LIB_BLAKE2S=n
+ help
+ Enable the Blake2s 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_ARCH_HAVE_LIB_CHACHA
tristate
help