diff options
Diffstat (limited to 'lib/crypto/Kconfig')
| -rw-r--r-- | lib/crypto/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig index af2368799579..7fe678047939 100644 --- a/lib/crypto/Kconfig +++ b/lib/crypto/Kconfig @@ -139,6 +139,25 @@ config CRYPTO_LIB_SHA1 config CRYPTO_LIB_SHA256 tristate + help + Enable the SHA-256 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_SHA256 + bool + help + Declares whether the architecture provides an arch-specific + accelerated implementation of the SHA-256 library interface. + +config CRYPTO_LIB_SHA256_GENERIC + tristate + default CRYPTO_LIB_SHA256 if !CRYPTO_ARCH_HAVE_LIB_SHA256 + help + This symbol can be selected by arch implementations of the SHA-256 + 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_SHA256. config CRYPTO_LIB_SM3 tristate |