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-rw-r--r--lib/crypto/Kconfig169
1 files changed, 69 insertions, 100 deletions
diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig
index 1e6b008f8fca..eea17e36a22b 100644
--- a/lib/crypto/Kconfig
+++ b/lib/crypto/Kconfig
@@ -28,109 +28,102 @@ config CRYPTO_LIB_ARC4
config CRYPTO_LIB_GF128MUL
tristate
-config CRYPTO_ARCH_HAVE_LIB_BLAKE2S
- bool
- 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
- def_bool !CRYPTO_ARCH_HAVE_LIB_BLAKE2S
- 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.
+# BLAKE2s support is always built-in, so there's no CRYPTO_LIB_BLAKE2S option.
-config CRYPTO_ARCH_HAVE_LIB_CHACHA
+config CRYPTO_LIB_BLAKE2S_ARCH
bool
- help
- Declares whether the architecture provides an arch-specific
- accelerated implementation of the ChaCha library interface,
- either builtin or as a module.
+ depends on !UML
+ default y if ARM
+ default y if X86_64
-config CRYPTO_LIB_CHACHA_GENERIC
+config CRYPTO_LIB_CHACHA
tristate
- default CRYPTO_LIB_CHACHA if !CRYPTO_ARCH_HAVE_LIB_CHACHA
select CRYPTO_LIB_UTILS
help
- This symbol can be selected by arch implementations of the ChaCha
- 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_CHACHA.
+ Enable the ChaCha library interface. Select this if your module uses
+ chacha_crypt() or hchacha_block().
-config CRYPTO_LIB_CHACHA
+config CRYPTO_LIB_CHACHA_ARCH
+ bool
+ depends on CRYPTO_LIB_CHACHA && !UML && !KMSAN
+ default y if ARM
+ default y if ARM64 && KERNEL_MODE_NEON
+ default y if MIPS && CPU_MIPS32_R2
+ default y if PPC64 && CPU_LITTLE_ENDIAN && VSX
+ default y if RISCV && 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
+ default y if S390
+ default y if X86_64
+
+config CRYPTO_LIB_CURVE25519
tristate
+ select CRYPTO_LIB_UTILS
help
- Enable the ChaCha library interface. This interface may be fulfilled
- by either the generic implementation or an arch-specific one, if one
- is available and enabled.
+ The Curve25519 library functions. Select this if your module uses any
+ of the functions from <crypto/curve25519.h>.
-config CRYPTO_ARCH_HAVE_LIB_CURVE25519
+config CRYPTO_LIB_CURVE25519_ARCH
bool
- help
- Declares whether the architecture provides an arch-specific
- accelerated implementation of the Curve25519 library interface,
- either builtin or as a module.
+ depends on CRYPTO_LIB_CURVE25519 && !UML && !KMSAN
+ default y if ARM && KERNEL_MODE_NEON
+ default y if PPC64 && CPU_LITTLE_ENDIAN
+ default y if X86_64
config CRYPTO_LIB_CURVE25519_GENERIC
- tristate
- select CRYPTO_LIB_UTILS
- 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.
+ bool
+ depends on CRYPTO_LIB_CURVE25519
+ default y if !CRYPTO_LIB_CURVE25519_ARCH || ARM || X86_64
-config CRYPTO_LIB_CURVE25519_INTERNAL
+config CRYPTO_LIB_DES
tristate
- select CRYPTO_LIB_CURVE25519_GENERIC if CRYPTO_ARCH_HAVE_LIB_CURVE25519=n
-config CRYPTO_LIB_CURVE25519
+config CRYPTO_LIB_MD5
tristate
- select CRYPTO
- select CRYPTO_LIB_CURVE25519_INTERNAL
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.
+ The MD5 and HMAC-MD5 library functions. Select this if your module
+ uses any of the functions from <crypto/md5.h>.
-config CRYPTO_LIB_DES
+config CRYPTO_LIB_MD5_ARCH
+ bool
+ depends on CRYPTO_LIB_MD5 && !UML
+ default y if MIPS && CPU_CAVIUM_OCTEON
+ default y if PPC
+ default y if SPARC64
+
+config CRYPTO_LIB_POLY1305
tristate
+ help
+ The Poly1305 library functions. Select this if your module uses any
+ of the functions from <crypto/poly1305.h>.
+
+config CRYPTO_LIB_POLY1305_ARCH
+ bool
+ depends on CRYPTO_LIB_POLY1305 && !UML
+ default y if ARM
+ default y if ARM64 && KERNEL_MODE_NEON
+ default y if MIPS
+ # The PPC64 code needs to be fixed to work in softirq context.
+ default y if PPC64 && CPU_LITTLE_ENDIAN && VSX && BROKEN
+ default y if RISCV
+ default y if X86_64
+
+# This symbol controls the inclusion of the Poly1305 generic code. This differs
+# from most of the other algorithms, which handle the generic code
+# "automatically" via __maybe_unused. This is needed so that the Adiantum code,
+# which calls the poly1305_core_*() functions directly, can enable them.
+config CRYPTO_LIB_POLY1305_GENERIC
+ bool
+ depends on CRYPTO_LIB_POLY1305
+ # Enable if there's no arch impl or the arch impl requires the generic
+ # impl as a fallback. (Or if selected explicitly.)
+ default y if !CRYPTO_LIB_POLY1305_ARCH || PPC64
config CRYPTO_LIB_POLY1305_RSIZE
int
- default 2 if MIPS
+ default 2 if MIPS || RISCV
default 11 if X86_64
default 9 if ARM || ARM64
default 1
-config CRYPTO_ARCH_HAVE_LIB_POLY1305
- bool
- help
- Declares whether the architecture provides an arch-specific
- accelerated implementation of the Poly1305 library interface,
- either builtin or as a module.
-
-config CRYPTO_LIB_POLY1305_GENERIC
- tristate
- default CRYPTO_LIB_POLY1305 if !CRYPTO_ARCH_HAVE_LIB_POLY1305
- help
- This symbol can be selected by arch implementations of the Poly1305
- 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_POLY1305.
-
-config CRYPTO_LIB_POLY1305
- tristate
- help
- Enable the Poly1305 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_CHACHA20POLY1305
tristate
select CRYPTO_LIB_CHACHA
@@ -196,28 +189,4 @@ config CRYPTO_LIB_SM3
source "lib/crypto/tests/Kconfig"
-if !KMSAN # avoid false positives from assembly
-if ARM
-source "lib/crypto/arm/Kconfig"
-endif
-if ARM64
-source "lib/crypto/arm64/Kconfig"
-endif
-if MIPS
-source "lib/crypto/mips/Kconfig"
-endif
-if PPC
-source "lib/crypto/powerpc/Kconfig"
-endif
-if RISCV
-source "lib/crypto/riscv/Kconfig"
-endif
-if S390
-source "lib/crypto/s390/Kconfig"
-endif
-if X86
-source "lib/crypto/x86/Kconfig"
-endif
-endif
-
endmenu