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[v4,1/3] crypto: move gf128mul library into lib/crypto

Message ID 20221024063052.109148-2-ardb@kernel.org
State New
Headers show
Series crypto: Add AES-GCM implementation to lib/crypto | expand

Commit Message

Ard Biesheuvel Oct. 24, 2022, 6:30 a.m. UTC 
The gf128mul library does not depend on the crypto API at all, so it can
be moved into lib/crypto. This will allow us to use it in other library
code in a subsequent patch without having to depend on CONFIG_CRYPTO.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 crypto/Kconfig                    | 3 ---
 crypto/Makefile                   | 1 -
 lib/crypto/Kconfig                | 3 +++
 lib/crypto/Makefile               | 2 ++
 {crypto => lib/crypto}/gf128mul.c | 0
 5 files changed, 5 insertions(+), 4 deletions(-)
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Patch

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 2589ad5357df..a466beb64a69 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -175,9 +175,6 @@  config CRYPTO_MANAGER_EXTRA_TESTS
 	  This is intended for developer use only, as these tests take much
 	  longer to run than the normal self tests.
 
-config CRYPTO_GF128MUL
-	tristate
-
 config CRYPTO_NULL
 	tristate "Null algorithms"
 	select CRYPTO_NULL2
diff --git a/crypto/Makefile b/crypto/Makefile
index 303b21c43df0..d0126c915834 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -85,7 +85,6 @@  obj-$(CONFIG_CRYPTO_WP512) += wp512.o
 CFLAGS_wp512.o := $(call cc-option,-fno-schedule-insns)  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149
 obj-$(CONFIG_CRYPTO_BLAKE2B) += blake2b_generic.o
 CFLAGS_blake2b_generic.o := -Wframe-larger-than=4096 #  https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105930
-obj-$(CONFIG_CRYPTO_GF128MUL) += gf128mul.o
 obj-$(CONFIG_CRYPTO_ECB) += ecb.o
 obj-$(CONFIG_CRYPTO_CBC) += cbc.o
 obj-$(CONFIG_CRYPTO_CFB) += cfb.o
diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig
index 7e9683e9f5c6..2a4b57779fd7 100644
--- a/lib/crypto/Kconfig
+++ b/lib/crypto/Kconfig
@@ -8,6 +8,9 @@  config CRYPTO_LIB_UTILS
 config CRYPTO_LIB_AES
 	tristate
 
+config CRYPTO_GF128MUL
+	tristate
+
 config CRYPTO_LIB_ARC4
 	tristate
 
diff --git a/lib/crypto/Makefile b/lib/crypto/Makefile
index c852f067ab06..60bb566eed78 100644
--- a/lib/crypto/Makefile
+++ b/lib/crypto/Makefile
@@ -10,6 +10,8 @@  obj-$(CONFIG_CRYPTO_LIB_CHACHA_GENERIC)		+= libchacha.o
 obj-$(CONFIG_CRYPTO_LIB_AES)			+= libaes.o
 libaes-y					:= aes.o
 
+obj-$(CONFIG_CRYPTO_GF128MUL)			+= gf128mul.o
+
 obj-$(CONFIG_CRYPTO_LIB_ARC4)			+= libarc4.o
 libarc4-y					:= arc4.o
 
diff --git a/crypto/gf128mul.c b/lib/crypto/gf128mul.c
similarity index 100%
rename from crypto/gf128mul.c
rename to lib/crypto/gf128mul.c