The arc4 library was extracted from the crypto system in commit
dc51f25752bf ("crypto: arc4 - refactor arc4 core code into separate
library") in kernel 4.20. This is now used by mac80211 and lib80211 for
WEP crypto.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/compat/Kconfig | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/backport/compat/Kconfig b/backport/compat/Kconfig
index 1d85a5da..e462776e 100644
--- a/backport/compat/Kconfig
+++ b/backport/compat/Kconfig
@@ -168,3 +168,13 @@ config BPAUTO_ASN1_DECODER
config BPAUTO_PKCS7
bool
#h-file crypto/pkcs7.h
+
+config BPAUTO_CRYPTO_LIB_ARC4
+ bool
+
+config BPAUTO_BUILD_CRYPTO_LIB_ARC4
+ bool
+ default y if BPAUTO_CRYPTO_LIB_ARC4
+ depends on KERNEL_4_20 || !CRYPTO_LIB_ARC4
+ #h-file crypto/arc4.h
+ #c-file lib/crypto/arc4.c
--
2.20.1
--
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