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authorArd Biesheuvel <ardb@kernel.org>2021-01-05 17:47:57 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2021-01-14 07:10:28 +0100
commit7a6623cc6867b5f24f750a7c16b996b0cbbc63b5 (patch)
tree8a3f7c55db2375d79424b389d088fc0b553b040b /crypto/Kconfig
parentcrypto: x86/cast5 - drop CTR mode implementation (diff)
downloadlinux-7a6623cc6867b5f24f750a7c16b996b0cbbc63b5.tar.xz
linux-7a6623cc6867b5f24f750a7c16b996b0cbbc63b5.zip
crypto: x86/cast6 - drop CTR mode implementation
CAST6 in CTR mode is never used by the kernel directly, and is highly unlikely to be relied upon by dm-crypt or algif_skcipher. So let's drop the accelerated CTR mode implementation, and instead, rely on the CTR template and the bare cipher. Acked-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/Kconfig')
-rw-r--r--crypto/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index fed73fff5a65..3f51c5dfc2a9 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1397,6 +1397,7 @@ config CRYPTO_CAST6_AVX_X86_64
select CRYPTO_GLUE_HELPER_X86
select CRYPTO_SIMD
imply CRYPTO_XTS
+ imply CRYPTO_CTR
help
The CAST6 encryption algorithm (synonymous with CAST-256) is
described in RFC2612.