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author | Ard Biesheuvel <ardb@kernel.org> | 2021-01-05 17:47:58 +0100 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-01-14 17:10:28 +1100 |
commit | f43dcaf2c97eae986378f12c46b27fe21f8a885b (patch) | |
tree | 2e0978c7734ce134c9164435efc9b9179adbf354 /crypto | |
parent | 7a6623cc6867b5f24f750a7c16b996b0cbbc63b5 (diff) | |
download | lwn-f43dcaf2c97eae986378f12c46b27fe21f8a885b.tar.gz lwn-f43dcaf2c97eae986378f12c46b27fe21f8a885b.zip |
crypto: x86/twofish - drop CTR mode implementation
Twofish 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')
-rw-r--r-- | crypto/Kconfig | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 3f51c5dfc2a9..606f94079f05 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1680,6 +1680,7 @@ config CRYPTO_TWOFISH_586 depends on (X86 || UML_X86) && !64BIT select CRYPTO_ALGAPI select CRYPTO_TWOFISH_COMMON + imply CRYPTO_CTR help Twofish cipher algorithm. @@ -1696,6 +1697,7 @@ config CRYPTO_TWOFISH_X86_64 depends on (X86 || UML_X86) && 64BIT select CRYPTO_ALGAPI select CRYPTO_TWOFISH_COMMON + imply CRYPTO_CTR help Twofish cipher algorithm (x86_64). |