diff options
| author | Ard Biesheuvel <ardb@kernel.org> | 2021-01-05 17:47:55 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-01-14 17:10:28 +1100 |
| commit | 2e9440ae6eab492572463d8cb266381264867723 (patch) | |
| tree | e0a8a0bf7105811ec7a189aeef2e6d6fdd67aacb /crypto | |
| parent | a1f91ecf812ac333ee2897f3eb2d8f4f6b4ce942 (diff) | |
crypto: x86/serpent - drop CTR mode implementation
Serpent 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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index ea788cab8c7d..dd48c3bab3f5 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1539,6 +1539,7 @@ config CRYPTO_SERPENT_SSE2_X86_64 select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT select CRYPTO_SIMD + imply CRYPTO_CTR help Serpent cipher algorithm, by Anderson, Biham & Knudsen. @@ -1558,6 +1559,7 @@ config CRYPTO_SERPENT_SSE2_586 select CRYPTO_GLUE_HELPER_X86 select CRYPTO_SERPENT select CRYPTO_SIMD + imply CRYPTO_CTR help Serpent cipher algorithm, by Anderson, Biham & Knudsen. @@ -1578,6 +1580,7 @@ config CRYPTO_SERPENT_AVX_X86_64 select CRYPTO_SERPENT select CRYPTO_SIMD imply CRYPTO_XTS + imply CRYPTO_CTR help Serpent cipher algorithm, by Anderson, Biham & Knudsen. |