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crypto: x86/cast5 - drop CTR mode implementation

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CAST5 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>
This commit is contained in:
Ard Biesheuvel
2021-01-05 17:47:56 +01:00
committed by Herbert Xu
parent 2e9440ae6e
commit e2d60e2f59
2 changed files with 1 additions and 103 deletions
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crypto/Kconfig
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@@ -1372,6 +1372,7 @@ config CRYPTO_CAST5_AVX_X86_64
select CRYPTO_CAST5
select CRYPTO_CAST_COMMON
select CRYPTO_SIMD
imply CRYPTO_CTR
help
The CAST5 encryption algorithm (synonymous with CAST-128) is
described in RFC2144.