On 24.10.2016 22:17, Eric Biggers wrote:
> SHA256 and ENCRYPTED_KEYS are not needed. CTR shouldn't be needed
> either, but I left it for now because it was intentionally added by
> commit 71dea01ea2ed ("ext4 crypto: require CONFIG_CRYPTO_CTR if ext4
> encryption is enabled"). So it sounds like there may be a dependency
> problem elsewhere, which I have not been able to identify specifically,
> that must be solved before CTR can be removed.
>
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
Reviewed-by: Richard Weinberger <richard@xxxxxx>
FWIW, Strictly speaking we could also get rid of the dependency on BLOCK.
Only very few functions in fs/crypto/crypto.c use block specific functions,
these could be placed in a different file.
The use case would be very small systems with UBIFS and encrypted files.
i.e. kexec() style bootloaders.
Thanks,
//richard
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