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SubjectRe: Idea behind EXT4_IOC_GET_ENCRYPTION_PWSALT?
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Joe,

On 30.11.2016 01:44, Joe Richey wrote:
> Richard,
>
> Our current design for fscrypt (tentative name for the userspace
> filesystem encryption manager) does not use the global filesystem salt
> (EXT4_IOC_GET_ENCRYPTION_PWSALT), we are planning on having a
> different salt for each password used in the system. We are using
> planning on using Argon2id as the password stretching algorithm, so
> we'll have costs for memory, time, and parallelism stored for each
> password as well as a salt.


Makes sense.
So, for now I'll not implement this ioctl command in UBIFS.

Thanks,
//richard

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