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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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