On 01/18/2011 01:18 PM, Phil Sutter wrote:
> When the user has specified COP_FLAG_WRITE_IV in crypt_op.flags, the
> updated IV will be written back to userspace. This is useful for
> encryption of continuous data in several steps, without having to care
> for each cipher's inerna.
> 
> Protecting this functionality by a flag allows for backwards
> compatibility as well as using a read-only (i.e. const) buffer holding
> the IV.

Applied!

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