[PATCH] bcrypt: Set pubkey_len and reallocate memory for pubkey.

[Hans Leidekker]

On Wed, 2022-03-16 at 22:24 -0300, Santino Mazza wrote:
> This is needed because BCryptFinalizeKey doesn't change the
> pubkey_len member based on the keylen member. Also it doesn't
> reallocate the pubkey buffer. If we don't do this programs get
> an error when trying to generate a key by setting the length
> using BCryptSetProperty.

The deeper problem is that we're allocating the pubkey buffer too early.
Avoiding that will take some restructuring. I'll take a look.