[PATCH 2/4] util/crypto: identify and repair "Mixed Up" mangled messages
jrollins at caltech.edu
Wed May 29 19:18:57 PDT 2019
On Tue, May 28 2019, Daniel Kahn Gillmor <dkg at fifthhorseman.net> wrote:
> This patch implements a functional identification and repair process
> for "Mixed Up" MIME messages as described in
> The detection test is not entirely complete, in that it does not
> verify the contents of the latter two message subparts, but this is
> probably safe to skip, because those two parts are unlikely to be
> readable anyway, and the only part we are effectively omitting (the
> first subpart) is guaranteed to be empty anyway, so its removal can be
> reversed if you want to do so. I've left FIXMEs in the code so that
> anyone excited about adding these additional checks can see where to
> put them in.
> I'll use this functionality in the next two patches.
> Signed-off-by: Daniel Kahn Gillmor <dkg at fifthhorseman.net>
> util/crypto.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++
> util/crypto.h | 9 ++++++
> 2 files changed, 89 insertions(+)
I understand that this fix is for multipart/encrypted messages, but I'm
not sure I would call the repair function itself a "crypto function".
Given that I can imagine more repair functions in the future, would it
make sense to break them out into their own library?
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