Apologies, I misspoke; Pond does do exponential padding for attachments. (And
for people unfamiliar with the Pond codebase, the relevant function is
saveEncryptedy in "pond/client/background".)
(I tend to think 16KiB for messages is a little too small; but this is easily
changeable in a custom Pond deployment.)
I'm less clear on whether the way Pond counts box overhead towards block size
is the right way to handle it (if overhead ever changes).
dlg
—
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On Sun, Jun 8, 2014 at 3:22 PM, Adam Langley <[email protected]>
wrote:
> On Sat, Jun 7, 2014 at 10:12 PM, David Leon Gil <[email protected]> wrote:
>> Q1. Does any publicly available messaging cryptosystem use exponential
>> padding?
> Pond pads to max(p) for some reasonable value of human typed message
> (~15KB). However, attachments don't follow that distribution and are
> padded up to the nearest power of two.
> (You already knew that - just pointing it out for others.)
> Cheers
> AGL
> --
> Adam Langley [email protected] https://www.imperialviolet.org
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