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<div class="moz-cite-prefix">But still someone can identify the
common pattern at the end of two or more similar files so the pad
can be detected and deleted, thus length is not hidden.<br>
On 07/11/2013 09:01 PM, Tony Arcieri wrote:<br>
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cite="mid:CAHOTMV+buaHzcR_Ep71ejc6ZdK+LEWwSen10ZZkBkG90mC_DSQ@mail.gmail.com"
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<div dir="ltr">On Wed, Jul 10, 2013 at 7:31 AM, Ed Kapitein <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:ed@kapitein.org" target="_blank">ed@kapitein.org</a>></span>
wrote:<br>
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.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im"><span style="color:rgb(34,34,34)">Hi
Zooko,</span><br>
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<br>
Be careful with zero padding, it might leave the data open
for a<br>
watermarking attack.<br>
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<div style="">How about padding with the output of a PRNG
seeded with the content hash? That way it'd still be
deterministic</div>
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-- <br>
Tony Arcieri<br>
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