From: Guus Sliepen <guus@tinc-vpn.org>
Date: Sat, 29 Oct 2016 20:10:32 +0000 (+0200)
Subject: Really fix byte budget calculation.
X-Git-Tag: release-1.0.30~3
X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=commitdiff_plain;h=5c8a2a840a648b65b1396efbb0ddb84151ddc7e3;hp=5c8a2a840a648b65b1396efbb0ddb84151ddc7e3

Really fix byte budget calculation.

We want to use the underlying cipher's block length, but if it's a stream
mode this will be 1. In that case, use the IV length. Ensure we never get
a budget that cannot be stored in a 64 bits integer.

Thanks to Wessel Dankers for helping getting this right.
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