From: Neil Smith Date: Mon, 14 Nov 2016 17:47:43 +0000 (+0000) Subject: 2016 challenge 4 X-Git-Url: https://git.njae.me.uk/?a=commitdiff_plain;h=e138c645bb02427a76798b1ea7f4c5ad579f204f;hp=e138c645bb02427a76798b1ea7f4c5ad579f204f;p=cipher-tools.git 2016 challenge 4 ---