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-{{{
-#!htmlcomment
-
-This page is maintained automatically by a script. Don't modify this page by hand,
-your changes will just be overwritten the next time the script runs. Talk to your
-Friendly Neighborhood Repository Maintainer if you need to change something here.
-
-}}}
-
-{{{
-#!html
-<h1>chacha</h1>
-
-<p>Verilog 2001 implementation of the ChaCha stream cipher.</p>
-
-<h2>Functionality</h2>
-
-<p>This core implements ChaCha with support for 128 and 256 bit keys. The
-number of rounds can be set from two to 32 rounds in steps of two. The
-default number of rounds is eight.</p>
-
-<p>The core contains an internal 64-bit block counter that is automatically
-updated for each data block.</p>
-
-<h2>Performance</h2>
-
-<p>Each quarterround takes one cycle which means that the mininum latency
-will be 4*rounds. When the core is functionally correct we will add two
-more version with 2 and 4 parallel quarterrounds respectively. The four
-quarterounds version will achieve 1 cycle/round.</p>
-
-<h2>Implementation</h2>
-
-<p>Implementation results using the Altera Quartus 13 design tool.</p>
-
-<h3>Cyclone IV GX</h3>
-
-<ul>
-<li>6233 LEs</li>
-<li>3677 registers</li>
-<li>56.1 MHz</li>
-<li>11 cycles latency</li>
-<li>2.6 Gbps performance.</li>
-</ul>
-
-<h3>Cyclone V GX</h3>
-
-<ul>
-<li>2631 ALMs for logic</li>
-<li>3677 registers</li>
-<li>54.3 MHz</li>
-<li>11 cycles latency</li>
-<li>2.5 Gbps performance.</li>
-</ul>
-
-<h2>Status</h2>
-
-<p>(2014-09-03)
-- Added a new port in the core to allow setting of the initial value of
-the counter. The top level wrapper currently sets this value to a
-constant zero.</p>
-
-<ul>
-<li>Added the ChaCha core to Cryptech.</li>
-</ul>
-}}}
-
-[[RepositoryIndex(format=table,glob=core/cipher/chacha)]]
-
-|| Clone `https://git.cryptech.is/core/cipher/chacha.git` ||