attachment-0001.htm\34e531f1\20081109\attachments\pycrypto\pipermail - delta/python-packages/pycrypto.git

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&lt;DIV&gt;ARC4&nbsp;is&nbsp;fast.&lt;/DIV&gt;<br>
&lt;DIV&gt;ARC4&nbsp;is&nbsp;easy&nbsp;to&nbsp;implement.&lt;/DIV&gt;<br>
&lt;DIV&gt;ARC4&nbsp;is&nbsp;beautiful&nbsp;(my&nbsp;personal&nbsp;Mona&nbsp;Lisa&nbsp;of&nbsp;cryptography)&lt;/DIV&gt;<br>
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;<br>
&lt;DIV&gt;Some&nbsp;years&nbsp;ago&nbsp;this&nbsp;&quot;arguments&quot;&nbsp;appeared&nbsp;to&nbsp;me&nbsp;as&nbsp;&quot;sufficient&quot;&nbsp;to&nbsp;bank&nbsp;on&nbsp;<br>
it&nbsp;during&nbsp;a&nbsp;development&nbsp;of&nbsp;a&nbsp;secure&nbsp;protocol,&nbsp;which&amp;nbsp;is&nbsp;intending&nbsp;to&nbsp;beat&nbsp;<br>
the&nbsp;SSL&nbsp;performance&nbsp;(in&nbsp;a&nbsp;concluded&nbsp;VPN).&lt;/DIV&gt;<br>
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;<br>
&lt;DIV&gt;As&nbsp;you&nbsp;know&nbsp;some&nbsp;&quot;uncultured&nbsp;and&nbsp;barefaced&quot;&nbsp;cryptoanalysts&nbsp;have&nbsp;painted&nbsp;a&nbsp;<br>
fat&nbsp;nipple&nbsp;directly&nbsp;is&nbsp;the&nbsp;face&nbsp;of&nbsp;my&nbsp;Mona&nbsp;Lisa.&nbsp;It&nbsp;could&nbsp;be&nbsp;adopted&nbsp;that&nbsp;this&nbsp;<br>
people&nbsp;will&nbsp;terminate&nbsp;to&nbsp;do&nbsp;their&nbsp;sacrileges.&nbsp;Futheron&nbsp;this&nbsp;is&nbsp;not&nbsp;<br>
desirable.&lt;/DIV&gt;<br>
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;<br>
&lt;DIV&gt;But&nbsp;what&nbsp;should&nbsp;one&nbsp;do&nbsp;if&nbsp;a&nbsp;development&nbsp;depends&nbsp;on&nbsp;an&nbsp;algorithm.&nbsp;The&nbsp;only&nbsp;<br>
way&nbsp;around&nbsp;this&nbsp;edge&nbsp;is&nbsp;to&nbsp;bank&nbsp;on&nbsp;a&nbsp;library&nbsp;that&amp;nbsp;offers&nbsp;equivalent&nbsp;<br>
compensation.&lt;/DIV&gt;<br>
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;<br>
&lt;DIV&gt;By&nbsp;the&nbsp;way:&nbsp;In&nbsp;my&nbsp;point&nbsp;of&nbsp;view&nbsp;a&nbsp;block&nbsp;cipher&nbsp;that&nbsp;is&nbsp;running&nbsp;in&nbsp;CFB,&nbsp;OFB&nbsp;<br>
or&nbsp;CTR&nbsp;mode&nbsp;could&nbsp;never&nbsp;be&nbsp;an&nbsp;equivalent&nbsp;compensation&nbsp;for&nbsp;a&nbsp;stream&nbsp;cipher&nbsp;(if&nbsp;<br>
you&nbsp;want&nbsp;speed).&nbsp;Dwayne's&nbsp;statement&nbsp;that&nbsp;stream&nbsp;ciphers&nbsp;are&nbsp;still&nbsp;in&nbsp;an&nbsp;<br>
&quot;experimental&quot;&nbsp;state&nbsp;sounds&nbsp;in&nbsp;my&nbsp;(european)&nbsp;ears&nbsp;like&nbsp;a&nbsp;simple&lt;/DIV&gt;<br>
&lt;DIV&gt;misapprehension.&nbsp;For&nbsp;some&nbsp;reasons&nbsp;the&nbsp;Europeans&nbsp;are&nbsp;never&nbsp;leaving&nbsp;the&nbsp;<br>
&quot;experimental&quot;&nbsp;state&nbsp;of&nbsp;exactly&nbsp;nothing.&nbsp;Well,&nbsp;that's&nbsp;a&nbsp;part&nbsp;of&nbsp;our&nbsp;weakness&nbsp;but&nbsp;<br>
even&nbsp;a&nbsp;part&nbsp;of&nbsp;our&nbsp;power.&lt;/DIV&gt;<br>
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;<br>
&lt;DIV&gt;Stefan&lt;/DIV&gt;<br>
&lt;DIV&gt;&amp;nbsp;&lt;/DIV&gt;<br>
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