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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=ICE_%28encryption_algorithm%29</id>
		<title>ICE (encryption algorithm) - Revision history</title>
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		<updated>2026-04-19T09:49:23Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=ICE_(encryption_algorithm)&amp;diff=45013&amp;oldid=prev</id>
		<title>Parchivist at 21:43, 27 August 2023</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=ICE_(encryption_algorithm)&amp;diff=45013&amp;oldid=prev"/>
				<updated>2023-08-27T21:43:36Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
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			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 21:43, 27 August 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''ICE''' ('''Information Concealment Engine''') is a a 64-bit private key block cipher, in the tradition of DES. However, unlike DES, it was designed to be secure against differential and linear cryptanalysis, and has no key complementation weaknesses or weak keys. In addition, its key size can be any multiple of 64 bits, whereas the DES key is limited to 56 bits.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''ICE''' ('''Information Concealment Engine''') is a a 64-bit private key block cipher, in the tradition of DES. However, unlike DES, it was designed to be secure against differential and linear cryptanalysis, and has no key complementation weaknesses or weak keys. In addition, its key size can be any multiple of 64 bits, whereas the DES key is limited to 56 bits.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;It is implemented in [[SNOW/stegsnow]] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and &lt;/del&gt;[[icecrypt]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;It is implemented in [[SNOW/stegsnow]]&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, &lt;/ins&gt;[[icecrypt]]&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, and [[gifshuffle]].&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Links ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* [https://darkside.com.au/ice/index.html ICE homepage]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* [https://darkside.com.au/ice/index.html ICE homepage]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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		<author><name>Parchivist</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=ICE_(encryption_algorithm)&amp;diff=45006&amp;oldid=prev</id>
		<title>Parchivist: Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Encryption }} '''ICE''' ('''Information Concealment Engine''') is a a 64-bit private key block cipher, in the tradition of DES. How...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=ICE_(encryption_algorithm)&amp;diff=45006&amp;oldid=prev"/>
				<updated>2023-08-27T20:55:41Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=electronic |subcat=Encryption }} &amp;#039;&amp;#039;&amp;#039;ICE&amp;#039;&amp;#039;&amp;#039; (&amp;#039;&amp;#039;&amp;#039;Information Concealment Engine&amp;#039;&amp;#039;&amp;#039;) is a a 64-bit private key block cipher, in the tradition of DES. How...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{FormatInfo&lt;br /&gt;
|formattype=electronic&lt;br /&gt;
|subcat=Encryption&lt;br /&gt;
}}&lt;br /&gt;
'''ICE''' ('''Information Concealment Engine''') is a a 64-bit private key block cipher, in the tradition of DES. However, unlike DES, it was designed to be secure against differential and linear cryptanalysis, and has no key complementation weaknesses or weak keys. In addition, its key size can be any multiple of 64 bits, whereas the DES key is limited to 56 bits.&lt;br /&gt;
&lt;br /&gt;
It is implemented in [[SNOW/stegsnow]] and [[icecrypt]]&lt;br /&gt;
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&lt;br /&gt;
== Links ==&lt;br /&gt;
* [https://darkside.com.au/ice/index.html ICE homepage]&lt;/div&gt;</summary>
		<author><name>Parchivist</name></author>	</entry>

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