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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=Steganosaurus_%28stego%29</id>
		<title>Steganosaurus (stego) - Revision history</title>
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		<updated>2026-05-05T10:10:18Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Steganosaurus_(stego)&amp;diff=46237&amp;oldid=prev</id>
		<title>Parchivist at 20:33, 5 November 2023</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Steganosaurus_(stego)&amp;diff=46237&amp;oldid=prev"/>
				<updated>2023-11-05T20:33:50Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&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 20:33, 5 November 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&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;}}&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;}}&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;'''Steganosaurus (stego)''' by John Walker is a &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;DOS &lt;/del&gt;program that transforms any binary file into nonsense text based on a dictionary either given explicitly or built on the fly from a source document. The output of stego is nonsense, but statistically resembles text in the language of the dictionary supplied. Although a human reader will instantly recognize it as gibberish, statistical sampling employed by eavesdroppers to detect encrypted messages may consider it to be unremarkable.&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;'''Steganosaurus (stego)''' by John Walker is a &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;UNIX &lt;/ins&gt;program that transforms any binary file into nonsense text based on a dictionary either given explicitly or built on the fly from a source document. The output of stego is nonsense, but statistically resembles text in the language of the dictionary supplied. Although a human reader will instantly recognize it as gibberish, statistical sampling employed by eavesdroppers to detect encrypted messages may consider it to be unremarkable.&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 colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&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;* [http://www.nic.funet.fi/pub/crypt/steganography/stego.shar.gz Download mirror]&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;* [http://www.nic.funet.fi/pub/crypt/steganography/stego.shar.gz Download mirror]&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;* [http://www.nic.funet.fi/pub/crypt/steganography/stego.txt.gz Manual] ([https://web.archive.org/web/19970606030845/http://www.fourmilab.ch/stego/ mirror])&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;* [http://www.nic.funet.fi/pub/crypt/steganography/stego.txt.gz Manual] ([https://web.archive.org/web/19970606030845/http://www.fourmilab.ch/stego/ mirror])&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;* [https://web.archive.org/web/20001012215616/http://www.geocities.com/SiliconValley/9210/stego.zip DOS version] - must create a word list named 'words' in the c:\usr\dict folder&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;div&gt;* [http://cd.textfiles.com/hackersencyc/PROGRAMS/STEGO2.ZIP OS/2 version] ([https://www.os2site.com/sw/dev/emx/emx_v09d/index.html required EMX runtime])&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;* [http://cd.textfiles.com/hackersencyc/PROGRAMS/STEGO2.ZIP OS/2 version] ([https://www.os2site.com/sw/dev/emx/emx_v09d/index.html required EMX runtime])&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Parchivist</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Steganosaurus_(stego)&amp;diff=45819&amp;oldid=prev</id>
		<title>Parchivist at 20:35, 16 October 2023</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Steganosaurus_(stego)&amp;diff=45819&amp;oldid=prev"/>
				<updated>2023-10-16T20:35:42Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&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 20:35, 16 October 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&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;}}&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;}}&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;'''Steganosaurus (stego)''' by John Walker is a DOS &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;text steganography &lt;/del&gt;program&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;.&lt;/del&gt;&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;'''Steganosaurus (stego)''' by John Walker is a DOS program &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;that &lt;/ins&gt;transforms any binary file into nonsense text based on a dictionary either given explicitly or built on the fly from a source document. The output of stego is nonsense, but statistically resembles text in the language of the dictionary supplied. Although a human reader will instantly &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;recognize &lt;/ins&gt;it as gibberish, statistical sampling employed by eavesdroppers to detect encrypted messages may consider it to be unremarkable.&lt;/div&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;&amp;#160;&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;&lt;/div&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;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;It &lt;/del&gt;transforms any binary file into nonsense text based on a dictionary either given explicitly or built on the fly from a source document. The output of stego is nonsense, but statistically resembles text in the language of the dictionary supplied. Although a human reader will instantly &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;recognise &lt;/del&gt;it as gibberish, statistical sampling employed by eavesdroppers to detect encrypted &lt;del class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/del&gt;messages &lt;del class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/del&gt;may consider &lt;del class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/del&gt;it &lt;del class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/del&gt;to be unremarkable.&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;&lt;/div&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;&amp;#160;&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;&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;/table&gt;</summary>
		<author><name>Parchivist</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Steganosaurus_(stego)&amp;diff=45818&amp;oldid=prev</id>
		<title>Parchivist at 20:33, 16 October 2023</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Steganosaurus_(stego)&amp;diff=45818&amp;oldid=prev"/>
				<updated>2023-10-16T20:33:18Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&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 20:33, 16 October 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 17:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 17:&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;* [http://www.nic.funet.fi/pub/crypt/steganography/stego.shar.gz Download mirror]&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;* [http://www.nic.funet.fi/pub/crypt/steganography/stego.shar.gz Download mirror]&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;* [http://www.nic.funet.fi/pub/crypt/steganography/stego.txt.gz Manual] ([https://web.archive.org/web/19970606030845/http://www.fourmilab.ch/stego/ mirror])&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;* [http://www.nic.funet.fi/pub/crypt/steganography/stego.txt.gz Manual] ([https://web.archive.org/web/19970606030845/http://www.fourmilab.ch/stego/ mirror])&lt;/div&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;* [http://cd.textfiles.com/hackersencyc/PROGRAMS/STEGO2.ZIP OS/2 version]&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;* [http://cd.textfiles.com/hackersencyc/PROGRAMS/STEGO2.ZIP OS/2 version] &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;([https://www.os2site.com/sw/dev/emx/emx_v09d/index.html required EMX runtime])&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Parchivist</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=Steganosaurus_(stego)&amp;diff=45817&amp;oldid=prev</id>
		<title>Parchivist: Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Encryption |subcat2=Obfuscation |released=1994 }}  '''Steganosaurus (stego)''' by John Walker is a DOS text steganography program. ...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=Steganosaurus_(stego)&amp;diff=45817&amp;oldid=prev"/>
				<updated>2023-10-16T20:29:15Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=electronic |subcat=Encryption |subcat2=Obfuscation |released=1994 }}  &amp;#039;&amp;#039;&amp;#039;Steganosaurus (stego)&amp;#039;&amp;#039;&amp;#039; by John Walker is a DOS text steganography program. ...&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;
|subcat2=Obfuscation&lt;br /&gt;
|released=1994&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
'''Steganosaurus (stego)''' by John Walker is a DOS text steganography program.&lt;br /&gt;
&lt;br /&gt;
It transforms any binary file into nonsense text based on a dictionary either given explicitly or built on the fly from a source document. The output of stego is nonsense, but statistically resembles text in the language of the dictionary supplied. Although a human reader will instantly recognise it as gibberish, statistical sampling employed by eavesdroppers to detect encrypted  messages  may consider  it  to be unremarkable.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
* [https://www.fourmilab.ch/nav/topics/crypto.html Homepage]&lt;br /&gt;
* [http://www.nic.funet.fi/pub/crypt/steganography/stego.shar.gz Download mirror]&lt;br /&gt;
* [http://www.nic.funet.fi/pub/crypt/steganography/stego.txt.gz Manual] ([https://web.archive.org/web/19970606030845/http://www.fourmilab.ch/stego/ mirror])&lt;br /&gt;
* [http://cd.textfiles.com/hackersencyc/PROGRAMS/STEGO2.ZIP OS/2 version]&lt;/div&gt;</summary>
		<author><name>Parchivist</name></author>	</entry>

	</feed>