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	<id>https://en.bharatpedia.org/w/index.php?action=history&amp;feed=atom&amp;title=Souradyuti_Paul</id>
	<title>Souradyuti Paul - Revision history</title>
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	<updated>2026-08-28T07:39:36Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.bharatpedia.org/w/index.php?title=Souradyuti_Paul&amp;diff=246986&amp;oldid=prev</id>
		<title>-&gt;BattyBot: /* External links */Removed Category:Year of birth missing (living people) and General fixes</title>
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		<updated>2021-10-01T01:15:28Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;External links: &lt;/span&gt;Removed &lt;a href=&quot;/wiki/Category:Year_of_birth_missing_(living_people)&quot; title=&quot;Category:Year of birth missing (living people)&quot;&gt;Category:Year of birth missing (living people)&lt;/a&gt; and &lt;a href=&quot;https://en.bharatpedia.org/wiki/BP:AWB/GF&quot; class=&quot;extiw&quot; title=&quot;wp:AWB/GF&quot;&gt;General fixes&lt;/a&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 06:45, 1 October 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l16&quot;&gt;Line 16:&lt;/td&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| website = http://homes.esat.kuleuven.be/~psourady/&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| website = http://homes.esat.kuleuven.be/~psourady/&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Souradyuti Paul&#039;&#039;&#039; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(born 1976) &lt;/ins&gt;is an [[India]]n [[cryptologist]]. Formerly a member of [[COSIC]], he is currently working as an associate professor at [[Indian Institute of Technology Bhilai]]&amp;lt;ref&amp;gt;{{Cite web|url=https://www.iitgn.ac.in/faculty/comp/souradyuti.htm|title=Souradyuti Paul {{!}} IIT Gandhinagar|website=www.iitgn.ac.in|access-date=2018-12-12}}&amp;lt;/ref&amp;gt; and a Guest Researcher for the [[National Institute of Standards and Technology]] in the United States. He participated in cryptanalysis of [[RC4]], [[Phelix#Helix|Helix]] and [[Py (cipher)|Py family of ciphers]] among others. He has co-designed the following ciphers&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;Souradyuti Paul&#039;&#039;&#039; is an [[India]]n [[cryptologist]] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;(b. 1976)&lt;/del&gt;. Formerly a member of [[COSIC]], he is currently working as an associate professor at [[Indian Institute of Technology Bhilai]]&amp;lt;ref&amp;gt;{{Cite web|url=https://www.iitgn.ac.in/faculty/comp/souradyuti.htm|title=Souradyuti Paul {{!}} IIT Gandhinagar|website=www.iitgn.ac.in|access-date=2018-12-12}}&amp;lt;/ref&amp;gt; and a Guest Researcher for the [[National Institute of Standards and Technology]] in the United States. He participated in cryptanalysis of [[RC4]], [[Phelix#Helix|Helix]] and [[Py (cipher)|Py family of ciphers]] among others. He has co-designed the following ciphers&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* RC4A&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* RC4A&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Indian computer scientists]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Indian computer scientists]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Indian cryptographers]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Indian cryptographers]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Year of birth missing (living people)&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1976 births&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{crypto-bio-stub}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{crypto-bio-stub}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>-&gt;BattyBot</name></author>
	</entry>
	<entry>
		<id>https://en.bharatpedia.org/w/index.php?title=Souradyuti_Paul&amp;diff=172371&amp;oldid=prev</id>
		<title>2409:4063:2013:55D5:F5DD:F96C:4332:793E at 14:46, 9 April 2020</title>
		<link rel="alternate" type="text/html" href="https://en.bharatpedia.org/w/index.php?title=Souradyuti_Paul&amp;diff=172371&amp;oldid=prev"/>
		<updated>2020-04-09T14:46:14Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{short description|Indian ccryptogrpaher}}&lt;br /&gt;
{{Infobox scientist&lt;br /&gt;
| image = &amp;lt;!-- Only freely-licensed images may be used to depict living people.  See [[WP:NONFREE]].  --&amp;gt;&lt;br /&gt;
| image_size = 150px&lt;br /&gt;
| name = Souradyuti Paul&lt;br /&gt;
| caption = &lt;br /&gt;
| birth_date = &lt;br /&gt;
| residence = {{flagicon|India}} [[Sejbahar]], [[Raipur]]&lt;br /&gt;
| nationality = {{flagicon|India}}[[India]]n&lt;br /&gt;
| work_institution = [[Indian Institute of Technology Bhilai]]&amp;lt;br/&amp;gt;[[University of Waterloo]]&amp;lt;br/&amp;gt;[[National Institute of Standards and Technology|NIST]]&amp;lt;br/&amp;gt;[[Katholieke Universiteit Leuven]]&lt;br /&gt;
| alma_mater = [[Katholieke Universiteit Leuven]]&amp;lt;br/&amp;gt;[[Indian Statistical Institute]]&amp;lt;br/&amp;gt;[[Jadavpur University]]&lt;br /&gt;
| field = [[Cryptography]]&lt;br /&gt;
| known_for = [[Cryptographic hash functions|Hash Functions]]&amp;lt;br/&amp;gt;[[Cryptanalysis]]&amp;lt;br /&amp;gt;[[Merkle–Damgård construction#Fast wide pipe construction|Fast Wide-pipe Hash Mode]]&amp;lt;br/&amp;gt;[[Stream ciphers|Stream Ciphers]]&lt;br /&gt;
| doctoral_advisor = [[Bart Preneel]]&lt;br /&gt;
| doctoral_students = &lt;br /&gt;
| website = http://homes.esat.kuleuven.be/~psourady/&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Souradyuti Paul&amp;#039;&amp;#039;&amp;#039; is an [[India]]n [[cryptologist]] (b. 1976). Formerly a member of [[COSIC]], he is currently working as an associate professor at [[Indian Institute of Technology Bhilai]]&amp;lt;ref&amp;gt;{{Cite web|url=https://www.iitgn.ac.in/faculty/comp/souradyuti.htm|title=Souradyuti Paul {{!}} IIT Gandhinagar|website=www.iitgn.ac.in|access-date=2018-12-12}}&amp;lt;/ref&amp;gt; and a Guest Researcher for the [[National Institute of Standards and Technology]] in the United States. He participated in cryptanalysis of [[RC4]], [[Phelix#Helix|Helix]] and [[Py (cipher)|Py family of ciphers]] among others. He has co-designed the following ciphers&lt;br /&gt;
&lt;br /&gt;
* RC4A&lt;br /&gt;
* [[Py (cipher)|RCR-32]], RCR-64.&lt;br /&gt;
&lt;br /&gt;
He also contributed to the design of a hash function iteration mode of operation [[Merkle–Damgård construction#Fast wide pipe construction|Fast-widepipe]].&amp;lt;ref name=&amp;quot;NP10&amp;quot;&amp;gt;Mridul Nandi and Souradyuti Paul. Speeding Up the Widepipe: Secure and Fast Hashing. In Guang Gong and Kishan Gupta, editor, Indocrypt 2010, Springer, 2010.&amp;lt;/ref&amp;gt; While working at NIST Dr. Paul has worked towards the development of US government secure hash standard SHA-3 being selected through a public competition.&amp;lt;ref&amp;gt;https://www.nist.gov/itl/csd/ct/hash_competition.cfm&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
{{Reflist}}&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
* [https://web.archive.org/web/20070409033945/http://homes.esat.kuleuven.be/~psourady/ Souradyuti Paul&amp;#039;s homepage at the Catholic University of Leuven]&lt;br /&gt;
* [http://souradyuti.wordpress.com Souradyuti Paul&amp;#039;s weblog addressing computer security related issues]&lt;br /&gt;
* [https://web.archive.org/web/20071007161750/http://www.cryptolounge.org/wiki/Souradyuti_Paul Souradyuti Paul&amp;#039;s Crypto Lounge Entry]&lt;br /&gt;
&lt;br /&gt;
{{authority control}}&lt;br /&gt;
&lt;br /&gt;
{{DEFAULTSORT:Paul, Souradyuti}}&lt;br /&gt;
[[Category:Living people]]&lt;br /&gt;
[[Category:Modern cryptographers]]&lt;br /&gt;
[[Category:Indian computer scientists]]&lt;br /&gt;
[[Category:Indian cryptographers]]&lt;br /&gt;
[[Category:Year of birth missing (living people)]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{{crypto-bio-stub}}&lt;/div&gt;</summary>
		<author><name>2409:4063:2013:55D5:F5DD:F96C:4332:793E</name></author>
	</entry>
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