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	<title>linuxgravity.com &#187; cryptography</title>
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		<title>Cryptography and how to use OpenGPG to encrypt data</title>
		<link>http://linuxgravity.com/cryptography-and-how-to-use-opengpg-to-encrypt-data</link>
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		<pubDate>Thu, 20 Aug 2009 17:29:57 +0000</pubDate>
		<dc:creator>amjad</dc:creator>
				<category><![CDATA[Centos]]></category>
		<category><![CDATA[Debian]]></category>
		<category><![CDATA[Fedora]]></category>
		<category><![CDATA[Red Hat]]></category>
		<category><![CDATA[Ubuntu]]></category>
		<category><![CDATA[asymmetric encryption]]></category>
		<category><![CDATA[cryptography]]></category>
		<category><![CDATA[opengpg]]></category>
		<category><![CDATA[PKI]]></category>
		<category><![CDATA[symmetric encryption]]></category>

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		<description><![CDATA[PGP is a hybrid cryptosystem which means that it uses both symmetric as well as asymmetric encryption. Let me explain 
There are two types of encryption 
Symmetric encryption
If I send a you a secret letter about which we have agreed that every alphabet needs to be replaced by the previous 3rd one, then when I [...]]]></description>
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