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	<title>Comments on: SHA-256 hash calculator</title>
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	<link>http://www.xorbin.com</link>
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		<title>By: การเข้ารหัสเงินเปลี่ยนการจ่ายเงินของเราได้อย่างไร (2) &#124; Herothailand.com BLOG!</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-25892</link>
		<dc:creator>การเข้ารหัสเงินเปลี่ยนการจ่ายเงินของเราได้อย่างไร (2) &#124; Herothailand.com BLOG!</dc:creator>
		<pubDate>Fri, 13 Jan 2012 16:56:31 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-25892</guid>
		<description>[...] การสร้างลายเซ็นดิจิตอลสำหรับไฟล์หรือข้อความนั้น  คุณต้องทำให้ข้อมูลหรือเนื้อหาของไฟล์นั้นให้กลายเป็นส่วนเล็ก ๆ ด้วยฟังก์ชันที่เรียกว่า Hash อย่าง  SHA-256 แล้วเข้ารหัสผลลัพท์ที่ได้ด้วยกุญแจส่วนตัว (private key) ซึ่งจะได้เป็นลายเซ็นดิจิตอลสำหรับไฟล์นั้น ๆ ทางผู้รับสามารถยืนยันลายเซ็นดิจิตอลของไฟล์ได้โดยการถอดรหัสด้วยกุญแจสาธารณะ (public key) ซึ่งถ้าค่า Hash ที่ได้ตรงกัน คุณสามารถเข้าถึงเนื้อหาดังกล่าวได้ แต่ถ้าหากค่า Hash ที่ได้ไม่ตรงกันคุณก็จะไม่สามารถเข้าถึงเนื้อหาดังกล่าวได้ รูปภาพจาก http://th.wikipedia.org/wiki/%E0%B8%9F%E0%B8%B1%E0%B8%87%E0%B8%81%E0%B9%8C%E0%B8%8A%E0%B8%B1%E0%B8%99%E0%B9%81%E0%B8%AE%E0%B8%8A [...]</description>
		<content:encoded><![CDATA[<p>[...] การสร้างลายเซ็นดิจิตอลสำหรับไฟล์หรือข้อความนั้น  คุณต้องทำให้ข้อมูลหรือเนื้อหาของไฟล์นั้นให้กลายเป็นส่วนเล็ก ๆ ด้วยฟังก์ชันที่เรียกว่า Hash อย่าง  SHA-256 แล้วเข้ารหัสผลลัพท์ที่ได้ด้วยกุญแจส่วนตัว (private key) ซึ่งจะได้เป็นลายเซ็นดิจิตอลสำหรับไฟล์นั้น ๆ ทางผู้รับสามารถยืนยันลายเซ็นดิจิตอลของไฟล์ได้โดยการถอดรหัสด้วยกุญแจสาธารณะ (public key) ซึ่งถ้าค่า Hash ที่ได้ตรงกัน คุณสามารถเข้าถึงเนื้อหาดังกล่าวได้ แต่ถ้าหากค่า Hash ที่ได้ไม่ตรงกันคุณก็จะไม่สามารถเข้าถึงเนื้อหาดังกล่าวได้ รูปภาพจาก <a href="http://th.wikipedia.org/wiki/%E0%B8%9F%E0%B8%B1%E0%B8%87%E0%B8%81%E0%B9%8C%E0%B8%8A%E0%B8%B1%E0%B8%99%E0%B9%81%E0%B8%AE%E0%B8%8A" rel="nofollow">http://th.wikipedia.org/wiki/%E0%B8%9F%E0%B8%B1%E0%B8%87%E0%B8%81%E0%B9%8C%E0%B8%8A%E0%B8%B1%E0%B8%99%E0%B9%81%E0%B8%AE%E0%B8%8A</a> [...]</p>
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	<item>
		<title>By: Should you trust lastpass.com? &#124; Revolusionline</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-24734</link>
		<dc:creator>Should you trust lastpass.com? &#124; Revolusionline</dc:creator>
		<pubDate>Tue, 06 Dec 2011 18:18:19 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-24734</guid>
		<description>[...] can confirm that the hash getting sent is geniune by creating the same hash elsewhere via an online SHA256 generator, or writing some code myself. Try it yourself, the hash created is SHA256(SHA256(username + [...]</description>
		<content:encoded><![CDATA[<p>[...] can confirm that the hash getting sent is geniune by creating the same hash elsewhere via an online SHA256 generator, or writing some code myself. Try it yourself, the hash created is SHA256(SHA256(username + [...]</p>
]]></content:encoded>
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	<item>
		<title>By: Apache Shiro &#8211; Lista de usuarios en la base de datos de Oracle &#171; Blogging googling</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-10542</link>
		<dc:creator>Apache Shiro &#8211; Lista de usuarios en la base de datos de Oracle &#171; Blogging googling</dc:creator>
		<pubDate>Fri, 26 Aug 2011 18:05:32 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-10542</guid>
		<description>[...] El último par de líneas nos permite almacenar el hash de las contraseñas utilizando el algoritmo sha256, para que nadie pueda verlas. La columna que almacena este valor la puse como varchar2(64) ya que siempre se genera una cadena de 64 caracteres. Puedes generar el hash desde la línea de comandos -en linux- ejecutando:echo -n mi_password_secreto &#124; sha256sumo en la página http://www.xorbin.com/tools/sha256-hash-calculator [...]</description>
		<content:encoded><![CDATA[<p>[...] El último par de líneas nos permite almacenar el hash de las contraseñas utilizando el algoritmo sha256, para que nadie pueda verlas. La columna que almacena este valor la puse como varchar2(64) ya que siempre se genera una cadena de 64 caracteres. Puedes generar el hash desde la línea de comandos -en linux- ejecutando:echo -n mi_password_secreto | sha256sumo en la página <a href="http://www.xorbin.com/tools/sha256-hash-calculator" rel="nofollow">http://www.xorbin.com/tools/sha256-hash-calculator</a> [...]</p>
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	</item>
	<item>
		<title>By: Why hash (without using a salt) random numbers? &#124; Gravity Layouts</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-9253</link>
		<dc:creator>Why hash (without using a salt) random numbers? &#124; Gravity Layouts</dc:creator>
		<pubDate>Mon, 01 Aug 2011 01:24:27 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-9253</guid>
		<description>[...] http://www.xorbin.com/tools/sha256-hash-calculator [...]</description>
		<content:encoded><![CDATA[<p>[...] <a href="http://www.xorbin.com/tools/sha256-hash-calculator" rel="nofollow">http://www.xorbin.com/tools/sha256-hash-calculator</a> [...]</p>
]]></content:encoded>
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	<item>
		<title>By: [WARNING] Gawker Media hacked. In altre parole account compromessi su Lifehacker, Gizmodo, Gawker, Jezebel, io9, Jalopnik, Kotaku, Deadspin e Fleshbot &#124; Il taccuino di Armando Leotta</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-7537</link>
		<dc:creator>[WARNING] Gawker Media hacked. In altre parole account compromessi su Lifehacker, Gizmodo, Gawker, Jezebel, io9, Jalopnik, Kotaku, Deadspin e Fleshbot &#124; Il taccuino di Armando Leotta</dc:creator>
		<pubDate>Tue, 14 Dec 2010 07:15:36 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-7537</guid>
		<description>[...] volete effettuare manualmente il controllo calcolate lo sha-256 (no salt) del vostro indirizzo di mail usato per registrarvi a gawker (non è salvato in [...]</description>
		<content:encoded><![CDATA[<p>[...] volete effettuare manualmente il controllo calcolate lo sha-256 (no salt) del vostro indirizzo di mail usato per registrarvi a gawker (non è salvato in [...]</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Gawker: Change your passwords now...</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-7533</link>
		<dc:creator>Gawker: Change your passwords now...</dc:creator>
		<pubDate>Mon, 13 Dec 2010 19:59:35 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-7533</guid>
		<description>[...] you do not have the ability to do this yourself or have no idea what this means, you can compute it here (don’t put any spaces or anything in the box, just your username or e-mail [...]</description>
		<content:encoded><![CDATA[<p>[...] you do not have the ability to do this yourself or have no idea what this means, you can compute it here (don’t put any spaces or anything in the box, just your username or e-mail [...]</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: The easiest way to check if your email address is on the Gawker hacker list &#124; Infinite Software</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-7532</link>
		<dc:creator>The easiest way to check if your email address is on the Gawker hacker list &#124; Infinite Software</dc:creator>
		<pubDate>Mon, 13 Dec 2010 19:50:28 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-7532</guid>
		<description>[...] you do not have the ability to do this yourself or have no idea what this means, you can compute it here (don’t put any spaces or anything in the box, just your username or e-mail [...]</description>
		<content:encoded><![CDATA[<p>[...] you do not have the ability to do this yourself or have no idea what this means, you can compute it here (don’t put any spaces or anything in the box, just your username or e-mail [...]</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: The easiest way to check if your email address is on the Gawker hacker list &#124; Tech-Bubble</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-7530</link>
		<dc:creator>The easiest way to check if your email address is on the Gawker hacker list &#124; Tech-Bubble</dc:creator>
		<pubDate>Mon, 13 Dec 2010 19:15:16 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-7530</guid>
		<description>[...] you do not have the ability to do this yourself or have no idea what this means, you can compute it here (don&#8217;t put any spaces or anything in the box, just your username or e-mail [...]</description>
		<content:encoded><![CDATA[<p>[...] you do not have the ability to do this yourself or have no idea what this means, you can compute it here (don&#8217;t put any spaces or anything in the box, just your username or e-mail [...]</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Image Verification</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-7472</link>
		<dc:creator>Image Verification</dc:creator>
		<pubDate>Thu, 25 Nov 2010 09:03:48 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-7472</guid>
		<description>[...] TIP: You can test these to show this works by rehashing the keys and comparing them here [...]</description>
		<content:encoded><![CDATA[<p>[...] TIP: You can test these to show this works by rehashing the keys and comparing them here [...]</p>
]]></content:encoded>
	</item>
	<item>
		<title>By: Tin Isles &#187; Blog Archive &#187; Should you trust lastpass.com?</title>
		<link>http://www.xorbin.com/tools/sha256-hash-calculator/comment-page-1#comment-5330</link>
		<dc:creator>Tin Isles &#187; Blog Archive &#187; Should you trust lastpass.com?</dc:creator>
		<pubDate>Tue, 06 Apr 2010 06:02:31 +0000</pubDate>
		<guid isPermaLink="false">http://www.devbox.info/?page_id=593#comment-5330</guid>
		<description>[...] can confirm that the hash getting sent is geniune by creating the same hash elsewhere via an online SHA256 generator, or writing some code myself. Try it yourself, the hash created is SHA256(SHA256(username + [...]</description>
		<content:encoded><![CDATA[<p>[...] can confirm that the hash getting sent is geniune by creating the same hash elsewhere via an online SHA256 generator, or writing some code myself. Try it yourself, the hash created is SHA256(SHA256(username + [...]</p>
]]></content:encoded>
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