http://fileformats.archiveteam.org/index.php?title=CRC&feed=atom&action=historyCRC - Revision history2024-03-28T17:39:14ZRevision history for this page on the wikiMediaWiki 1.19.2http://fileformats.archiveteam.org/index.php?title=CRC&diff=39113&oldid=prevJsummers at 16:44, 14 January 20212021-01-14T16:44:07Z<p></p>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>'''CRC''' stands for ''cyclic redundancy check''</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>'''CRC''' stands for ''cyclic redundancy check''<ins class="diffchange diffchange-inline">.</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data.  CRCs use a family of related algorithms rather than a single standardized one.  A variety of cyclic redundancy checks have been incorporated into technical specifications.  For example, many specifications, including [[ZIP]], use a variant commonly called [[CRC-32]].</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>CRCs are <ins class="diffchange diffchange-inline">hash functions </ins>designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data.  CRCs use a family of related algorithms rather than a single standardized one.  A variety of cyclic redundancy checks have been incorporated into technical specifications.  For example, many specifications, including [[ZIP]], use a variant commonly called [[CRC-32]]<ins class="diffchange diffchange-inline">.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div> </div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">See also:</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[CRC-16]]</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[CRC-32]]</ins></div></td></tr>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">== Discussion ==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">Each CRC algorithm involves a special ''generator polynomial'', but knowing this polynomial is not sufficient to unambiguously define the algorithm. There are other parameters, including the initial state, byte-ordering and bit-ordering issues, and whether the bits are inverted at certain places in the process. The names used for CRC algorithms are often ambiguous, and the same algorithm may have several names</ins>.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Wikipedia:Cyclic redundancy check|Cyclic redundancy check : Wikipedia]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Wikipedia:Cyclic redundancy check|Cyclic redundancy check : Wikipedia]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [<del class="diffchange diffchange-inline">http</del>://<del class="diffchange diffchange-inline">www</del>.<del class="diffchange diffchange-inline">textfiles</del>.<del class="diffchange diffchange-inline">com</del>/<del class="diffchange diffchange-inline">programming/FORMATS/crc.pro 1985 Document describing </del>CRC <del class="diffchange diffchange-inline">modifications to the Ward Christensen protocol</del>]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [<ins class="diffchange diffchange-inline">https</ins>://<ins class="diffchange diffchange-inline">reveng</ins>.<ins class="diffchange diffchange-inline">sourceforge</ins>.<ins class="diffchange diffchange-inline">io</ins>/ CRC <ins class="diffchange diffchange-inline">RevEng</ins>] <ins class="diffchange diffchange-inline">- CRC calculator and algorithm finder</ins></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [https://<del class="diffchange diffchange-inline">www</del>.<del class="diffchange diffchange-inline">embeddedrelated</del>.<del class="diffchange diffchange-inline">com</del>/<del class="diffchange diffchange-inline">showarticle</del>/<del class="diffchange diffchange-inline">669.php The </del>CRC <del class="diffchange diffchange-inline">Wild Goose Chase</del>]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">*</ins>* [https://<ins class="diffchange diffchange-inline">reveng</ins>.<ins class="diffchange diffchange-inline">sourceforge</ins>.<ins class="diffchange diffchange-inline">io</ins>/<ins class="diffchange diffchange-inline">crc-catalogue</ins>/ <ins class="diffchange diffchange-inline">Catalogue of parametrised </ins>CRC <ins class="diffchange diffchange-inline">algorithms</ins>]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [<del class="diffchange diffchange-inline">http</del>://<del class="diffchange diffchange-inline">reveng</del>.<del class="diffchange diffchange-inline">sourceforge</del>.<del class="diffchange diffchange-inline">net</del>/ CRC <del class="diffchange diffchange-inline">RevEng</del>] <del class="diffchange diffchange-inline">- CRC calculator and algorithm finder</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [<ins class="diffchange diffchange-inline">https</ins>://<ins class="diffchange diffchange-inline">users</ins>.<ins class="diffchange diffchange-inline">ece</ins>.<ins class="diffchange diffchange-inline">cmu.edu</ins>/<ins class="diffchange diffchange-inline">~koopman/crc/notes.html </ins>CRC <ins class="diffchange diffchange-inline">Polynomial Zoo</ins>]</div></td></tr>
</table>Jsummershttp://fileformats.archiveteam.org/index.php?title=CRC&diff=32915&oldid=prevJsummers: /* Links */2019-08-17T22:12:23Z<p><span dir="auto"><span class="autocomment">Links</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Wikipedia:Cyclic redundancy check|Cyclic redundancy check : Wikipedia]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Wikipedia:Cyclic redundancy check|Cyclic redundancy check : Wikipedia]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.textfiles.com/programming/FORMATS/crc.pro 1985 Document describing CRC modifications to the Ward Christensen protocol]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.textfiles.com/programming/FORMATS/crc.pro 1985 Document describing CRC modifications to the Ward Christensen protocol]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [<del class="diffchange diffchange-inline">http</del>://www.embeddedrelated.com/showarticle/669.php The CRC Wild Goose Chase]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [<ins class="diffchange diffchange-inline">https</ins>://www.embeddedrelated.com/showarticle/669.php The CRC Wild Goose Chase]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [http://reveng.sourceforge.net/ CRC RevEng] - CRC calculator and algorithm finder</ins></div></td></tr>
</table>Jsummershttp://fileformats.archiveteam.org/index.php?title=CRC&diff=19419&oldid=prevJsummers at 15:11, 26 October 20142014-10-26T15:11:52Z<p></p>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''CRC''' stands for ''cyclic redundancy check''</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''CRC''' stands for ''cyclic redundancy check''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data.  CRCs use a family of related algorithms rather than a single standardized one.  A variety of cyclic redundancy checks have been incorporated into technical specifications.  For example, many specifications, including [[ZIP]], use a variant commonly called [[CRC-32]].</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data.  CRCs use a family of related algorithms rather than a single standardized one.  A variety of cyclic redundancy checks have been incorporated into technical specifications.  For example, many specifications, including [[ZIP]], use a variant commonly called [[CRC-32]].</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>== <del class="diffchange diffchange-inline">References </del>==</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>== <ins class="diffchange diffchange-inline">Links </ins>==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [<del class="diffchange diffchange-inline">http</del>:<del class="diffchange diffchange-inline">//en.wikipedia.org/wiki/Cyclic_redundancy_check </del>Cyclic redundancy check : Wikipedia]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [<ins class="diffchange diffchange-inline">[Wikipedia</ins>:<ins class="diffchange diffchange-inline">Cyclic redundancy check|</ins>Cyclic redundancy check : Wikipedia<ins class="diffchange diffchange-inline">]</ins>]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.textfiles.com/programming/FORMATS/crc.pro 1985 Document describing CRC modifications to the Ward Christensen protocol]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://www.textfiles.com/programming/FORMATS/crc.pro 1985 Document describing CRC modifications to the Ward Christensen protocol]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [http://www.embeddedrelated.com/showarticle/669.php The CRC Wild Goose Chase]</ins></div></td></tr>
</table>Jsummershttp://fileformats.archiveteam.org/index.php?title=CRC&diff=13652&oldid=prevDan Tobias: /* References */2013-10-02T12:27:17Z<p><span dir="auto"><span class="autocomment">References</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [http://www.textfiles.com/programming/FORMATS/crc.pro <del class="diffchange diffchange-inline">985 </del>Document describing CRC modifications to the Ward Christensen protocol]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [http://www.textfiles.com/programming/FORMATS/crc.pro <ins class="diffchange diffchange-inline">1985 </ins>Document describing CRC modifications to the Ward Christensen protocol]</div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=CRC&diff=13651&oldid=prevDan Tobias: /* References */2013-10-02T12:27:07Z<p><span dir="auto"><span class="autocomment">References</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [http://www.textfiles.com/programming/FORMATS/crc.pro 985 Document describing CRC modifications to the Ward Christensen protocol]</ins></div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=CRC&diff=11174&oldid=prevJsummers at 16:10, 21 April 20132013-04-21T16:10:12Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''CRC''' stands for ''cyclic redundancy check''</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>'''CRC''' stands for ''cyclic redundancy check''</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data.  CRCs use a family of related algorithms rather than a single standardized one.  A variety of cyclic redundancy checks have been incorporated into technical specifications.  For example, many specifications, including [[ZIP]], use a variant commonly called CRC-32.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data.  CRCs use a family of related algorithms rather than a single standardized one.  A variety of cyclic redundancy checks have been incorporated into technical specifications.  For example, many specifications, including [[ZIP]], use a variant commonly called <ins class="diffchange diffchange-inline">[[</ins>CRC-32<ins class="diffchange diffchange-inline">]]</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [http://en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div></td></tr>
</table>Jsummershttp://fileformats.archiveteam.org/index.php?title=CRC&diff=10621&oldid=prevJsummers: Change category name2013-03-25T02:34:09Z<p>Change category name</p>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>|subcat=Error correction</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>|subcat=Error <ins class="diffchange diffchange-inline">detection and </ins>correction</div></td></tr>
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</table>Jsummershttp://fileformats.archiveteam.org/index.php?title=CRC&diff=6856&oldid=prevDan Tobias: Add infobox2012-11-30T04:02:33Z<p>Add infobox</p>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>CRC stands for ''cyclic redundancy check''</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">{{FormatInfo</ins></div></td></tr>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">'''</ins>CRC<ins class="diffchange diffchange-inline">''' </ins>stands for ''cyclic redundancy check''</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data.  CRCs use a family of related algorithms rather than a single standardized one.  A variety of cyclic redundancy checks have been incorporated into technical specifications.  For example, many specifications, including [[ZIP]], use a variant commonly called CRC-32.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data.  CRCs use a family of related algorithms rather than a single standardized one.  A variety of cyclic redundancy checks have been incorporated into technical specifications.  For example, many specifications, including [[ZIP]], use a variant commonly called CRC-32.</div></td></tr>
</table>Dan Tobiashttp://fileformats.archiveteam.org/index.php?title=CRC&diff=2951&oldid=prevSwanQ: /* References */2012-11-12T20:12:35Z<p><span dir="auto"><span class="autocomment">References</span></span></p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 20:12, 12 November 2012</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== References ==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>*[en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [<ins class="diffchange diffchange-inline">http://</ins>en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div></td></tr>
</table>SwanQhttp://fileformats.archiveteam.org/index.php?title=CRC&diff=2950&oldid=prevSwanQ: Created page with "CRC stands for ''cyclic redundancy check'' CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against ..."2012-11-12T20:12:11Z<p>Created page with "CRC stands for ''cyclic redundancy check'' CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against ..."</p>
<p><b>New page</b></p><div>CRC stands for ''cyclic redundancy check''<br />
<br />
CRCs are designed to protect against common types of errors on communication channels, but are not suitable for protecting against intentional alteration of data. CRCs use a family of related algorithms rather than a single standardized one. A variety of cyclic redundancy checks have been incorporated into technical specifications. For example, many specifications, including [[ZIP]], use a variant commonly called CRC-32.<br />
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== References ==<br />
*[en.wikipedia.org/wiki/Cyclic_redundancy_check Cyclic redundancy check : Wikipedia]</div>SwanQ