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Hash value are not same
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Umesh Kilkile
Greenhorn
Joined: Mar 31, 2010
Posts: 11
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Hi,
I've two Excel files with same data. One is in Excel 2003 (.xls) format and other one is in Excel 2007 (.xlsx) format. I've generated one way hash using SHA-1 algorithm. But the hash value of Excel 2003 files is not same as the hash value of Excel 2007 file.
What might be the problem.
Thank You,
Umesh Kilkile
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Nawapunth Manusitthipol
Greenhorn
Joined: Aug 14, 2009
Posts: 14
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xls is a binary format while xlsx is an xml based format so even if they contain the same data, their hash are not the same.
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Middle path.
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Rob Spoor
Sheriff
Joined: Oct 27, 2005
Posts: 19216
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To be even more precise, xlsx is a ZIP file with several XML files (and one binary file, xl\printerSettings\printerSettings1.bin) in it.
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subject: Hash value are not same
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