问题
It's the year 2017 and anybody who needs to use hashes should avoid 'broken' ones such as MD5, if security is important. Has anybody found or created a way to do more secure SHA256 or SHA512 hashing in Excel, without using VBA or macros?
A spectacular example of this being done before was over 3½ years ago with MD5 (as seen in this SO: MD5 Hash function in excel without using VBA).
Reason for avoiding VBA/Macros: Compatibility with mobile devices, such as Excel for iOS.
Side Note: The original Stack Overflow post has a successful answer with a dead link, here is a new link for reference: https://tzamtzis.gr/2017/web-analytics/excel-function-md5-hashing-without-vba/
回答1:
I've got one. Limits to 55 characters and designed more for educational purposes (i.e. how to see how SHA256 works in Excel....?).
To recap...
- No VBA.
- No named ranges.
- No arrays.
- Uses standard Excel functions found in 2007 and higher.
- Format is *.xlsx
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来源：https://stackoverflow.com/questions/46509572/excel-formula-based-function-for-sha256-sha512-hashing-without-vba-or-macros