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Hi all. I have been searching the Net for an online checksum calculator/tools that can check the efficiency of both md5 and sha1 e.g. speed, accuracy, etc but couldn't find any reliable one. Any suggestions? Many thanks.
Posted 18-Jun-12 5:10am
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SAKryukov 18-Jun-12 12:23pm
   
If you are looking for ready-to-use tool, this question is off-topic,...
--SA

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Solution 1

…And if you want to implement such tool by yourself, as a Web or desktop application, this is quite easy, in particular, with .NET. Please see:
http://msdn.microsoft.com/en-us/library/system.security.cryptography.hashalgorithm.aspx[^].

Besides, if you want to publish a checksum by yourself, keep in mind that both MD5 and SHA1 are found broken, so a malicious artist can potentially fake it along with software itself (turning it to a malicious software, with a virus or a spy agent). Instead, I would advise using one of the cryptographic hash functions from the SHA-2 family. Please see:
http://en.wikipedia.org/wiki/Cryptographic_hash_function[^],
http://en.wikipedia.org/wiki/MD5[^],
http://en.wikipedia.org/wiki/SHA-1[^],
http://en.wikipedia.org/wiki/SHA-2[^].

Please don't blame me for answering a wrong question. Here is the thing: you did not ask a question about programming, did not tag platform, language, etc. But if the question is not about programming, it should be removed as off-topic. This forum is not for computer users who need to check up the checksum of downloaded software, it is for the developers.

—SA
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