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Questions tagged [checksum]

The tag has no usage guidance.

2
votes
5answers
221 views

Prove log files weren't tampered with?

Say I have some Apache logs that show brute force attempts on a login page. I've singled out the IP, and found out who the culprit was. How can I show to a third party that I didn't makeup the entries ...
1
vote
1answer
70 views

Why do some websites have their hashes on the same area as the download link? [duplicate]

Some sites allow us to use hashes to make sure that the file we download is what it should be and that it is not tampered with. Some sites may have their hashes on a different domain probably on a ...
0
votes
2answers
122 views

Deploy verifiable webapp source code

Recently there have been quite some discussions about the security approach of ProtonMail. Since it do crypto stuff at client-side, loading the javascript code in the user's browser, as far as i know, ...
1
vote
2answers
568 views

Which hashing algorithm shoud I use for a safe file checksum?

For my work I'll need to provide my customer a specific file which will be the result of the work I have done for them. To protect the integrity of the work I have done and to guarantee it has never ...
5
votes
3answers
656 views

Why verify a file / firmware downloaded online against a checksum? [duplicate]

When ever there is a file / firmware to download online and they provide a checksum to check the file against, i always confirm the check sum of the downloaded file matches the checksum posted online. ...
0
votes
1answer
107 views

Standard ways that sites use Base64 hash/checksum for security/authorization

I saw a few website APIs that use a checksum as a GET parameter. For example: http://api.test.com/get/?people=fathers&view=all&hash={28 character Base64-like string}. The hash relies on all ...
3
votes
4answers
2k views

Checksum vs. Hash: Differences and Similarities?

What are similarities and differences between a "checksum" algorithm and a "hash" function? Can they be used instead of each other? Or their usage are different? For example, for verifying the ...