A checksum is a value created from a binary file that can be used to validate its authenticity and integrity. An example of a checksum is MD4, MD5 and SHA-1.
Questions tagged [checksum]
156 questions
63
votes
17 answers
Does an identical cryptographic hash or checksum for two files mean they are identical?
I have 2 excel documents and I want to check if they are exactly the same, apart from the file name.
For example, the files are called fileone.xls and filetwo.xls. Apart from the file names, their contents are presumed to be identical but this is…
sam
- 4,149
8
votes
3 answers
What are these Google SHA1 images?
If you look at this page you'll see an monochrome image.
Above it says
Tip: Use the SHA1 checksum shown to verify file integrity.
However, I don't know if that's related. What are these things?
user3109
4
votes
1 answer
What does star in .sha file mean?
The output contains one line per file of the form "{hash} SPACE ASTERISK [{directory} SLASH] {filename}".
So what does * mean?
Smit Johnth
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3
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1 answer
Do lower and capital letters matter for sha checksum?
I have just download a windows iso from microsoft and the checksum does match, unless lower and capital letters must be equal.
Note: i copy pasted the checksum nothing was…
Sir
- 31
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vote
5 answers
How to verify checksum in a .mds file format?
I got the hadoop checksum file from https://dist.apache.org/repos/dist/release/hadoop/common/hadoop-2.7.1/hadoop-2.7.1.tar.gz.mds. But the file format is not the ones expected by tools like sha256sum. What tools should I use to read checksum in a…
David S.
- 926
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votes
1 answer
How to total 2 cells = Take the value in Cell A and if Cell A is blank then take the value from Cell B
Cell A Row 1 = 100
Cell B row 1= 100000
Cell C Total should be = 100
Cell A Row 2 = 0
Cell B Row 2 = 45000
Cell C Row 2 = 45000
Total of Cell C1 + C2 = 45100
