Right now, I’m generating a SHA-512 of a file in my Django model, but that
requires a string of 128 bytes…
I’m not positive on a better way to store the sha-512 in my model? Can
anyone suggest a method / design that would be better optimized?
A quick test, looks like I might be able to store this in a blob of 64
bytes, which would be a considerable savings…
t = hashlib.sha512(test.encode("utf-16”))
digest = t.digest()
len(digest)
64
t = hashlib.sha512(test.encode("utf-16”))
hexdigest = t.hexdigest()
len(hexdigest)
128
But thinking about it, I could convert the hex digest to an integer?
int(hexdigest,16)
4298666745768817459166789395753510504053621749752930724783367173454957154660445390018210346619930005782627382250329880502243093184532984814018267510704707
z = int(hexdigest,16)
type(z)
<class 'int’>
‘52137203c3c4b62bc981fd9c8770952bfd1984ee9ce6e33ec94e485bc31a5631b6c6d15c1a2646f39c887575b576e66ed1ddbd96112d5355e574f06df8878a43'
0x52137203c3c4b62bc981fd9c8770952bfd1984ee9ce6e33ec94e485bc31a5631b6c6d15c1a2646f39c887575b576e66ed1ddbd96112d5355e574f06df8878a43
They convert identically, but I’m not sure that converting to integer would
keep the integrity of the sha-512?
Can anyone make any sort of suggestion on the best way to handle this?
- Benjamin
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