#31358: Increase default password salt size
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Reporter: Jon Moroney | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 3.0
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Description changed by Jon Moroney:
Old description:
> I've made a patch for this here
> https://github.com/django/django/pull/12553
> Which changes the default salt size from ~71 bits to ~131 bits
>
> The rational is that modern guidance suggests a 128 bit minimum on salt
> sizes
> OWASP:
> https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/Password_Storage_Cheat_Sheet.md#salting
> NIST:
> https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf
>
> In the case of NIST this is technically a hard requirement.
New description:
I've made a patch for this here
https://github.com/django/django/pull/12553
Which changes the default salt size from ~71 bits to ~131 bits
The rational is that modern guidance suggests a 128 bit minimum on salt
sizes
OWASP:
https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/Password_Storage_Cheat_Sheet.md#salting
Python: https://docs.python.org/3/library/hashlib.html#hashlib.pbkdf2_hmac
NIST:
https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf
In the case of NIST this is technically a hard requirement.
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Ticket URL: <https://code.djangoproject.com/ticket/31358#comment:1>
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