#33475: Add a SESSION_KEY_LENGTH setting
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Reporter: jecarr | Owner: nobody
Type: New feature | Status: new
Component: contrib.sessions | Version: dev
Severity: Normal | Resolution:
Keywords: session | 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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Comment (by Mariusz Felisiak):
I'm also against a new setting. We allow session keys up to 40 characters
which seems fine when you will take an entropy into account. In cited
requirements we have:
> ''"The session ID value must provide at least 64 bits of entropy."''
As far as I'm aware, with 32-character keys and the current alphabet with
a length of 36 (digits and lowercase ASCII letters), we have ~165 bits of
entropy: `32 * log_2(36)`. With the same alphabet and 40-character keys
you will get ~206 bits of entropy.
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Ticket URL: <https://code.djangoproject.com/ticket/33475#comment:3>
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