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Editorial Team
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Editorial Team
Asked: June 17, 20262026-06-17T12:52:15+00:00 2026-06-17T12:52:15+00:00

Is this a good csrf token? Does it have enough entropy, or are there

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Is this a good csrf token? Does it have enough entropy, or are there parts that are easily guessable and could reduce the entropy, like the time of the request?

An example python implementation would b

token = hashlib.sha256(str(uuid.uuid4())).hexdigest()
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  1. Editorial Team
    Editorial Team
    2026-06-17T12:52:16+00:00Added an answer on June 17, 2026 at 12:52 pm

    uuid v4 has 122 random bits (of a possible 128) so, yes, it should be fine as a CSRF token.

    (BTW, does hashing this accomplish anything? It’s not really doing much other than shuffling random bits around.)

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