Stateless challenge verification

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MANIRATHNAM V

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May 15, 2025, 3:24:25 PMMay 15
to FIDO Dev (fido-dev)
Hi Team,
              Im,currently exploring,while challenge verification in webauthn ,need to store the challenge in server to verify the challenge received in response through passkey,yubikey signin or configuration. instead of storing in to the server ,can i generate the challenge as a jwt token and verify the token.is it possible, in webauthn specification defines to generate the challenge bytes more than 16 length ,also any limitation for max length. kindly suggest can i implement the stateless authentication on challenge.

My1

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May 15, 2025, 4:01:56 PMMay 15
to MANIRATHNAM V, FIDO Dev (fido-dev)
an interesting proposal.
The challenge, as far as I am aware, is part of the ClientDataJSON object, so technically shouldnt have any stringent length limits, whether that is a good idea tho, I am not sure myself.

Am Do., 15. Mai 2025 um 16:24 Uhr schrieb MANIRATHNAM V <manira...@gmail.com>:
Hi Team,
              Im,currently exploring,while challenge verification in webauthn ,need to store the challenge in server to verify the challenge received in response through passkey,yubikey signin or configuration. instead of storing in to the server ,can i generate the challenge as a jwt token and verify the token.is it possible, in webauthn specification defines to generate the challenge bytes more than 16 length ,also any limitation for max length. kindly suggest can i implement the stateless authentication on challenge.

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Pro Coder 101

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May 15, 2025, 5:02:53 PMMay 15
to My1, MANIRATHNAM V, FIDO Dev (fido-dev)
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