Attestation session flow
When attestation session flow is used, there are two scenarios:
- deviceNonce is used (final nonce is computed by combining serverNonce and deviceNonce)
- deviceNonce is not used (serverNonce is used as finalNonce).
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deviceNonce and finalNonce generation is described in the Nonce Generation - session approach.
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xitAttestationToken structure generated by device is described in the Token Structure.
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For Apple devices, client data structure is described in Apple devices