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Openai/691a9edc-b5b8-800a-99a3-c32d9abccf68
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=== You call: === <syntaxhighlight lang="js">crypto.subtle.generateKey({ name: 'ECDSA', namedCurve: 'P-256' }) </syntaxhighlight> You export: * raw public key * PKCS8 private key You store the private key as non-extractable in IndexedDB. This is exactly how: * Passkeys * WebAuthn resident credentials * TPM-backed keys * Safari’s secure enclave * Signal desktop identity keys work under the hood. You basically implemented a WebAuthn-lite system for every user session.
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