21 lines
681 B
JavaScript
21 lines
681 B
JavaScript
import { isoCrypto } from './iso/index.js';
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/**
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* Generate a suitably random value to be used as user ID
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*/
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export async function generateUserID() {
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/**
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* WebAuthn spec says user.id has a max length of 64 bytes. I prefer how 32 random bytes look
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* after they're base64url-encoded so I'm choosing to go with that here.
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*/
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const newUserID = new Uint8Array(32);
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await isoCrypto.getRandomValues(newUserID);
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return _generateUserIDInternals.stubThis(newUserID);
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}
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/**
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* Make it possible to stub the return value during testing
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* @ignore Don't include this in docs output
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*/
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export const _generateUserIDInternals = {
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stubThis: (value) => value,
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};
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