23 lines
1.0 KiB
JavaScript
23 lines
1.0 KiB
JavaScript
// We use WebCrypto aka globalThis.crypto, which exists in browsers and node.js 16+.
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// node.js versions earlier than v19 don't declare it in global scope.
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// For node.js, package.js on#exports field mapping rewrites import
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// from `crypto` to `cryptoNode`, which imports native module.
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// Makes the utils un-importable in browsers without a bundler.
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// Once node.js 18 is deprecated, we can just drop the import.
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import { crypto } from '@noble/ciphers/webcrypto/crypto';
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/**
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* Secure PRNG. Uses `crypto.getRandomValues`, which defers to OS.
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*/
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export function randomBytes(bytesLength = 32) {
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if (crypto && typeof crypto.getRandomValues === 'function') {
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return crypto.getRandomValues(new Uint8Array(bytesLength));
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}
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throw new Error('crypto.getRandomValues must be defined');
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}
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export function getWebcryptoSubtle() {
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if (crypto && typeof crypto.subtle === 'object' && crypto.subtle != null) {
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return crypto.subtle;
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}
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throw new Error('crypto.subtle must be defined');
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}
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//# sourceMappingURL=utils.js.map
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