20 lines
596 B
JavaScript
20 lines
596 B
JavaScript
import { decode } from '../util/base64url.js';
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export const unprotected = Symbol();
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export function assertNotSet(value, name) {
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if (value) {
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throw new TypeError(`${name} can only be called once`);
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}
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}
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export function decodeBase64url(value, label, ErrorClass) {
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try {
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return decode(value);
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}
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catch {
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throw new ErrorClass(`Failed to base64url decode the ${label}`);
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}
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}
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export async function digest(algorithm, data) {
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const subtleDigest = `SHA-${algorithm.slice(-3)}`;
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return new Uint8Array(await crypto.subtle.digest(subtleDigest, data));
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}
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