48 lines
1.8 KiB
JavaScript
48 lines
1.8 KiB
JavaScript
/* Browser Crypto Shims */
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import { hmac } from "@noble/hashes/hmac";
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import { pbkdf2 } from "@noble/hashes/pbkdf2";
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import { sha256 } from "@noble/hashes/sha256";
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import { sha512 } from "@noble/hashes/sha512";
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import { assert, assertArgument } from "../utils/index.js";
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function getGlobal() {
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if (typeof self !== 'undefined') {
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return self;
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}
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if (typeof window !== 'undefined') {
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return window;
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}
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if (typeof global !== 'undefined') {
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return global;
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}
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throw new Error('unable to locate global object');
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}
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;
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const anyGlobal = getGlobal();
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const crypto = anyGlobal.crypto || anyGlobal.msCrypto;
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export function createHash(algo) {
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switch (algo) {
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case "sha256": return sha256.create();
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case "sha512": return sha512.create();
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}
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assertArgument(false, "invalid hashing algorithm name", "algorithm", algo);
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}
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export function createHmac(_algo, key) {
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const algo = ({ sha256, sha512 }[_algo]);
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assertArgument(algo != null, "invalid hmac algorithm", "algorithm", _algo);
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return hmac.create(algo, key);
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}
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export function pbkdf2Sync(password, salt, iterations, keylen, _algo) {
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const algo = ({ sha256, sha512 }[_algo]);
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assertArgument(algo != null, "invalid pbkdf2 algorithm", "algorithm", _algo);
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return pbkdf2(algo, password, salt, { c: iterations, dkLen: keylen });
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}
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export function randomBytes(length) {
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assert(crypto != null, "platform does not support secure random numbers", "UNSUPPORTED_OPERATION", {
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operation: "randomBytes"
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});
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assertArgument(Number.isInteger(length) && length > 0 && length <= 1024, "invalid length", "length", length);
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const result = new Uint8Array(length);
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crypto.getRandomValues(result);
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return result;
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}
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//# sourceMappingURL=crypto-browser.js.map
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