39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const crypto = require("crypto");
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const util_1 = require("util");
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const dsa_digest_js_1 = require("./dsa_digest.js");
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const node_key_js_1 = require("./node_key.js");
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const sign_js_1 = require("./sign.js");
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const get_sign_verify_key_js_1 = require("./get_sign_verify_key.js");
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const flags_js_1 = require("./flags.js");
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let oneShotVerify;
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if (crypto.verify.length > 4 && flags_js_1.oneShotCallback) {
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oneShotVerify = (0, util_1.promisify)(crypto.verify);
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}
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else {
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oneShotVerify = crypto.verify;
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}
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const verify = async (alg, key, signature, data) => {
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const keyObject = (0, get_sign_verify_key_js_1.default)(alg, key, 'verify');
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if (alg.startsWith('HS')) {
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const expected = await (0, sign_js_1.default)(alg, keyObject, data);
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const actual = signature;
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try {
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return crypto.timingSafeEqual(actual, expected);
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}
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catch {
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return false;
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}
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}
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const algorithm = (0, dsa_digest_js_1.default)(alg);
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const keyInput = (0, node_key_js_1.default)(alg, keyObject);
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try {
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return await oneShotVerify(algorithm, data, keyInput, signature);
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}
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catch {
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return false;
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}
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};
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exports.default = verify;
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