@translated/lara/lib/crypto/browser-crypto.js

Official Lara SDK for JavaScript and Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.BrowserCrypto = void 0;
/** @internal */
class BrowserCrypto {
    constructor() {
        this.subtle = window.crypto.subtle;
    }
    /**
     * MD5 in browser is not supported, so we use SHA-256 instead and return the first 16 bytes
     */
    async digest(data) {
        const encoder = new TextEncoder();
        const buffer = (await this.subtle.digest("sha-256", encoder.encode(data))).slice(0, 16);
        return [...new Uint8Array(buffer)].map((x) => x.toString(16).padStart(2, "0")).join("");
    }
    async hmac(key, data) {
        const encoder = new TextEncoder();
        encoder.encode(data);
        const cKey = await this.subtle.importKey("raw", encoder.encode(key), {
            name: "hmac",
            hash: { name: "sha-256" }
        }, false, ["sign"]);
        const buffer = await this.subtle.sign("hmac", cKey, encoder.encode(data));
        return btoa(String.fromCharCode(...new Uint8Array(buffer)));
    }
}
exports.BrowserCrypto = BrowserCrypto;