js-databox/cjs/utils/Encrypt.js

databox & metabox

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EncryptApi = void 0;
const RSAEncrypt_1 = require("./RSAEncrypt");
const AESEncrypt_1 = require("./AESEncrypt");
class Encrypt {
    async aesKeyGen() {
        let aesKey = "";
        const array = new BigUint64Array(16);
        window.crypto.getRandomValues(array);
        array.forEach(v => {
            aesKey += v.toString(16);
        });
        while (aesKey.length < 256)
            aesKey += "0";
        return aesKey;
    }
    async genRSAKey() {
        try {
            const keyPair = await RSAEncrypt_1.RSAEncryptApi.generateKey();
            const pemPrivateKey = await RSAEncrypt_1.RSAEncryptApi.exportCryptoKey(keyPair.privateKey);
            const pemPublicKey = await RSAEncrypt_1.RSAEncryptApi.publicExportCryptoKey(keyPair.publicKey);
            return {
                privateKey: pemPrivateKey,
                publicKey: pemPublicKey
            };
        }
        catch (e) {
            throw e;
        }
    }
    async encryptPrivateKey(privateKey, passwordHash, Iv) {
        try {
            const u8 = await AESEncrypt_1.AESEncryptApi.AESEncData(privateKey, passwordHash, Iv);
            return String.fromCharCode.apply(null, 
            //@ts-ignore
            new Uint8Array(u8));
        }
        catch (e) {
            throw e;
        }
    }
    async decryptPrivateKey(prePrivateKey, passwordHash, Iv) {
        try {
            const buf = new ArrayBuffer(prePrivateKey.length);
            const bufView = new Uint8Array(buf);
            for (let i = 0, strLen = prePrivateKey.length; i < strLen; i++) {
                bufView[i] = prePrivateKey.charCodeAt(i);
            }
            const plainText = AESEncrypt_1.AESEncryptApi.AESDecData(bufView.buffer, passwordHash, Iv);
            return new TextDecoder().decode(plainText);
        }
        catch (e) {
            throw e;
        }
    }
}
exports.EncryptApi = new Encrypt();