@akanass/rx-crypto/operators/aes/decryptWithAesKey.js

Crypto module provides some functions for security features like AES key, Key pair, RSA key, PKCS12, Certificate, PEM and more

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.decryptWithAesKey = void 0;
const rxjs_1 = require("rxjs");
const buffer_1 = require("buffer");
const crypto_1 = require("crypto");
const decryptWithAesKey = (data) => (source) => new rxjs_1.Observable((subscriber) => {
    const subscription = source.subscribe({
        next: (aesKey) => {
            try {
                const decipher = (0, crypto_1.createDecipheriv)('aes-256-cbc', buffer_1.Buffer.from(aesKey.key, 'hex'), buffer_1.Buffer.from(aesKey.iv, 'hex'));
                const bufDecrypted = decipher.update(buffer_1.Buffer.from(data));
                const bufFinal = decipher.final();
                let decrypted;
                if (bufFinal) {
                    decrypted = buffer_1.Buffer.concat([bufDecrypted, bufFinal]);
                }
                else {
                    decrypted = bufDecrypted;
                }
                subscriber.next(decrypted);
                subscriber.complete();
            }
            catch (e) {
                subscriber.error(e);
            }
        },
        error: (err) => subscriber.error(err),
        complete: () => subscriber.complete()
    });
    return () => subscription.unsubscribe();
});
exports.decryptWithAesKey = decryptWithAesKey;