node-ciphers/dist/aes/_internals/base/index.js

Lightweight AES and DES encryption library for Node.js, featuring flexible encoding, multiple cipher modes, and TypeScript support.

import { availableCiphers } from "../../../_internals/constants.js";
import { BaseCipher } from "../../../_internals/base-cipher.js";
import { createCipheriv, createDecipheriv } from "node:crypto";

//#region src/aes/_internals/base/index.ts
const keyLengthToBitsMap = {
	16: 128,
	24: 192,
	32: 256
};
var BaseAesCipher = class extends BaseCipher {
	#algorithm;
	#key;
	constructor(key, mode, encodingOptions) {
		super(encodingOptions);
		this.#key = this.dataToBuffer(key, this.encodingOptions.key);
		const modeBits = keyLengthToBitsMap[this.#key.byteLength];
		if (!modeBits) throw new Error("Invalid key length");
		this.#algorithm = `aes-${modeBits}-${mode}`;
		if (!availableCiphers.includes(this.#algorithm)) throw new Error("Invalid algorithm");
	}
	get algorithm() {
		return this.#algorithm;
	}
	createCipher(iv, options) {
		return createCipheriv(this.#algorithm, this.#key, iv, options);
	}
	createDecipher(iv, options) {
		return createDecipheriv(this.#algorithm, this.#key, iv, options);
	}
};

//#endregion
export { BaseAesCipher };
//# sourceMappingURL=index.js.map