@enteocode/nestjs-mfa/dist/types/cipher.service.d.ts

Implementation agnostic RFC-compliant Multi-Factor Authentication (2FA/MFA) module for NestJS with recovery code support

import type { MfaModuleOptionsInterface } from './mfa.module.options.interface';
export declare class CipherService {
    private readonly logger;
    private readonly secret;
    constructor({ cipher }: MfaModuleOptionsInterface);
    /**
     * Encrypts the value with AES-256-GCM
     *
     * This algorithm is authenticated, used in TLS 1.3, SSH and servers for
     * its bandwidth (~500-800 MB/s) and protection against padding oracle
     * attacks
     *
     * @internal
     * @param buffer
     */
    encrypt(buffer: Buffer): Buffer;
    /**
     * Decrypts the stored value
     *
     * @internal
     * @param buffer
     */
    decrypt(buffer: Buffer): Buffer;
}