@alwatr/token/type.d.ts

Secure authentication HOTP token generator (the HMAC-based One-Time Password algorithm) written in tiny TypeScript module.

import type { DurationString } from '@alwatr/math';
export type DigestAlgorithm = 'md5' | 'sha1' | 'sha224' | 'sha256' | 'sha384' | 'sha512';
export type TokenStatus = 'valid' | 'invalid' | 'expired';
export type TokenGeneratorConfig = {
    /**
     * Secret string data to generate token.
     */
    secret: string;
    /**
     * Token expiration time.
     *
     * `null` mean without expiration time
     */
    duration: DurationString | null;
    /**
     * OpenSSl digest algorithm.
     */
    algorithm: DigestAlgorithm;
    /**
     * Encoding of token.
     */
    encoding: 'base64' | 'base64url' | 'hex' | 'binary';
};
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