jose
Version:
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
31 lines (30 loc) • 1.78 kB
TypeScript
import type * as t from '../types.d.ts';
/** Algorithms supported by {@link generateSecret}, subject to runtime support. */
export type GenerateSecretAlgorithm = 'HS256' | 'HS384' | 'HS512' | 'A128CBC-HS256' | 'A192CBC-HS384' | 'A256CBC-HS512' | 'A128KW' | 'A192KW' | 'A256KW' | 'A128GCMKW' | 'A192GCMKW' | 'A256GCMKW' | 'A128GCM' | 'A192GCM' | 'A256GCM' | (string & {});
/**
* Maps a JWA algorithm identifier to the value returned by {@link generateSecret}. AES_CBC_HMAC_SHA2
* algorithms return {@link !Uint8Array}; other supported algorithms return
* {@link t.CryptoKey CryptoKey}. When the algorithm is not statically known, the result is their
* union.
*/
export type GeneratedSecret<Alg extends string> = Alg extends 'A128CBC-HS256' | 'A192CBC-HS384' | 'A256CBC-HS512' ? Uint8Array : string extends Alg ? t.CryptoKey | Uint8Array : t.CryptoKey;
/** Secret generation options. */
export interface GenerateSecretOptions {
/**
* Whether the generated CryptoKey is extractable. Defaults to false; has no effect for
* A128CBC-HS256, A192CBC-HS384, and A256CBC-HS512, which return raw bytes.
*/
extractable?: boolean;
}
/**
* Generates a symmetric secret key for a given JWA algorithm identifier.
*
* > Note: The secret key is generated with `extractable` set to `false` by default.
*
* > Note: A128CBC-HS256, A192CBC-HS384, and A256CBC-HS512 return {@link !Uint8Array} because these secrets
* > have no CryptoKey representation.
*
* @param alg JWA Algorithm Identifier to be used with the generated secret. See
* {@link https://github.com/panva/jose/issues/210 Algorithm Key Requirements}.
*/
export declare function generateSecret<Alg extends GenerateSecretAlgorithm>(alg: Alg, options?: GenerateSecretOptions): Promise<GeneratedSecret<Alg>>;