/**
 * Cryptographic key import functions
 *
 * @module
 */
import type * as types from '../types.d.ts';
/** Key Import Function options. */
export interface KeyImportOptions {
    /**
     * The value to use as {@link !SubtleCrypto.importKey} `extractable` argument. Default is false for
     * private keys, true otherwise.
     */
    extractable?: boolean;
}
/**
 * Imports a PEM-encoded SPKI string as a {@link !CryptoKey}.
 *
 * > [!NOTE]\
 * > The OID id-RSASSA-PSS (1.2.840.113549.1.1.10) is not supported in
 * > {@link https://w3c.github.io/webcrypto/ Web Cryptography API}, use the OID rsaEncryption
 * > (1.2.840.113549.1.1.1) instead for all RSA algorithms.
 *
 * This function is exported (as a named export) from the main `'jose'` module entry point as well
 * as from its subpath export `'jose/key/import'`.
 *
 * @param spki PEM-encoded SPKI string
 * @param alg JSON Web Algorithm identifier to be used with the imported key. See
 *   {@link https://github.com/panva/jose/issues/210 Algorithm Key Requirements}.
 */
export declare function importSPKI(spki: string, alg: string, options?: KeyImportOptions): Promise<types.CryptoKey>;
/**
 * Imports the SPKI from an X.509 string certificate as a {@link !CryptoKey}.
 *
 * > [!NOTE]\
 * > The OID id-RSASSA-PSS (1.2.840.113549.1.1.10) is not supported in
 * > {@link https://w3c.github.io/webcrypto/ Web Cryptography API}, use the OID rsaEncryption
 * > (1.2.840.113549.1.1.1) instead for all RSA algorithms.
 *
 * This function is exported (as a named export) from the main `'jose'` module entry point as well
 * as from its subpath export `'jose/key/import'`.
 *
 * @param x509 X.509 certificate string
 * @param alg JSON Web Algorithm identifier to be used with the imported key. See
 *   {@link https://github.com/panva/jose/issues/210 Algorithm Key Requirements}.
 */
export declare function importX509(x509: string, alg: string, options?: KeyImportOptions): Promise<types.CryptoKey>;
/**
 * Imports a PEM-encoded PKCS#8 string as a {@link !CryptoKey}.
 *
 * > [!NOTE]\
 * > The OID id-RSASSA-PSS (1.2.840.113549.1.1.10) is not supported in
 * > {@link https://w3c.github.io/webcrypto/ Web Cryptography API}, use the OID rsaEncryption
 * > (1.2.840.113549.1.1.1) instead for all RSA algorithms.
 *
 * This function is exported (as a named export) from the main `'jose'` module entry point as well
 * as from its subpath export `'jose/key/import'`.
 *
 * @param pkcs8 PEM-encoded PKCS#8 string
 * @param alg JSON Web Algorithm identifier to be used with the imported key. See
 *   {@link https://github.com/panva/jose/issues/210 Algorithm Key Requirements}.
 */
export declare function importPKCS8(pkcs8: string, alg: string, options?: KeyImportOptions): Promise<types.CryptoKey>;
/**
 * Imports a JWK to a {@link !CryptoKey}. Either the JWK "alg" (Algorithm) Parameter, or the optional
 * "alg" argument, must be present for asymmetric JSON Web Key imports.
 *
 * > [!NOTE]\
 * > The JSON Web Key parameters "use", "key_ops", and "ext" are also used in the {@link !CryptoKey}
 * > import process.
 *
 * > [!NOTE]\
 * > Symmetric JSON Web Keys (i.e. `kty: "oct"`) yield back an {@link !Uint8Array} instead of a
 * > {@link !CryptoKey}.
 *
 * This function is exported (as a named export) from the main `'jose'` module entry point as well
 * as from its subpath export `'jose/key/import'`.
 *
 * @param jwk JSON Web Key.
 * @param alg JSON Web Algorithm identifier to be used with the imported key. Default is the "alg"
 *   property on the JWK. See
 *   {@link https://github.com/panva/jose/issues/210 Algorithm Key Requirements}.
 */
export declare function importJWK(jwk: types.JWK, alg?: string, options?: KeyImportOptions): Promise<types.CryptoKey | Uint8Array>;
