/**
 * These symbols are imported to override incorrect or obsolete definitions
 * provided in the ITU X.420 specification of PKCS #7. For example, `Digest`
 * has a more complicated type defined within ITU X.420, but in the
 * authoritative IETF RFC definition, `Digest` is simply an `OCTET STRING`.
 * This overriding is important, because OpenSSL will fail to read PKCS #7
 * structures that use the X.420-based `Digest` definition, for example.
 */
export { Digest, _decode_Digest, _encode_Digest, } from "@wildboar/cms/src/lib/modules/CryptographicMessageSyntax-2010/Digest.ta";
import { ASN1Element, ASN1Element as _Element } from "asn1-ts";
import * as $ from "asn1-ts/dist/node/functional";
import { HASH } from "@wildboar/x500/src/lib/modules/AuthenticationFramework/HASH.ta";
import { Attributes } from "../PKCS7/Attributes.ta";
declare type ToBeHashed = {
    content: _Element;
} | {
    authenticated_attributes: Attributes;
};
/**
 * @summary Digest
 * @description
 *
 * ### ASN.1 Definition:
 *
 * ```asn1
 * Digest  ::=
 *     HASH
 *         {CHOICE {content
 *                 [1]  PKCS7-CONTENT-TYPE.&Type({PKCS7ContentTable}),
 *                 authenticated-attributes  [0] EXPLICIT Attributes}}
 * ```
 */
export declare type X420Digest = HASH<ToBeHashed>;
/**
 * @summary Decodes an ASN.1 element into a(n) Digest
 * @function
 * @param {_Element} el The element being decoded.
 * @returns {Digest} The decoded data structure.
 */
export declare function _decode_X420Digest(el: _Element): X420Digest;
/**
 * @summary Encodes a(n) Digest into an ASN.1 Element.
 * @function
 * @param {value} el The element being decoded.
 * @param elGetter A function that can be used to get new ASN.1 elements.
 * @returns {_Element} The Digest, encoded as an ASN.1 Element.
 */
export declare function _encode_X420Digest(value: X420Digest, elGetter: $.ASN1Encoder<X420Digest>): ASN1Element;