/**
 * Implementation of GOST R 34.11-2012 ([RFC 6986](https://datatracker.ietf.org/doc/html/rfc6986.html)) "Streebog" hash function
 * @module
 */
import { type Hash, type TArg, type TRet } from "@noble/hashes/utils.js";
/** Streebog (GOST R 34.11-2012) hash function */
declare abstract class Streebog<T extends Streebog<T>> implements Hash<Streebog<T>> {
    private is512;
    readonly blockLen = 64;
    readonly outputLen: number;
    readonly canXOF = false;
    protected buffer: Uint8Array;
    abstract _cloneInto(to?: T): T;
    abstract clone(): T;
    /** Streebog (GOST R 34.11-2012) hash function */
    constructor(is512: boolean);
    destroy(): void;
    update(data: TArg<Uint8Array>): this;
    digest(): TRet<Uint8Array>;
    digestInto(buf: TArg<Uint8Array>): void;
}
/** Streebog-256 hash function*/
export declare class Streebog256 extends Streebog<Streebog256> {
    /** Streebog-256 (GOST R 34.11-2012) hash function */
    constructor();
    /** Create hash instance */
    static create(): Streebog256;
    clone(): Streebog256;
    _cloneInto(to?: Streebog256): Streebog256;
}
/** Streebog-512 hash function*/
export declare class Streebog512 extends Streebog<Streebog512> {
    /** Streebog-512 (GOST R 34.11-2012) hash function */
    constructor();
    /** Create hash instance */
    static create(): Streebog512;
    clone(): Streebog512;
    _cloneInto(to?: Streebog512): Streebog512;
}
/** Streebog-256 hash function*/
export declare const streebog256: {
    outputLen: number;
    blockLen: number;
    canXOF: boolean;
} & import("@noble/hashes/utils.js").HashInfo & {
    (msg: TArg<Uint8Array>): TRet<Uint8Array>;
    create(): Streebog256;
} & ((msg: TArg<TArg<Uint8Array<ArrayBufferLike>>>) => Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>) & {
    outputLen: number;
    blockLen: number;
    canXOF: boolean;
    oid?: TRet<Uint8Array> | undefined;
    create: () => Streebog256;
};
/** Streebog-512 hash function*/
export declare const streebog512: {
    outputLen: number;
    blockLen: number;
    canXOF: boolean;
} & import("@noble/hashes/utils.js").HashInfo & {
    (msg: TArg<Uint8Array>): TRet<Uint8Array>;
    create(): Streebog512;
} & ((msg: TArg<TArg<Uint8Array<ArrayBufferLike>>>) => Uint8Array<ArrayBufferLike> & Uint8Array<ArrayBuffer>) & {
    outputLen: number;
    blockLen: number;
    canXOF: boolean;
    oid?: TRet<Uint8Array> | undefined;
    create: () => Streebog512;
};
export {};