import { type Hash, type TArg, type TRet } from "@noble/hashes/utils.js";
/**
 * Streebog core class
 */
declare abstract class Streebog<T extends Streebog<T>> implements Hash<Streebog<T>> {
    private is512;
    buffer: Uint8Array;
    readonly blockLen = 64;
    outputLen: number;
    readonly canXOF = false;
    abstract _cloneInto(to?: T): T;
    abstract clone(): T;
    /**
     * Streebog core constructor
     * @param is512 Use 512 bits version of algorithm
     */
    constructor(is512: boolean);
    /** Reset hash state */
    destroy(): void;
    /** Update hash buffer */
    update(data: Uint8Array): this;
    /** Finalize hash computation and return result as Uint8Array */
    digest(): TRet<Uint8Array>;
    /**
     * Finalize hash computation and write result into Uint8Array
     * @param buf - Output Uint8Array
     */
    digestInto(buf: TArg<Uint8Array>): void;
}
/** Streebog 256 aka `GOST R 34.11-2012 256 bits` */
export declare class Streebog256 extends Streebog<Streebog256> {
    /** Streebog 256 aka `GOST R 34.11-2012 256 bits` */
    constructor();
    /** Create hash instance */
    static create(): Streebog256;
    /** Clone hash instance */
    clone(): Streebog256;
    _cloneInto(to?: Streebog256): Streebog256;
}
/** Streebog 512 bit aka `GOST R 34.11-2012 512 bits` */
export declare class Streebog512 extends Streebog<Streebog512> {
    /** Streebog 512 bit aka `GOST R 34.11-2012 512 bits` */
    constructor();
    /** Create hash instance */
    static create(): Streebog512;
    /** Clone hash instance */
    clone(): Streebog512;
    _cloneInto(to?: Streebog512): Streebog512;
}
/**
 * Compute hash with `Streebog 256 bit` (aka `GOST R 34.11-2012 256 bits`)
 * @param input Input bytes
 */
export declare const streebog256: (input: TArg<Uint8Array>) => TRet<Uint8Array>;
/**
 * Compute hash with `Streebog 512 bit` (aka `GOST R 34.11-2012 512 bits`)
 * @param input Input bytes
 * @returns {Uint8Array}
 */
export declare const streebog512: (input: TArg<Uint8Array>) => TRet<Uint8Array>;
export * from "./hmac.js";
export * from "./kdf.js";
export * from "./pbkdf2.js";