/**
 * Streebog core class
 */
export declare class Streebog {
    private is512;
    buffer: Uint8Array;
    readonly blockLen = 64;
    outputLen: number;
    /**
     * Streebog core constructor
     * @param is512 Use 512 bits version of algorithm
     */
    constructor(is512: boolean);
    /** Reset hash state */
    reset(): void;
    /** Reset hash state */
    destroy(): void;
    /** Update hash buffer */
    update(data: Uint8Array): this;
    /** Finalize hash computation and return result as Uint8Array */
    digest(): Uint8Array;
    /**
     * Finalize hash computation and write result into Uint8Array
     * @param buf - Output Uint8Array
     */
    digestInto(buf: Uint8Array): Uint8Array;
}
/** Streebog 256 aka `GOST R 34.11-2012 256 bits` */
export declare class Streebog256 extends Streebog {
    /** 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 {
    /** 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: Uint8Array) => 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: Uint8Array) => Uint8Array;
export * from "./hmac";
export * from "./kdf";
export * from "./pbkdf2";