/*! Copyright 2023-2025 the gnablib contributors MPL-1.1 */
import type { IHash } from '../interfaces/IHash.js';
import { U64MutArray } from '../../primitive/number/U64.js';
type iv32 = (state: Uint32Array) => void;
type iv64 = (state: U64MutArray) => void;
declare class Sha2_32bit implements IHash {
    #private;
    readonly size: number;
    readonly blockSize = 64;
    private _ingestBytes;
    private _bPos;
    constructor(digestSize: number, iv: iv32);
    private hash;
    write(data: Uint8Array): void;
    sum(): Uint8Array;
    sumIn(): Uint8Array;
    reset(): void;
    newEmpty(): IHash;
    clone(): IHash;
}
declare class Sha2_64bit implements IHash {
    #private;
    readonly size: number;
    readonly blockSize = 128;
    private _ingestBytes;
    private _bPos;
    constructor(digestSize: number, iv: iv64);
    private hash;
    write(data: Uint8Array): void;
    sum(): Uint8Array;
    sumIn(): Uint8Array;
    reset(): void;
    newEmpty(): IHash;
    clone(): IHash;
}
export declare class Sha224 extends Sha2_32bit {
    constructor();
    private static iv;
}
export declare class Sha256 extends Sha2_32bit {
    constructor();
    private static iv;
}
export declare class Sha384 extends Sha2_64bit {
    constructor();
    private static iv;
}
export declare class Sha512 extends Sha2_64bit {
    constructor();
    private static iv;
}
export declare class Sha512_224 extends Sha2_64bit {
    constructor();
    private static iv;
}
export declare class Sha512_256 extends Sha2_64bit {
    constructor();
    private static iv;
}
export {};