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1import { NativeResource } from "./native_resource";2import { Hashable } from "../common/crypto";3export { Hashable } from "../common/crypto";4/**5 * Object that allows for continuous hashing of data.6 *7 * @internal8 */9declare abstract class Hash extends NativeResource {10    /**11     * Hash additional data.12     * @param data Additional data to hash13     */14    update(data: Hashable): void;15    /**16     * Completes the hash computation and returns the final hash digest.17     *18     * @param truncate_to The maximum number of bytes to receive. Leave as undefined or 0 to receive the entire digest.19     */20    finalize(truncate_to?: number): DataView;21    constructor(hash_handle: any);22}23/**24 * Object that allows for continuous MD5 hashing of data.25 *26 * @category Crypto27 */28export declare class Md5Hash extends Hash {29    constructor();30}31/**32 * Computes an MD5 hash. Use this if you don't need to stream the data you're hashing and can load the entire input33 * into memory.34 *35 * @param data The data to hash36 * @param truncate_to The maximum number of bytes to receive. Leave as undefined or 0 to receive the entire digest.37 *38 * @category Crypto39 */40export declare function hash_md5(data: Hashable, truncate_to?: number): DataView;41/**42 * Object that allows for continuous SHA256 hashing of data.43 *44 * @category Crypto45 */46export declare class Sha256Hash extends Hash {47    constructor();48}49/**50 * Computes an SHA256 hash. Use this if you don't need to stream the data you're hashing and can load the entire input51 * into memory.52 *53 * @param data The data to hash54 * @param truncate_to The maximum number of bytes to receive. Leave as undefined or 0 to receive the entire digest.55 *56 * @category Crypto57 */58export declare function hash_sha256(data: Hashable, truncate_to?: number): DataView;59/**60 * Object that allows for continuous SHA1 hashing of data.61 *62 * @category Crypto63 */64export declare class Sha1Hash extends Hash {65    constructor();66}67/**68 * Computes an SHA1 hash. Use this if you don't need to stream the data you're hashing and can load the entire input69 * into memory.70 *71 * @param data The data to hash72 * @param truncate_to The maximum number of bytes to receive. Leave as undefined or 0 to receive the entire digest.73 *74 * @category Crypto75 */76export declare function hash_sha1(data: Hashable, truncate_to?: number): DataView;77/**78 * Object that allows for continuous hashing of data with an hmac secret.79 *80 * @category Crypto81 */82declare abstract class Hmac extends NativeResource {83    /**84     * Hash additional data.85     *86     * @param data additional data to hash87     */88    update(data: Hashable): void;89    /**90     * Completes the hash computation and returns the final hmac digest.91     *92     * @param truncate_to The maximum number of bytes to receive. Leave as undefined or 0 to receive the entire digest.93     */94    finalize(truncate_to?: number): DataView;95    constructor(hash_handle: any);96}97/**98 * Object that allows for continuous SHA256 HMAC hashing of data.99 *100 * @category Crypto101 */102export declare class Sha256Hmac extends Hmac {103    constructor(secret: Hashable);104}105/**106 * Computes an SHA256 HMAC. Use this if you don't need to stream the data you're hashing and can load the entire input107 * into memory.108 *109 * @param secret The key to use for the HMAC process110 * @param data The data to hash111 * @param truncate_to The maximum number of bytes to receive. Leave as undefined or 0 to receive the entire digest.112 *113 * @category Crypto114 */115export declare function hmac_sha256(secret: Hashable, data: Hashable, truncate_to?: number): DataView;116