(Node.js) Hash File: SHA-1, HAVAL, MD2, MD5, SHA-256, SHA-384, SHA-512

Computing the hash for a file of any size.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var crypt = new chilkat.Crypt2();

    // Any type of file may be hashed.
    // There is  no size limitation because the file is consumed
    // in streaming mode internally.
    var filename;
    filename = "something.zip";

    crypt.HashAlgorithm = "sha1";
    crypt.EncodingMode = "hex";

    // Other possible EncodingMode settings are: 
    // "quoted-printable", "base64", "base32", and "url"

    var hash = crypt.HashFileENC(filename);
    console.log("SHA1:");
    console.log(hash);

    // Hash using MD2
    crypt.HashAlgorithm = "md2";
    hash = crypt.HashFileENC(filename);
    console.log("MD2:");
    console.log(hash);

    // Hash using MD5
    crypt.HashAlgorithm = "md5";
    hash = crypt.HashFileENC(filename);
    console.log("MD5:");
    console.log(hash);

    // Hash using SHA-256
    crypt.HashAlgorithm = "sha256";
    hash = crypt.HashFileENC(filename);
    console.log("SHA256:");
    console.log(hash);

    // Hash using SHA-384
    crypt.HashAlgorithm = "sha384";
    hash = crypt.HashFileENC(filename);
    console.log("SHA384:");
    console.log(hash);

    // Hash using SHA-512
    crypt.HashAlgorithm = "sha512";
    hash = crypt.HashFileENC(filename);
    console.log("SHA512:");
    console.log(hash);

    // Hash using HAVAL
    // There are two additional properties relevant to HAVAL:
    // HavalRounds, and KeyLength.
    // HavalRounds can have values of 3, 4, or 5.
    // KeyLength can have values of 128, 160, 192, 224, or 256
    crypt.HashAlgorithm = "haval";
    crypt.HavalRounds = 5;
    crypt.KeyLength = 256;
    hash = crypt.HashFileENC(filename);
    console.log("Haval:");
    console.log(hash);

}

chilkatExample();