(Node.js) Hash the Contents of a String (SHA256 and other hash algorithms)

Demonstrates how to hash the contents of a string using SHA256, SHA384, SHA512, MD2, MD5, HAVAL, RIPEMD, etc.

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 requires the Chilkat Crypt API to have been previously unlocked.
    // See Unlock Chilkat Crypt for sample code.

    var crypt = new chilkat.Crypt2();

    // Choose the hash algorithm.
    // Can be  "sha1", "sha256", "sha384", "sha512", "md2", "md5", "haval", "ripemd128", "ripemd160","ripemd256", or "ripemd320".
    crypt.HashAlgorithm = "sha256";

    // The byte representation of the string matters when hashing. 
    // Tell Chilkat that we want to use the utf-8 byte representation.
    crypt.Charset = "utf-8";

    hashBytes = crypt.HashString("They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.");

    // Let's examine the hash as a hex string.
    var sb = new chilkat.StringBuilder();
    sb.AppendEncoded(hashBytes,"hex");
    console.log("SHA256 hash = " + sb.GetAsString());

}

chilkatExample();