(Node.js) Hash (Digest) a String

Hash the bytes of a string.

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() {

    var sb = new chilkat.StringBuilder();

    sb.Append("Hello World");

    // Hashing algorithms (i.e. digest algorithms) operate on raw bytes.
    // Therefore, we must specify the character encoding (utf-8, utf-16, iso-8859-1, etc.) to be used when hashing.

    // Get the SHA256 hash in hex
    var sha256_hex = sb.GetHash("sha256","hex","utf-8");
    console.log("SHA256: " + sha256_hex);

    // Get the SHA384 hash in hex lowercase
    var sha384_hex = sb.GetHash("sha384","hex_lower","utf-8");
    console.log("SHA384: " + sha384_hex);

    // Get the SHA512 hash in base64
    var sha512_base64 = sb.GetHash("sha512","base64","utf-8");
    console.log("SHA512: " + sha512_base64);

    // Get the SHA1 hash in hex lowercase
    var sha1_hex = sb.GetHash("sha1","hex_lower","utf-8");
    console.log("SHA1: " + sha1_hex);

    // Get the CRC8 digest in decimal
    var crc8_decimal = sb.GetHash("crc8","decimal","utf-8");
    console.log("CRC8: " + crc8_decimal);

}

chilkatExample();