Node.js

Encrypt / Decrypt a File and Verify it has not Changed

See more Encryption Examples

Demonstrates how to encrypt and decrypt a file, and verify it has not changed. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var crypt = new chilkat.Crypt2();

    crypt.CryptAlgorithm = "aes";
    crypt.CipherMode = "cbc";
    crypt.KeyLength = 128;
    crypt.PaddingScheme = 0;

    var ivHex = "000102030405060708090A0B0C0D0E0F";
    crypt.SetEncodedIV(ivHex,"hex");

    var keyHex = "00010203040506071011121314151617";
    crypt.SetEncodedKey(keyHex,"hex");

    var dataFile = "qa_data/zips/HBIQ040615300005.ZIP";
    var outFile = "qa_output/HBIQ040615300005.enc";
    var outFile2 = "qa_output/HBIQ040615300005.ZIP";

    success = crypt.CkEncryptFile(dataFile,outFile);
    success = crypt.CkDecryptFile(outFile,outFile2);

    var fac = new chilkat.FileAccess();
    var bEqual = fac.FileContentsEqual(dataFile,outFile2);
    if (bEqual !== true) {
        console.log("Decrypted file not equal to the original.");
    }
    else {
        console.log("Success.");
    }


}

chilkatExample();