(Go) Encrypt / Decrypt a File and Verify it has not Changed

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

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

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

    var success bool
    crypt := chilkat.NewCrypt2()

    crypt.SetCryptAlgorithm("aes")
    crypt.SetCipherMode("cbc")
    crypt.SetKeyLength(128)
    crypt.SetPaddingScheme(0)

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

    keyHex := "00010203040506071011121314151617"
    crypt.SetEncodedKey(keyHex,"hex")

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

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

    fac := chilkat.NewFileAccess()
    bEqual := fac.FileContentsEqual(dataFile,outFile2)
    if bEqual != true {
        fmt.Println("Decrypted file not equal to the original.")
    }
    else {
        fmt.Println("Success.")
    }


    crypt.DisposeCrypt2()
    fac.DisposeFileAccess()