Delphi DLL

Example: Crypt2.DecryptStringENC method

Demonstrates how to call the DecryptStringENC method. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Crypt2;

...

procedure TForm1.Button1Click(Sender: TObject);
var
crypt: HCkCrypt2;
encodedEncrypted: PWideChar;
originalText: PWideChar;

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

crypt := CkCrypt2_Create();

CkCrypt2_putCryptAlgorithm(crypt,'aes');
CkCrypt2_putCipherMode(crypt,'cbc');
CkCrypt2_putKeyLength(crypt,128);
CkCrypt2_SetEncodedKey(crypt,'000102030405060708090A0B0C0D0E0F','hex');
CkCrypt2_SetEncodedIV(crypt,'000102030405060708090A0B0C0D0E0F','hex');
CkCrypt2_putEncodingMode(crypt,'base64');

// Return the base64 encoded encrypted bytes
encodedEncrypted := CkCrypt2__encryptStringENC(crypt,'Hello World!');
Memo1.Lines.Add('Encrypted: ' + encodedEncrypted);

// Output:
// Encrypted: qiq+IFhcjTkEIkZyf31V/g==

// Decrypt
originalText := CkCrypt2__decryptStringENC(crypt,encodedEncrypted);

Memo1.Lines.Add('Decrypted: ' + originalText);

// Output:
// Decrypted: Hello World!

CkCrypt2_Dispose(crypt);

end;