Delphi DLL

Workaround for the deprecated Crypt2.HashBytesENC method

Shows how to replace the deprecated HashBytesENC method. (Chilkat is moving away from the use of CkByteData.) Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
crypt: HCkCrypt2;
path: PWideChar;
inData: HCkByteData;
base64_hash: PWideChar;
bdIn: HCkBinData;

begin
crypt := CkCrypt2_Create();

CkCrypt2_putHashAlgorithm(crypt,'sha256');
CkCrypt2_putEncodingMode(crypt,'base64');

path := 'c:/someDir/example.dat';

// ------------------------------------------------------------------------
// The HashBytes method is deprecated:

inData := CkByteData_Create();
CkByteData_loadFile(inData,path);

base64_hash := CkCrypt2__hashBytesENC(crypt,inData);

// ------------------------------------------------------------------------
// Workaround.
// (Chilkat is moving away from using CkByteData)

bdIn := CkBinData_Create();
CkBinData_LoadFile(bdIn,path);

base64_hash := CkCrypt2__hashBdENC(crypt,bdIn);

CkCrypt2_Dispose(crypt);
CkByteData_Dispose(inData);
CkBinData_Dispose(bdIn);

end;