(Delphi ActiveX) UN/EDIFACT Syntax Level A Encoding/Decoding

Demonstrates the new "eda" encoding that can be used throughout Chilkat starting in v9.5.0.65.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
sb: TChilkatStringBuilder;
crypt: TChilkatCrypt2;
ivHex: WideString;
keyHex: WideString;
encStr: WideString;
decStr: WideString;

begin
// Note: Requires Chilkat v9.5.0.65 or greater.

sb := TChilkatStringBuilder.Create(Self);
sb.Append('The 5 men of 223rd St');
Memo1.Lines.Add(sb.GetAsString());

// Encode the utf-8 byte representation of the string in the 
// UN/EDIFACT syntax level A character set.
sb.Encode('eda','utf-8');
Memo1.Lines.Add(sb.GetAsString());

// EDA Output should be: BTME027FCF6CFARFI94JT6.)F(14KJ2U

// Decode back to the original string.
sb.Decode('eda','utf-8');
Memo1.Lines.Add(sb.GetAsString());
Memo1.Lines.Add('----');

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

// The "eda" encoding can be used anywhere within Chilkat.
// For example, with the Crypt2 API
crypt := TChilkatCrypt2.Create(Self);
crypt.CryptAlgorithm := 'aes';
crypt.CipherMode := 'cbc';
crypt.KeyLength := 256;
crypt.EncodingMode := 'eda';

ivHex := '000102030405060708090A0B0C0D0E0F';
crypt.SetEncodedIV(ivHex,'hex');
keyHex := '000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F';
crypt.SetEncodedKey(keyHex,'hex');

encStr := crypt.EncryptStringENC('The quick brown fox jumps over the lazy dog.');
// The output is UN/EDIFACT syntax level A 
Memo1.Lines.Add(encStr);

// Now decrypt:
decStr := crypt.DecryptStringENC(encStr);
Memo1.Lines.Add(decStr);
end;