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(Delphi ActiveX) Everyware API RSA Encrypt JSONSee more RSA ExamplesDemonstrates how to RSA encrypt JSON using everyware.com's RSA public key.Note: This example requires Chilkat v11.0.0 or greater. For more information, see https://docs.everyware.com/docs/access-iframe#sample-json--encrypted-payload
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 success: Integer; json: TChilkatJsonObject; dt: TCkDateTime; sb: TChilkatStringBuilder; bCrlf: Integer; pubkey: TPublicKey; rsa: TChilkatRsa; encryptedJson: WideString; sbUrl: TChilkatStringBuilder; begin success := 0; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // First build the JSON to be encrypted. json := TChilkatJsonObject.Create(Self); json.UpdateString('provider_key','USER GUID HERE'); json.UpdateString('menu_item','payment'); dt := TCkDateTime.Create(Self); dt.SetFromCurrentSystemTime(); json.UpdateString('date_time',dt.GetAsUnixTimeStr(0)); // This build JSON like the following: // { // "provider_key": "USER GUID HERE", // "menu_item": "payment", // "date_time": "1588163411" // } // When we sign, we'll want to sign the most compact JSON possible json.EmitCompact := 1; // Everyware's RSA public key is at: https://docs.everyware.com/docs/everyware-public-rsa-key sb := TChilkatStringBuilder.Create(Self); bCrlf := 1; sb.AppendLine('-----BEGIN PUBLIC KEY-----',bCrlf); sb.AppendLine('MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxNbflxUSWQ3XJ1N9dAoh',bCrlf); sb.AppendLine('k+uaiFsg3wkPi9LGS/mH8DtHBgZxKyz+oQBDtnDd9FDEo0ql7MMgCMsTAv27W5vk',bCrlf); sb.AppendLine('Pu0rm6zhcTeYquWEuVCS7VtVsyTATr0Z9WhqNeZlIRurovJAXl2jRDX6QeY5dayC',bCrlf); sb.AppendLine('ubwyG4lBWE4fCakGY6zlh+oaElK0rvblqjYoEg3dn4KPRCYGof8OFxLptHThD4cE',bCrlf); sb.AppendLine('T30j+utVafhO0HRyJ4iR3Pigb4GXdWBtJEEEWddZJizMkjFQkyUAoYLOT8EJ2TW3',bCrlf); sb.AppendLine('Tz8SvAuHBUEFcPWTSTMAG/bSp5wrYBTXaeEhx+wrYa60OruHuzgmhzKyQVuYlCNJ',bCrlf); sb.AppendLine('HdbnassuIRjjSNo25o4AdSlWwpGfBZjAiyEInR+KGpHdhKTxSekJxiwiXUS0UfSG',bCrlf); sb.AppendLine('prOpd5PzWaAR7DvjLsdmR9XffxvJCVxC735gLK7hDJKjCajDPHVDr8FSL8xMlrq0',bCrlf); sb.AppendLine('nKxtsHeRl1yzoGrRr12+9MiQnHtpqROTNXcXdwe3v+Vh8V5k8v8oIrcgh1+/N7Bd',bCrlf); sb.AppendLine('NiRsy1gFHBdu/he/KcDRT/9/acQFMPLQueGfZxUvU5As6pEONjtKX2MUg2fMF6Rc',bCrlf); sb.AppendLine('sQVVrLzg0g7EcuHGfuPeKfD/716MvS8NU7rX+2soijCSQv/e18PJPMVDlcMXjnup',bCrlf); sb.AppendLine('PPx1tStemesavFlj1okhS6UCAwEAAQ==',bCrlf); sb.AppendLine('-----END PUBLIC KEY-----',bCrlf); pubkey := TPublicKey.Create(Self); success := pubkey.LoadFromString(sb.GetAsString()); if (success = 0) then begin Memo1.Lines.Add(pubkey.LastErrorText); Exit; end; rsa := TChilkatRsa.Create(Self); success := rsa.UsePublicKey(pubkey.ControlInterface); if (success = 0) then begin Memo1.Lines.Add(rsa.LastErrorText); Exit; end; // We probably need a base64Url encoded encrypted key. // Using straight-up base64 would potenially include chars that are not URL safe (i.e. have special meanings in URLs) rsa.EncodingMode := 'base64url'; encryptedJson := rsa.EncryptStringENC(json.Emit(),0); // Build the URL // Such as: https://portal.everyware.com/Account/LoginMenu?data={Base64Url_encrypted_JSON} sbUrl := TChilkatStringBuilder.Create(Self); sbUrl.Append('https://portal.everyware.com/Account/LoginMenu?data='); sbUrl.Append(encryptedJson); Memo1.Lines.Add(sbUrl.GetAsString()); end; |
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