Dart Requires Chilkat v11.0.0+

Set .pfx/.p12 Safe Bag Attributes

See more PFX/P12 Examples

Demonstrates how to set safebag attributes in a .pfx/.p12. This example creates a .pfx from a .pem containing a private key and certificates, but also sets PFX safebag attributes before writing the .pfx. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // We have a PEM containing one private key, and two certificates:
  // The private key is an ECDSA private key.
  // The private key is associated with the 1st certificate.
  // The 2nd certificate is the issuer of the 1st certificate.

  // -----BEGIN PRIVATE KEY-----
  // ME0CAQAwEwYHKoZIzj0CAQYIKoZIzj0DAQcEMzAxAgEBBCDgAn4Dal+0iEhIsYBk
  // 6SdSR344vyj0suhOIxsjmM19s6AKBggqhkjOPQMBBw==
  // -----END PRIVATE KEY-----
  // -----BEGIN CERTIFICATE-----
  // MIIBXzCCAQSgAwIBAgIUGp2obfF61BG7QTsqpyT+VvxxJC0wCgYIKoZIzj0EAwIw
  // DTELMAkGA1UEAwwCQ0EwHhcNMjAwMzI5MTU1MTEwWhcNMzAwMzI3MTU1MTEwWjAN
  // MQswCQYDVQQDDAJFRTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABEil+DhBUss8
  // kMCjEWvZHA+jdy1mQ76a2HFd+5p+AcFGQxNeG8/HXZax7FFzcrczWrli25R8P8j1
  // cqhwPY4HtwujQjBAMB0GA1UdDgQWBBTenwm6x4A4W5BzZ2OckKA2IFtPSTAfBgNV
  // HSMEGDAWgBTx1U/gWiRhAASl6FV04DxP3XmcazAKBggqhkjOPQQDAgNJADBGAiEA
  // rkqbz5t1M/CjqXSKE5ebBLQ3npF+q7GRC8C2ovDi/xoCIQDGve7OP/ppIDcCNonr
  // +WSRf5M/6Wvw1lnEsAXf3nLTeQ==
  // -----END CERTIFICATE-----
  // -----BEGIN CERTIFICATE-----
  // MIIBcDCCARWgAwIBAgIUAnQiKKy/PdLnH0A6vYKBq21w1JAwCgYIKoZIzj0EAwIw
  // DTELMAkGA1UEAwwCQ0EwHhcNMjAwMzI5MTU1MTEwWhcNMzAwMzI3MTU1MTEwWjAN
  // MQswCQYDVQQDDAJDQTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPB6yVvqt8cL
  // EneRtnjoi87H0ATi+JP1w2qkz4GLOaPtFxAnV0LdQCuN91SGbAlKrSkhFyWWimjh
  // Rqe9+b/1WCijUzBRMB0GA1UdDgQWBBTx1U/gWiRhAASl6FV04DxP3XmcazAfBgNV
  // HSMEGDAWgBTx1U/gWiRhAASl6FV04DxP3XmcazAPBgNVHRMBAf8EBTADAQH/MAoG
  // CCqGSM49BAMCA0kAMEYCIQCcIfssfrOruVYvqhxbLGeyc5ppEX53zUU35wIE2t7C
  // fAIhAKhOTEvN+pdEn+cNwW3AEi7D08ZUQx3P80i4EnFPs0OQ
  // -----END CERTIFICATE-----

  final pfx = CkPfx();
  final sbPem = CkStringBuilder();
  try {
    sbPem.loadFile('qa_data/pfx/test_ecdsa.pem', 'utf-8');
  } on ChilkatException {
    print('Failed to load the PEM file.');
    return;
  }

  // The PEM in this example is unencrypted.  There is no password.
  final password = '';
  try {
    pfx.loadPem(sbPem.getAsString(), password);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Let's add some safebag attributes for the private key...
  var forPrivateKey = true;
  final keyIdx = 0;
  try {
    pfx.setSafeBagAttr(forPrivateKey, keyIdx, 'localKeyId', '16777216', 'decimal');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  try {
    pfx.setSafeBagAttr(forPrivateKey, keyIdx, 'keyContainerName', '{B99EB9E7-6AF7-42AF-A43A-D4B2225B7605}', 'ascii');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  try {
    pfx.setSafeBagAttr(forPrivateKey, keyIdx, 'storageProvider', 'Microsoft Software Key Storage Provider', 'ascii');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Add the localKeyId safebag attribute to the 1st certificate.
  forPrivateKey = false;
  final certIdx = 0;
  try {
    pfx.setSafeBagAttr(forPrivateKey, certIdx, 'localKeyId', '16777216', 'decimal');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Write the pfx.
  try {
    pfx.toFile('secret', 'qa_output/ee.pfx');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Let's load the .pfx we just wrote to see if the safebag attributes exist.
  final pfx2 = CkPfx();
  try {
    pfx2.loadPfxFile('qa_output/ee.pfx', 'secret');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Information about the contents of the PFX was collected in the call to LoadPfxFile.
  final json = CkJsonObject();
  pfx2.getLastJsonData(json);

  json.emitCompact = false;
  print(json.emit());

  // Shows what's in the PFX just loaded:

  // {
  //   "authenticatedSafe": {
  //     "contentInfo": [
  //       {
  //         "type": "Data",
  //         "safeBag": [
  //           {
  //             "type": "pkcs8ShroudedKeyBag",
  //             "attrs": {
  //               "keyContainerName": "{B99EB9E7-6AF7-42AF-A43A-D4B2225B7605}",
  //               "msStorageProvider": "Microsoft Software Key Storage Provider",
  //               "localKeyId": "16777216"
  //             }
  //           }
  //         ]
  //       },
  //       {
  //         "type": "EncryptedData",
  //         "safeBag": [
  //           {
  //             "type": "certBag",
  //             "attrs": {
  //               "localKeyId": "16777216"
  //             },
  //             "subject": "EE",
  //             "serialNumber": "1a9da86df17ad411bb413b2aa724fe56fc71242d"
  //           },
  //           {
  //             "type": "certBag",
  //             "subject": "CA",
  //             "serialNumber": "02742228acbf3dd2e71f403abd8281ab6d70d490"
  //           }
  //         ]
  //       }
  //     ]
  //   }
  // }
}