Dart Requires Chilkat v11.0.0+
Dart
Load Encrypted PEM Containing ECC Private Key and Certs and Examine Contents
See more PEM Examples
Loads an encrypted PEM containing an ECC private key and ECC certificate (and chain), and examines the contents.Chilkat Dart Downloads
import 'package:chilkat/chilkat.dart';
void main() {
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Create a PEM containing a valid EC private key and certificates.
// The password for this encrypted PEM is "secret123"
final sb = CkStringBuilder();
final bCrlf = true;
sb.appendLine('-----BEGIN ENCRYPTED PRIVATE KEY-----', bCrlf);
sb.appendLine('MIGtMEkGCSqGSIb3DQEFDTA8MBsGCSqGSIb3DQEFDDAOBAiweNs9xIWNoAICCAAw', bCrlf);
sb.appendLine('HQYJYIZIAWUDBAECBBCz0IMryNxuJEo5ChMktg9cBGCsKDEeRqGJX4g/X2c6CNtK', bCrlf);
sb.appendLine('I8q7KClUwy9ms7ckHZAw/997WuW9QIGGnJEfHL/jSJsZViDwFAB4sunmdHSOTGMD', bCrlf);
sb.appendLine('3ZINNlkA+XobMaQtj1HNERtb1qskW1mf/X0sauw5aPA=', bCrlf);
sb.appendLine('-----END ENCRYPTED PRIVATE KEY-----', bCrlf);
sb.appendLine('-----BEGIN CERTIFICATE-----', bCrlf);
sb.appendLine('MIICzjCCAlOgAwIBAgIETULS8zAKBggqhkjOPQQDAzBtMQswCQYDVQQGEwJVUzEW', bCrlf);
sb.appendLine('MBQGA1UEChMNRW50cnVzdCwgSW5jLjEfMB0GA1UECxMWRm9yIFRlc3QgUHVycG9z', bCrlf);
sb.appendLine('ZXMgT25seTElMCMGA1UEAxMcRW50cnVzdCBFQ0MgRGVtb25zdHJhdGlvbiBDQTAe', bCrlf);
sb.appendLine('Fw0xNjAzMTgxMjM5MzFaFw0xNjA1MTcxMzA5MzFaMFgxHzAdBgNVBAsTFkZvciBU', bCrlf);
sb.appendLine('ZXN0IFB1cnBvc2VzIE9ubHkxHTAbBgNVBAsTFFBlcnNvbmEgTm90IFZlcmlmaWVk', bCrlf);
sb.appendLine('MRYwFAYDVQQDEw1DaGlsa2F0IEFkbWluMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAE', bCrlf);
sb.appendLine('uB62JGMJKXnp1PNsOOIYKGhrzfLev3O+UuthL6UzEqNNDTd8dEYMUQP/DTS3qk98', bCrlf);
sb.appendLine('gyQEFxdmZUsPF0fFokkZZ1cV6z7QD3MsPvSjrBzB0GUB3r8CLnDK/F4pF2Q995hr', bCrlf);
sb.appendLine('o4HYMIHVMA4GA1UdDwEB/wQEAwIDiDAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYB', bCrlf);
sb.appendLine('BQUHAwQwNwYDVR0fBDAwLjAsoCqgKIYmaHR0cDovL2NybC5lbnRydXN0LmNvbS9D', bCrlf);
sb.appendLine('UkwvZWNjZGVtby5jcmwwIAYDVR0RBBkwF4EVYWRtaW5AY2hpbGthdHNvZnQuY29t', bCrlf);
sb.appendLine('MB8GA1UdIwQYMBaAFCQFS+Fkghr4Ccz7eHkh+nDmkzLqMB0GA1UdDgQWBBTB82fm', bCrlf);
sb.appendLine('vrdG2iX5uS/agVW3L4DisjAJBgNVHRMEAjAAMAoGCCqGSM49BAMDA2kAMGYCMQCH', bCrlf);
sb.appendLine('ILghMprWoYPEp9mCE+tpVE7vYwkFV3m0RDzT2BSUezL8Ky78XNk+XPqSB2biT70C', bCrlf);
sb.appendLine('MQDCase1oaPY4AxCmjB+rEB1ir+QS8mrtF+iCSqHVv1aIxT6abQL57BZSdvwIm/T', bCrlf);
sb.appendLine('T8o=', bCrlf);
sb.appendLine('-----END CERTIFICATE-----', bCrlf);
sb.appendLine('-----BEGIN CERTIFICATE-----', bCrlf);
sb.appendLine('MIICljCCAhugAwIBAgIETUHhezAKBggqhkjOPQQDAzBtMQswCQYDVQQGEwJVUzEW', bCrlf);
sb.appendLine('MBQGA1UEChMNRW50cnVzdCwgSW5jLjEfMB0GA1UECxMWRm9yIFRlc3QgUHVycG9z', bCrlf);
sb.appendLine('ZXMgT25seTElMCMGA1UEAxMcRW50cnVzdCBFQ0MgRGVtb25zdHJhdGlvbiBDQTAe', bCrlf);
sb.appendLine('Fw0xMTAxMjcyMDQ5NTRaFw0zNjAxMjcyMTE5NTRaMG0xCzAJBgNVBAYTAlVTMRYw', bCrlf);
sb.appendLine('FAYDVQQKEw1FbnRydXN0LCBJbmMuMR8wHQYDVQQLExZGb3IgVGVzdCBQdXJwb3Nl', bCrlf);
sb.appendLine('cyBPbmx5MSUwIwYDVQQDExxFbnRydXN0IEVDQyBEZW1vbnN0cmF0aW9uIENBMHYw', bCrlf);
sb.appendLine('EAYHKoZIzj0CAQYFK4EEACIDYgAEhCWBpuJuzvRtQyibkcbCj7EkcwAqS2EqRQ/Q', bCrlf);
sb.appendLine('ntroTdRM2SssEN4TruTxtwcY/7lR64L6Tfjz3+ujrfjNFss3EWVpUlbOJ+xHC3xH', bCrlf);
sb.appendLine('PteNyAGZtHbZO3tVuhP6yX6dFqCCo4GLMIGIMCsGA1UdEAQkMCKADzIwMTEwMTI3', bCrlf);
sb.appendLine('MjA0OTU0WoEPMjAzNjAxMjcyMTE5NTRaMAsGA1UdDwQEAwIBBjAfBgNVHSMEGDAW', bCrlf);
sb.appendLine('gBQkBUvhZIIa+AnM+3h5Ifpw5pMy6jAdBgNVHQ4EFgQUJAVL4WSCGvgJzPt4eSH6', bCrlf);
sb.appendLine('cOaTMuowDAYDVR0TBAUwAwEB/zAKBggqhkjOPQQDAwNpADBmAjEAyAhA70OIb6lb', bCrlf);
sb.appendLine('fN6kOTQloHyCLmihNK+PT5wOuaMR//KSQP2c/H18YhDYnlwMxF9fAjEA0URaJOXM', bCrlf);
sb.appendLine('F0qwdvS2rm7N5PWMLc/4BbeOZyZ94XJiG5u96iTgp6N9JI0MMmCQE87N', bCrlf);
sb.appendLine('-----END CERTIFICATE-----', bCrlf);
final pem = CkPem();
try {
pem.loadPem(sb.getAsString(), 'secret123');
} on ChilkatException catch (e) {
print(e.lastErrorText);
return;
}
// Get the private key and examine it in JSON Web Key form (JWK)
final privKey = CkPrivateKey();
try {
pem.privateKeyAt(0, privKey);
} on ChilkatException catch (e) {
print(e.lastErrorText);
return;
}
final json = CkJsonObject();
json.load(privKey.getJwk());
json.emitCompact = false;
print(json.emit());
// JWK output:
// {
// "kty": "EC",
// "crv": "P-384",
// "x": "uB62JGMJKXnp1PNsOOIYKGhrzfLev3O-UuthL6UzEqNNDTd8dEYMUQP_DTS3qk98",
// "y": "gyQEFxdmZUsPF0fFokkZZ1cV6z7QD3MsPvSjrBzB0GUB3r8CLnDK_F4pF2Q995hr",
// "d": "ugTy2ZpuQqv1uQyLSgz1SPRvngzrd5vLyzU2ICaJd25zZRIxxlNR-uFo9UWC6llt"
// }
// Now get 1st certificate and examine in XML format:
final cert = CkCert();
try {
pem.certAt(0, cert);
} on ChilkatException catch (e) {
print(e.lastErrorText);
return;
}
final certXml = cert.exportCertXml();
print(certXml);
// XML output:
// <?xml version="1.0" encoding="utf-8" ?>
// <sequence>
// <sequence>
// <contextSpecific tag="0" constructed="1">
// <int>02</int>
// </contextSpecific>
// <int>4D42D2F3</int>
// <sequence>
// <oid>1.2.840.10045.4.3.3</oid>
// </sequence>
// <sequence>
// <set>
// <sequence>
// <oid>2.5.4.6</oid>
// <printable>US</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.10</oid>
// <printable>Entrust, Inc.</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.11</oid>
// <printable>For Test Purposes Only</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.3</oid>
// <printable>Entrust ECC Demonstration CA</printable>
// </sequence>
// </set>
// </sequence>
// <sequence>
// <utctime>160318123931Z</utctime>
// <utctime>160517130931Z</utctime>
// </sequence>
// <sequence>
// <set>
// <sequence>
// <oid>2.5.4.11</oid>
// <printable>For Test Purposes Only</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.11</oid>
// <printable>Persona Not Verified</printable>
// </sequence>
// </set>
// <set>
// <sequence>
// <oid>2.5.4.3</oid>
// <printable>Chilkat Admin</printable>
// </sequence>
// </set>
// </sequence>
// <sequence>
// <sequence>
// <oid>1.2.840.10045.2.1</oid>
// <oid>1.3.132.0.34</oid>
// </sequence>
// <bits n="776">04B81EB62463092979E9D4F36C38E21828686BCDF2DEBF73BE52EB612FA53312A34D0D377C74460C5103FF0D34B7AA4F7C832404171766654B0F1747C5A24919675715EB3ED00F732C3EF4A3AC1CC1D06501DEBF022E70CAFC5E2917643DF7986B</bits>
// </sequence>
// <contextSpecific tag="3" constructed="1">
// <sequence>
// <sequence>
// <oid>2.5.29.15</oid>
// <bool>1</bool>
// <octets>AwIDiA==</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.37</oid>
// <octets>MBQGCCsGAQUFBwMCBggrBgEFBQcDBA==</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.31</oid>
// <octets>MC4wLKAqoCiGJmh0dHA6Ly9jcmwuZW50cnVzdC5jb20vQ1JML2VjY2RlbW8uY3Js</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.17</oid>
// <octets>MBeBFWFkbWluQGNoaWxrYXRzb2Z0LmNvbQ==</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.35</oid>
// <octets>MBaAFCQFS+Fkghr4Ccz7eHkh+nDmkzLq</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.14</oid>
// <octets>BBTB82fmvrdG2iX5uS/agVW3L4Disg==</octets>
// </sequence>
// <sequence>
// <oid>2.5.29.19</oid>
// <octets>MAA=</octets>
// </sequence>
// </sequence>
// </contextSpecific>
// </sequence>
// <sequence>
// <oid>1.2.840.10045.4.3.3</oid>
// </sequence>
// <bits n="832">30660231008720B821329AD6A183C4A7D98213EB69544EEF6309055779B4443CD3D814947B32FC2B2EFC5CD93E5CFA920766E24FBD023100C26AC7B5A1A3D8E00C429A307EAC40758ABF904BC9ABB45FA2092A8756FD5A2314FA69B40BE7B05949DBF0226FD34FCA</bits>
// </sequence>
//
//
//
}