(Java) Load Encrypted PEM Containing ECC Private Key and Certs and Examine Contents

Loads an encrypted PEM containing an ECC private key and ECC certificate (and chain), and examines the contents.

Note: This example requires Chilkat v9.5.0.66.

Chilkat Java Downloads Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // Note: This example requires Chilkat v9.5.0.66.

    // 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"

    CkStringBuilder sb = new CkStringBuilder();
    boolean 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);

    CkPem pem = new CkPem();
    boolean success = pem.LoadPem(sb.getAsString(),"secret123");
    if (success != true) {
        System.out.println(pem.lastErrorText());
        return;
        }

    // Get the private key and examine it in JSON Web Key form (JWK)
    CkPrivateKey privKey = pem.GetPrivateKey(0);
    if (pem.get_LastMethodSuccess() != true) {
        System.out.println(pem.lastErrorText());
        return;
        }

    CkJsonObject json = new CkJsonObject();
    json.Load(privKey.getJwk());
    json.put_EmitCompact(false);
    System.out.println(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:
    CkCert cert = pem.GetCert(0);
    if (pem.get_LastMethodSuccess() != true) {
        System.out.println(pem.lastErrorText());
        return;
        }

    String certXml = cert.exportCertXml();

    System.out.println(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>
    // 
    // 
    // 
  }
}