Android™
Android™
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 Android™ Downloads
// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;
import android.app.Activity;
import com.chilkatsoft.*;
import android.widget.TextView;
import android.os.Bundle;
public class SimpleActivity extends Activity {
private static final String TAG = "Chilkat";
// Called when the activity is first created.
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
boolean success = false;
// 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();
success = pem.LoadPem(sb.getAsString(),"secret123");
if (success == false) {
Log.i(TAG, pem.lastErrorText());
return;
}
// Get the private key and examine it in JSON Web Key form (JWK)
CkPrivateKey privKey = new CkPrivateKey();
success = pem.PrivateKeyAt(0,privKey);
if (success == false) {
Log.i(TAG, pem.lastErrorText());
return;
}
CkJsonObject json = new CkJsonObject();
json.Load(privKey.getJwk());
json.put_EmitCompact(false);
Log.i(TAG, 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 = new CkCert();
success = pem.CertAt(0,cert);
if (success == false) {
Log.i(TAG, pem.lastErrorText());
return;
}
String certXml = cert.exportCertXml();
Log.i(TAG, 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>
//
//
//
}
static {
System.loadLibrary("chilkat");
// Note: If the incorrect library name is passed to System.loadLibrary,
// then you will see the following error message at application startup:
//"The application <your-application-name> has stopped unexpectedly. Please try again."
}
}