(Android™) Duplicate OpenSSL smime Command

Demonstrates how to duplicate an OpenSSL smime command to sign a text file using cert + key.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// 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);

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example duplicates the following OpenSSL command:
    // 
    // smime -sign -in helloWorld.txt -signer cert.pem -inkey my.key -passin pass:test1234 -outform PEM -out helloWorldSigned.pem

    String certPath = "qa_data/cert.pem";
    String privateKeyPath = "qa_data/my.key";
    String password = "test1234";
    String dataFile = "qa_data/helloWorld.txt";

    CkCert cert = new CkCert();
    boolean success = cert.LoadFromFile(certPath);
    if (success != true) {
        Log.i(TAG, cert.lastErrorText());
        return;
        }

    CkPrivateKey privKey = new CkPrivateKey();
    success = privKey.LoadEncryptedPemFile(privateKeyPath,password);
    if (success != true) {
        Log.i(TAG, privKey.lastErrorText());
        return;
        }

    CkBinData bd = new CkBinData();
    success = bd.LoadFile(dataFile);
    if (success != true) {
        Log.i(TAG, "Failed to load " + dataFile);
        return;
        }

    CkCrypt2 crypt = new CkCrypt2();
    success = crypt.SetSigningCert2(cert,privKey);
    if (success != true) {
        Log.i(TAG, crypt.lastErrorText());
        return;
        }

    success = crypt.OpaqueSignBd(bd);
    if (success != true) {
        Log.i(TAG, crypt.lastErrorText());
        return;
        }

    CkStringBuilder sbPem = new CkStringBuilder();
    sbPem.AppendLine("-----BEGIN PKCS7-----",true);
    sbPem.Append(bd.getEncoded("base64_mime"));
    sbPem.AppendLine("-----END PKCS7-----",true);
    sbPem.WriteFile("helloWorldSigned.pem","utf-8",false);

    Log.i(TAG, sbPem.getAsString());

    // Sample output:

    // -----BEGIN PKCS7-----
    // MIINxAYJKoZIhvcNAQcCoIINtTCCDbECAQExCzAJBgUrDgMCGgUAMBoGCSqGSIb3DQEHAaANBAtI
    // ZWxsbyBXb3JsZKCCC0owggYQMIID+KADAgECAhBNlCwQ1DvglAnFgS06KwZPMA0GCSqGSIb3DQEB
    // DAUAMIGIMQswCQYDVQQGEwJVUzETMBEGA1UECBMKTmV3IEplcnNleTEUMBIGA1UEBxMLSmVyc2V5
    // IENpdHkxHjAcBgNVBAoTFVRoZSBVU0VSVFJVU1QgTmV0d29yazEuMCwGA1UEAxMlVVNFUlRydXN0
    // IFJTQSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0xODExMDIwMDAwMDBaFw0zMDEyMzEyMzU5
    // NTlaMIGWMQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQH
    // EwdTYWxmb3JkMRgwFgYDVQQKEw9TZWN0aWdvIExpbWl0ZWQxPjA8BgNVBAMTNVNlY3RpZ28gUlNB
    // IENsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWlsIENBMIIBIjANBgkqhkiG9w0B
    // AQEFAAOCAQ8AMIIBCgKCAQEAyjztlApB/975Rrno1jvm2pK/KxBOqhq8gr2+JhwpKirSzZxQgT9t
    // lC7zl6hn1fXjSo5MqXUfItMltrMaXqcESJuK8dtK56NCSrq4iDKaKq9NxOXFmqXX2zN8HHGjQ2b2
    // Xv0v1L5Nk1MQPKA19xeWQcpGEGFUUd0kN+oHox+L9aV1rjfNiCj3bJk6kJaOPabPi2503nn/ITX5
    // e8WfPnGw4VuZ79Khj1YBrf24k5Ee1sLTHsLtpiK9OjG4iQRBdq6Z/TlVx/hGAez5h36bBJMxqdHL
    // pdwIUkTqT8se3ed0PewDch/8kHPo5fZl5u1B0ecpq/sDN/5sCG52Ds+QU5O5EwIDAQABo4IBZDCC
    // AWAwHwYDVR0jBBgwFoAUU3m/WqorSs9UgOHYm8Cd8rIDZsswHQYDVR0OBBYEFAnA8vwL2pTbX/4r
    // 36iZQs/J4K0AMA4GA1UdDwEB/wQEAwIBhjASBgNVHRMBAf8ECDAGAQH/AgEAMB0GA1UdJQQWMBQG
    // CCsGAQUFBwMCBggrBgEFBQcDBDARBgNVHSAECjAIMAYGBFUdIAAwUAYDVR0fBEkwRzBFoEOgQYY/
    // aHR0cDovL2NybC51c2VydHJ1c3QuY29tL1VTRVJUcnVzdFJTQUNlcnRpZmljYXRpb25BdXRob3Jp
    // dHkuY3JsMHYGCCsGAQUFBwEBBGowaDA/BggrBgEFBQcwAoYzaHR0cDovL2NydC51c2VydHJ1c3Qu
    // Y29tL1VTRVJUcnVzdFJTQUFkZFRydXN0Q0EuY3J0MCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC51
    // c2VydHJ1c3QuY29tMA0GCSqGSIb3DQEBDAUAA4ICAQBBRHUAqznCFfXejpVtMnFojADdF9d6HBA4
    // kMjjsb0XMZHztuOCtKF+xswhh2GqkW5JQrM8zVlU+A2VP72Ky2nlRA1GwmIPgou74TZ/XTarHG8z
    // dMSgaDrkVYzz1g3nIVO9IHk96VwsacIvBF8JfqIs+8aWH2PfSUrNxP6Ys7U0sZYx4rXD6+cqFq/Z
    // W5BUfClN/rhk2ddQXyn7kkmka2RQb9d90nmNHdgKrwfQ49mQ2hWQNDkJJIXwKjYA6VUR/fZUFeCU
    // isdDe/0ABLTI+jheXUV1eoYV7lNwNBKpeHdNuO6Aacb533JlfeUHxvBz9OfYWUiXu09sMAviM11Q
    // 0DuMZ5760CdO2VnpsXP4KxaYIhvqPqUMWqRdWyn7crItNkZeroXaecG03i3mM7dkiPaCkgocBg0E
    // BYsbZDZ8bsG3a08LwEsL1Ygz3SBsyECa0waq4hOf/Z85F2w2ZpXfP+w8q4ifwO90SGZZV+HR/Jh6
    // rEaVPDRF/CEGVqR1hiuQOZ1YL5ezMTX0ZSLwrymUE0pwi/KDaiYB15uswgeIAcA6JzPFf9pLkAFF
    // Ws1QNyN++niFhsM47qodx/PL+5jR87myx5uYdBEQkkDc+lKB1Wct6ucXqm2EmsaQ0M95QjTmy+rD
    // WjkDYdw3Ms6mSWE3Bn7i5ZgtwCLXgAIe5W8mybM2JzCCBTIwggQaoAMCAQICEQDwUrMy4rq9PIFH
    // eb0WvDbOMA0GCSqGSIb3DQEBCwUAMIGWMQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBN
    // YW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRgwFgYDVQQKEw9TZWN0aWdvIExpbWl0ZWQxPjA8
    // BgNVBAMTNVNlY3RpZ28gUlNBIENsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWls
    // IENBMB4XDTE5MDMyMjAwMDAwMFoXDTIwMDMyMTIzNTk1OVowKDEmMCQGCSqGSIb3DQEJARYXc3Vw
    // cG9ydEBjaGlsa2F0c29mdC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC3Y+NL
    // mfKmb5tkrlU8z0B4Nfbe09jivGC9+OLz9Hhvcn1xmHkEtunHFC2xZOOuTIbucKrJdlGmlSsztHdo
    // Uq6btS/7e3j0gk3OJ8P+VhL638rbgE7BFjwuDKkYhSsItwNJdoi3omA4kfnfITqp/GDU3618miIU
    // YFGdkZ0yhIofQoyzFEqdszG35d5rxNuSaw6pQG/NX2vtvLFuJ3zebvvZqs9JAIfDaVJ2OPfsyiCs
    // OWsvvC6Mv7ZuLnKi5ZbBJQEhxGI1t9fgOjResLbQXegKJdsh5z9BuocVmOHyYlj16aQHI3PpNY46
    // 5WB0rrxTiFrjrj8KScNM/Yf0UISmb86ZAgMBAAGjggHmMIIB4jAfBgNVHSMEGDAWgBQJwPL8C9qU
    // 21/+K9+omULPyeCtADAdBgNVHQ4EFgQUp6kiYgCk7i8Fy9TkPf9yudOdRW4wDgYDVR0PAQH/BAQD
    // AgWgMAwGA1UdEwEB/wQCMAAwIAYDVR0lBBkwFwYIKwYBBQUHAwQGCysGAQQBsjEBAwUCMBEGCWCG
    // SAGG+EIBAQQEAwIFIDBABgNVHSAEOTA3MDUGDCsGAQQBsjEBAgEBATAlMCMGCCsGAQUFBwIBFhdo
    // dHRwczovL3NlY3RpZ28uY29tL0NQUzBaBgNVHR8EUzBRME+gTaBLhklodHRwOi8vY3JsLnNlY3Rp
    // Z28uY29tL1NlY3RpZ29SU0FDbGllbnRBdXRoZW50aWNhdGlvbmFuZFNlY3VyZUVtYWlsQ0EuY3Js
    // MIGKBggrBgEFBQcBAQR+MHwwVQYIKwYBBQUHMAKGSWh0dHA6Ly9jcnQuc2VjdGlnby5jb20vU2Vj
    // dGlnb1JTQUNsaWVudEF1dGhlbnRpY2F0aW9uYW5kU2VjdXJlRW1haWxDQS5jcnQwIwYIKwYBBQUH
    // MAGGF2h0dHA6Ly9vY3NwLnNlY3RpZ28uY29tMCIGA1UdEQQbMBmBF3N1cHBvcnRAY2hpbGthdHNv
    // ZnQuY29tMA0GCSqGSIb3DQEBCwUAA4IBAQDHuPFffssUPGEnKOWPgBhABEzFKSWq8plEyPXraFdY
    // l4LBMm4uIpkUXsKdHyAu7m66CsNQR8RYN0xITVlyKVCaCu/bv1vLiPIEX6SF26HkQRlj4J4Amu7r
    // RcrNGhgQ/ofgihEwiVBIze3uvi5zY+QZwmRFikdHrUhWx3qQYG9sW42U0eN+CULbz4QHt3+4xRCq
    // YHbfazG4pK2ukI7xKI1sjxs5237fmdYhqUkH0S+0I708zv10/jLN6Ev8r6Q0ItwRh4gt5dTC8qPK
    // EmGQs/8v1etTdHzRwWUofOyzgkykGg4MdvFkC8hJ4Hinhpg3Y1vdjX6f3pZPsipKwB+MdYSIMYIC
    // MzCCAi8CAQEwgawwgZYxCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIx
    // EDAOBgNVBAcTB1NhbGZvcmQxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE+MDwGA1UEAxM1U2Vj
    // dGlnbyBSU0EgQ2xpZW50IEF1dGhlbnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0ECEQDwUrMy
    // 4rq9PIFHeb0WvDbOMAkGBSsOAwIaBQCgXTAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqG
    // SIb3DQEJBTEPFw0xOTA0MDIyMjM2MjRaMCMGCSqGSIb3DQEJBDEWBBQKTVWo13jlAi+rcBl3xdhA
    // u8SG0DANBgkqhkiG9w0BAQEFAASCAQAWaz5itTD7L3YUWuRS5nBzJKv6RUe84muwLICW+U5HEEd7
    // aSNXCivMzsIYGN3VpBAfIGbRywDZ8SLFkmR3ernA4y0ki5SUNxfe6s3fsqPVIO56JEEF0/OZ54KU
    // 6o/Tn2Qw8mYyYW5n2O690DGqtN/mZjI5vyRM8fG6KDrlnMplACF4St6XZx9Od/Znq039IPzgukJI
    // rCIm9n0LFEdSYlajjS/d5GsIKWmy5ktrsXk5Ym6+Um95FBDuwrZyW1qYo+cLAWSBSf9poMUxwQNY
    // EAA1iZqJjnlwsgMgM44h9voAW+wDMfcGFUwGDTxaLday6vqxHobR3MwjsBI8qjRbb28G
    // -----END PKCS7-----
    // 
    // 

  }

  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."
  }
}