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(Android™) Load Base64-encoded X.509 Certificate (.cer)Loads a digital certificate from a base64 encoded DER X.509 Certificate (.cer, .crt) and fetches information about the cert.
// 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); CkCert cert = new CkCert(); boolean success; // LoadFromFile will load virtually any certificate format file. // It will auto-recognize the format and load appropiately. // A base64-encoded DER X.509 certificate file // contains the binary DER in base64 encoded form. // Therefore, it is a text file that will begin like this: // -----BEGIN CERTIFICATE----- // MIIFbjCCBFagAwIBAgIGdDPNv/L0MA0GCSqGSIb3DQEBBQUAMIHKMQswCQYDVQQG // EwJVUzEQMA4GA1UECBMHQXJpem9uYTETMBEGA1UEBxMKU2NvdHRzZGFsZTEaMBgG // ... success = cert.LoadFromFile("/Users/chilkat/testData/cer/chilkat_base64.cer"); if (success != true) { Log.i(TAG, cert.lastErrorText()); return; } // DN = "Distinguished Name" Log.i(TAG, "SubjectDN:" + cert.subjectDN()); Log.i(TAG, "Common Name:" + cert.subjectCN()); Log.i(TAG, "Issuer Common Name:" + cert.issuerCN()); Log.i(TAG, "Serial Number:" + cert.serialNumber()); } 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." } } |
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