SSLContext setCertificateFromFile
(Context context
)
HttpsURLConnection request = (HttpsURLConnection) url.openConnection();
request.setSSLSocketFactory(context2.getSocketFactory());
// further code here
AssetManager am = context.getAssets();
// Load CAs from an InputStream
// (could be from a resource or ByteArrayInputStream or ...)
// From https://www.washington.edu/itconnect/security/ca/load-der.crt
try {
ca = cf.generateCertificate(caInput);
} finally {
caInput.close();
}
// Create a KeyStore containing our trusted CAs
keyStore.load(null, null);
keyStore.setCertificateEntry("ca", ca);
// Create a TrustManager that trusts the CAs in our KeyStore
String tmfAlgorithm
= TrustManagerFactory.
getDefaultAlgorithm();
TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
tmf.init(keyStore);
// Create an SSLContext that uses our TrustManager
SSLContext context2 = SSLContext.getInstance("TLS");
context2.init(null, tmf.getTrustManagers(), null);
return context2;
}
// HERE IS THE SOLUTION : https://developer.android.com/training/articles/security-ssl#java
// Load CAs from an InputStream
// (could be from a resource or ByteArrayInputStream or ...)
// From https://www.washington.edu/itconnect/security/ca/load-der.crt
try {
ca = cf.generateCertificate(caInput);
} finally {
caInput.close();
}
// Create a KeyStore containing our trusted CAs
keyStore.load(null, null);
keyStore.setCertificateEntry("ca", ca);
// Create a TrustManager that trusts the CAs in our KeyStore
String tmfAlgorithm
= TrustManagerFactory.
getDefaultAlgorithm();
TrustManagerFactory tmf = TrustManagerFactory.getInstance(tmfAlgorithm);
tmf.init(keyStore);
// Create an SSLContext that uses our TrustManager
SSLContext context = SSLContext.getInstance("TLS");
context.init(null, tmf.getTrustManagers(), null);
// Tell the URLConnection to use a SocketFactory from our SSLContext
URL url
= new URL("https://certs.cac.washington.edu/CAtest/");
HttpsURLConnection urlConnection =
(HttpsURLConnection)url.openConnection();
urlConnection.setSSLSocketFactory(context.getSocketFactory());
copyInputStreamToOutputStream
(in,
System.
out);