FairEmail/app/src/main/java/eu/faircode/email/EncryptionHelper.java

64 lines
2.5 KiB
Java

package eu.faircode.email;
/*
This file is part of FairEmail.
FairEmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FairEmail is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018-2022 by Marcel Bokhorst (M66B)
*/
import android.content.Context;
import android.os.Build;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import java.security.Provider;
import java.security.Security;
public class EncryptionHelper {
static {
/*
Caused by: java.lang.SecurityException: Incorrect signature
at org.apache.harmony.security.utils.JarUtils.verifySignature(JarUtils.java:223)
at java.util.jar.JarVerifier.verifyCertificate(JarVerifier.java:294)
at java.util.jar.JarVerifier.readCertificates(JarVerifier.java:268)
at java.util.jar.JarFile.getInputStream(JarFile.java:380)
at libcore.net.url.JarURLConnectionImpl.getInputStream(JarURLConnectionImpl.java:222)
at java.net.URL.openStream(URL.java:470)
at java.lang.ClassLoader.getResourceAsStream(ClassLoader.java:444)
at java.lang.Class.getResourceAsStream(Class.java:1334)
*/
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1)
try {
Provider[] providers = Security.getProviders();
for (int p = 0; p < providers.length; p++)
if (BouncyCastleProvider.PROVIDER_NAME.equals(providers[p].getName())) {
Security.removeProvider(BouncyCastleProvider.PROVIDER_NAME);
Provider bc = new BouncyCastleProvider();
Security.insertProviderAt(bc, p + 1);
Log.i("Replacing security provider " + providers[p] + " at " + p + " by " + bc);
break;
}
} catch (Throwable ex) {
Log.e(ex);
}
}
static void init(Context context) {
}
}