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Code Issues Projects Releases Wiki Activity

Add Settings.Secure.ANDROID_ID to entropy pool.

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This commit is contained in:
akwizgran
2016-01-21 14:41:17 +00:00
parent d33dbca25a
commit dd8e111b0b
1 changed files with 17 additions and 0 deletions
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17
briar-android/src/org/briarproject/system/AndroidSeedProvider.java
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@@ -1,12 +1,27 @@
package org.briarproject.system;
import android.app.Application;
import android.content.ContentResolver;
import android.content.Context;
import android.os.Build;
import android.provider.Settings;
import java.io.DataOutputStream;
import java.io.IOException;
import javax.inject.Inject;
import static android.provider.Settings.Secure.ANDROID_ID;
class AndroidSeedProvider extends LinuxSeedProvider {
private final Context appContext;
@Inject
AndroidSeedProvider(Application app) {
appContext = app.getApplicationContext();
}
@Override
void writeToEntropyPool(DataOutputStream out) throws IOException {
out.writeInt(android.os.Process.myPid());
@@ -14,6 +29,8 @@ class AndroidSeedProvider extends LinuxSeedProvider {
out.writeInt(android.os.Process.myUid());
if (Build.FINGERPRINT != null) out.writeUTF(Build.FINGERPRINT);
if (Build.SERIAL != null) out.writeUTF(Build.SERIAL);
ContentResolver contentResolver = appContext.getContentResolver();
out.writeUTF(Settings.Secure.getString(contentResolver, ANDROID_ID));
super.writeToEntropyPool(out);
}
}