Signal-Android/app/src/main/java/org/thoughtcrime/securesms/database/SqlCipherDatabaseHook.java

24 wiersze
791 B
Java

package org.thoughtcrime.securesms.database;
import net.zetetic.database.sqlcipher.SQLiteConnection;
import net.zetetic.database.sqlcipher.SQLiteDatabaseHook;
/**
* Standard hook for setting common SQLCipher PRAGMAs.
*/
public class SqlCipherDatabaseHook implements SQLiteDatabaseHook {
@Override
public void preKey(SQLiteConnection connection) {
connection.execute("PRAGMA cipher_default_kdf_iter = 1;", null, null);
connection.execute("PRAGMA cipher_default_page_size = 4096;", null, null);
}
@Override
public void postKey(SQLiteConnection connection) {
connection.execute("PRAGMA cipher_compatibility = 3;", null, null);
connection.execute("PRAGMA kdf_iter = '1';", null, null);
connection.execute("PRAGMA cipher_page_size = 4096;", null, null);
}
}