title: "File is encrypted or is not a database" error is coming when trying to decrypt an encrypted database in android
body: <p>I am encrypting a sqlite database in ubuntu terminal using sqlcipher version 3.7.17 and sqlite3 version 3.7.15.2. When i am trying to use this encrypted database in android, i am getting the error "File is encrypted or not a database". I am using sqlcipher version 2.2.0 in android.</p>
  
  <p>Encryption code used in ubuntu terminal:<BR>
  ./sqlcipher plaintext.db <BR>
  sqlite> ATTACH DATABASE 'encrypted.db' AS encrypted KEY 'testkey'; <BR>
  sqlite> SELECT sqlcipher_export('encrypted'); <BR>
  sqlite> DETACH DATABASE encrypted;<BR></p>
  
  <p>Android code to decrypt:<BR>
      SQLiteDatabase database= SQLiteDatabase.openOrCreateDatabase(databaseFile, testkey", null);<BR></p>
  
  <p>Any help would be appreciated!!</p>