code: public boolean confirmRequest(String targetUID, String password) throws GeneralSecurityException, WrongPassphraseException {
  		SQLiteDatabase db = getWritableDatabase();
  		String table = RelationshipEntry.TABLE_PERSON_AUTH;
  		String[] columns = { RelationshipEntry.COLUMN_TKN, RelationshipEntry.COLUMN_REQUEST_STATUS, RelationshipEntry.COLUMN_PASSWORD };
  		String selection = RelationshipEntry.COLUMN_USER_UUID + " = ? ";
  		String[] selectionArgs = { targetUID };
  		String groupBy = null;
  		String having = null;
  		String orderBy = null;
  		String limit = null;
  		Cursor c = db.query(table, columns, selection, selectionArgs, groupBy, having, orderBy, limit);
  		if (c.moveToNext()) {
  			String token = c.getString(c.getColumnIndex(RelationshipEntry.COLUMN_TKN));
  			String decryptedTkn = TokenCipher.decryptToken(token, password);
  			if (decryptedTkn != null) {
  				return commitConfirmation(targetUID, password, decryptedTkn);
  			} else {
  				return false;
  			}
  		}
  		return false;
  	}
docs: Confirm a friendship request. the status of the entry associated with the
  specified person, will be REQUEST_ACCEPTED
  
  @param targetUID
  - the unique identifier of the person
  @throws WrongPassphraseException
  @throws GeneralSecurityException