2 (AVAILABLE, PENDING, OVERDUE, COMPLETE, CORRUPT, DEAD, BADSEGNUM) = \
3 ("AVAILABLE", "PENDING", "OVERDUE", "COMPLETE", "CORRUPT", "DEAD", "BADSEGNUM")
5 class BadSegmentNumberError(Exception):
7 class WrongSegmentError(Exception):
9 class BadCiphertextHashError(Exception):