Bencode encodes 3 bytes to 4 characters.  The code set is 64
extremely harmless characters (A-Za-z0-9+-) that should pass through
any network without change.  But just in case, a byte count and cyclic
redundancy check appear after the data.

reggers@uwo.UUCP (Reg Quinton)
watmath!kwlalonde (Ken Lalonde)
