Constituent


There are two types of constituent available in the DDP2P software:

1. Active:
          data items representing the users that created these items and that can generate other data items,             that they digitally sign. We say that the active constituent has generated these items.

         

          like the above organization "FiTech 2013 Fall CSE 5260 Databases" is an authoritarian organization             which is only managed by dr. silaghi.

          It is formally defined by a tuple (C, O, i, d, r, q):
                   C: the GID of the constituent
                   O: the GID of the organization which the constituent is in
                   i: identity details(name, email) of the constituent
                   d: timestamp when i is declared
                   r: revocation status of C
                   q: a signiture calculated by q = SIGN(SK(C'), (C, O, i, r))

2. Inactive:
          compare to active constituent, inactive constituent might stand for the data items representing a
          person other than the one generating it, and can not generate other data
          They may stand for sick, elderly or other persons that are not able to participate themselves                in such a process but should be counted when one makes decisions.

          It is formally defined by a tuple (C, O, p):
                   C: the GID of the organization, C = HASH(O, i)
                   O: the GID of the organization which the constituent is in
                   i: identity details(name, email) of the constituent






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