Isolated e-Voting System in a Precinct Secured with Vote Sealing and Paper Audit Trail

1. e-Voting Application using Internal Vtoken Bowo Prasetyo Isolated e-Voting System in a Precinct Secured with Vote Sealing and Paper Audit Trail December 10, 2011 http://www.scribd.com/prazjp http://www.slideshare.net/bowoprasetyo

3. e-Voting Application is also used as basis to create an e-voting system which complies to Indonesian e-Voting standard which is being defined by Badan Pengkajian dan Penerapan Teknologi (BPPT).

5. Derived works should be made open source too under the same license.

7. e-Voting Machine application (EVM). √

12. Voting Opening EVM EVM EVM Administrator opens voting in all EVM machines

17. can be used to view result.

19. cannot be used to view result.

20. cannot be used to reset ballot box.

21. Voting Session 1. Administrator verifies voter 3. Voter casts vote 5. Voter puts paper audit trail into audit box 4. Voter takes paper audit trail 2. Operator opens voting session Entry Exit

26. electronically using digital identity card, or

27. combination of both.

29. It is done by EVM operator after visually confirmed voter verification by administrator.

32. Vtoken is randomly generated.

33. Vtoken is unique for each voter.

34. Vtoken cannot be associated with voter.

36. Confirm the choice with a touch.

37. Take paper audit trail and put it in audit box.

40. Makes it cannot be denied as coming from the machine (non-repudiation).

44. Voting Closing EVM EVM EVM Administrator closes voting in all EVM machines

49. cannot be used to view result.

51. can be used to view result.

52. can be used to reset ballot box.

57. To verify and decrypt this sealed votes, the suitable public key is needed.

58. Therefore each #-*-result.bin should always be accompanied by corresponding #-*-public.bin .

60. Files #-*-audit.log contains record of all actions taken by user along with its timestamp.

61. These are digitally signed by EVM, and could be verified using corresponding #-*-public.bin .

62. These could be used to reconstruct all actions happened during evoting process for audit purpose.

63. Since all sensitive information related to vote confidentiality is not recorded, these cannot be used to trace down voters and their choice.

65. #-*-public.bin #: precinct no. *: room no.

68. deleted from each machine, and

71. Public key is also used to decrypt sealed vote.

73. deleted from each machine, and