U.S. Election Assistance Commission Documents Related to
ES&S Optical Scanning Products
(all documents are PDF unless otherwise noted)
Updated: 15 December 2015

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Note: The fact that these are in the past and that for many modifications the EAC has issued no advisories should not provide a great deal of comfort, given the limited scope of the criteria that are checked for acceptability and the demonstrated inability of non-hackers to find problems.
  1. Voting System Testing and Certification Program Manual

  2. System Advisory Notes

    1. EVS 5.0.0.0
      There are currently no System Advisory Notices
      2.

    2. EVS 5.2.0.x - EVS 5300 (MD)
      1. 07/10/15 -- ES&S RSA Crypto Notice
      2. 07/10/15 -- Loading ExpressVote Media: "Manifest Signature Verification Failed" (Revised Version)
      3. 05/11/15 -- Loading ExpressVote Media: "Manifest Signature Verification Failed"

    3. Unity 5.2.0.0 Modification
      There are currently no System Advisory Notices
    4. Unity 5.0.1.0 Modification
      There are currently no System Advisory Notices
    5. Unity 3.4.0.0 Modification
      There are currently no System Advisory Notices
    6. Unity 3.4.1.0 Modification
      There are currently no System Advisory Notices
      7.

    7. Unity 3.2.1.0
      1. 05-16-12 -- Unity 3.2.0.0 Rev 3
      2. 07/28/15 -- DS200 Unresponsive Touch Screen Technical Advisory
      3. 07/28/15 -- DS200 Ballot Skew Technical Advisory

    8. Unity 3.2.0.0 Rev. 3 Modification
      There are currently no System Advisory Notices
      9.

  3. System Advisory Notes

    1. Unity 3.2.0.0
      1. 08/30/12 -- EAC Response to ES&S Withdrawal Request
      2. 08/03/12 -- ES&S Letter Requesting Certification Withdrawal
      3. 02/07/12 -- ES&S Response to EAC Notice of Non-Compliance
      4. 02/01/12 -- Notice of Non-Compliance
      5. 12/20/11 -- Formal Investigation Report
      6. 05/25/11 -- Formal Investigation Anomaly Status
      7. 03/03/11 -- Timeline of Activities (xls)
      8. 03/01/11 -- Notice of Initiation of Formal Investigation and Investigation Authorization