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Post Date :   9/30/2005

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Comment :  Part three of three Section 6.9

6.9.3   The list of record unique identifiers to hand-count shall be=20
determined in a manner that is extremely difficult to predict
prior to the audit, yet which generates a repeatable and
publicly verifiable list of record unique identifiers.

Discussion: This can be done by cryptographically hashing
several subseeds, provided by election judges, lottery
results, party observers, election officials, and other
sources[2], and using the resulting number to seed a PRNG.


6.9.4   Any algorithms used to generate the list of record unique
identifiers shall be FIPS-approved.


6.9.5   Any algorithms, input data, and output data used to generate the
list of record unique identifiers shall be published openly.

Discussion: This includes the pseudocode of the algorithms,=20
source code of the algorithms, the individual subseeds, the
hashed seed, the PRNG output, and the derived list of record
unique identifiers to count.


6.9.6   The number of paper records to hand-interpret and any necessary
process details shall be determined by a peer-reviewed
statistical quality control method.

Discussion: One such procedure is the Lot-Sensitive Sampling
Plan (LSP) [1].


6.9.7   The confidence intervals of the plan should be set such that it
       can accurately audit very close elections where the margin of
victory is 1% or less.
  =20
       Discussion: If LSP is used, p*, the maximum percent of ballots
       allowed to be inaccurately interpreted, should be 1% or less.
       pa, the probability that the audit would miss an inaccurately
interpreted ballot, should be 1% or less.

  =20
6.9.8 The hand-count teams shall interpret the paper records and
create a set of cast vote records by hand to compare with the
subset of machine-generated cast vote records.
  =20