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Aug
1
comment Whitening and randomness extraction
The title of this question made me think I was on dentists.stackexchange.com
Jul
1
comment Designing a protocol to record attendance to lectures
@IlmariKaronen, on who's disk? If you store them just on the teacher's disk, he may "cheat" and see who attended the class.
Jul
1
comment Designing a protocol to record attendance to lectures
@IlmariKaronen, I also thought about taking pictures, but where do you store them?
Jun
30
comment Designing a protocol to record attendance to lectures
@IlmariKaronen, the teacher may recognize their faces but not know each of their names.
Jun
29
comment Designing a protocol to record attendance to lectures
@RickyDemer, if you are refering to the second requirement, it means that a student should not "sign" in the name of another student.
Jun
29
comment Designing a protocol to record attendance to lectures
@D.W. attendance, sorry.