- Discussion with ΦBK speaker (Philip Kitcher, Columbia U.)
- 8:30 tonight (Sept. 29)
- Coffee and dessert with discussion re “Henrietta Lacks”
- Specifically for you (Tesla & Dante House students)
- Bailey 102
- Midterm
- Next Thursday (Oct. 6)
- Roughly 3 - 6 short-answer questions on writing “moves” (e.g., quotations, theses, summary, etc.) or cryptography (e.g., substitution ciphers)
- Possibly a short essay question
- Whole class period
- Open book, notes, computer; closed person
- “Black Chamber” reading
- Construct your own monoalphabetic substitution cipher
- A B C D E … Z maps to some rearrangement of the alphabet, e.g.,
- F S X T D … Q
- No nulls (cipher symbols that mean nothing)
- Preserve blanks between words
- Try it out
- Key = rule for enciphering/deciphering
- Key exchange problem
- This is private key cryptography
- Try breaking someone else’s
- Breaking substitution ciphers
- Read (if you haven’t aready) the “Cracking the Substitution Cipher” section and subsections of “The Black Chamber,” found from http://www.simonsingh.net/The_Black_Chamber/chamberguide.html