nov 7
all these are wikipedia articles
public-key cryptography
* background :
- symmetric keys
- asymmetric keys
- signing
- how it works : http://cs.marlboro.edu/msie/2005/crypto.html
* gpg
* openssl
* public key repositories,
- http://keyserver.verdis.com:11371/
- Jim Mahoney 2000 0x29A4465F
copyright
* US
* after 1978: life of author + 70 years
* before 1923: public domain
DRA - digital rights management
* technologies to prevent copying, typicall of music / video
DMCA - digital millenium copyright act
* illagal to produce and disseminate technology to circumvent copyright
DVD
CSS - 1996, content scrambling system
DeCSS - 1999, Jon Lech Johansen (as a teenager)
FairPlay - Apple iTunes
public/private keys in various places; hardcoded into QuickTime
encrypted signal
AACS - Advanced Access Content System (HD DVD, Blu Ray)
Jon Lech Hohansen
2005_Sony_CD_copy_protection_scandal
playing one of their DVD's ... would overright part of Windows OS
'rootkit'
connect to Sony ... in a way that had vulnerabilities
spyware
digital watermarking
steganography
example: outguess.org; cs: outguess, stegdetect
see http://cs.marlboro.edu/~mahoney/outguess
