???? Electronic Commerce

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????Electronic Commerce

• ???
• ??? ???

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Outline

• What is EC?
• ???????
• ???????
• ????????
• ??????

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What is EC?

• ??
• ?????????????????,???????????????????,??????????
• ??
• ?????????????,?????????,??????????????????
• 1990??www??????????,??????????????
• ??

???
4
???????

• ???????????
• ????????????
• ????????????
• ???????????
• ?????????????

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????????

• ???????
• --????
• --????
• --???
• ????????

???? ???????????? ????,??????? ???????????? ??????
?????
???? ???????????, ???????????? ?????
??? ?80???????,?? ???????????? ?????????
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???????

• B2B(Business to Business)
• --Amazon??????
• B2C(Business to Customer)
• --??Amazon?????
• C2C(Customer to Customer)
• --

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????????

• SET(Secure Electronic Transactions)
  VISA??????????Master Card, Microsoft, IBM,
  NetScape, GTE, SAIC???????,??????????????????????
• SSL(Secure Socket Layer)
• NetScape?????????????????? ,??TCP/IP
  Internet?????

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??????SET

• ??
• (1) ???Internet?????????,
• ????????????????
• (2) ???????????
• (3) ????????????????
• ?????(???)
• (4) ???????????????(??)
• (5) ????????????????
• Internet???????

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??????--SET
?????(Payment Gateway)
SET???
????(Certification Authority)
?????(Merchant Server)
????(E-Wallet)
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??????--SET

• ??
• (1) ??????(Digital Certificate) ???????
• ???,?????????????,??????
• ??
• (2) ?????
• (Certificate Issuance)
• (3) ???????(Public
• Key Cryptography)
• (4) ??????
• (Digital Signature)

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??????--SET

• ??
• --????????????
• --?????
• ?? SET?????????,??????????,??????????

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??????--SSL

• SSL???

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??????--SSL

• ??
• (1) ???? ????key????????
• ????,????key??????
• (2) ??? ?????????????,?
• ???master key
• (3) ??????????? ???????
• ????????????client?server?
• ????
• (4) ??????? ???????????
• ???(TCP/IP,X.25,OSI),?UDP???
• (5) ????(??????)

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??????--SSL

• ????????????
• ??????????????,?http//?https//
• ??????

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??????SET V.S. SSL
SET SSL
??? ? ?
??? ?? ??
??? ?? ??
???? SET???? ??????
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Reference

• ??E?? ????????? ?????? ???????????
• ????????? Garfinkel Spafford? ??? ??? ?
  OREILLY?
• http//www.cs.ccu.edu.tw/ccc/article/ec_secure.ht
  m
• http//taiwan.cnet.com/news/ec/story/0,2000022589,
  20072287,00.htm
• http//taiwan.cnet.com/news/ec/story/0,2000022589,
  20083409,00.htm
• http//www.yes-ec.com/bs5.htm
• http//www.devhood.com/tutorials
• http//whatis.techtarget.com/definition/0,289893,s
  id9_gci214194,00.html
• ??????