Basic HTML version of Foils prepared August 4 1997

Foil 38 Security Uses of Cryptography

From Remarks on Java and Internet Security Web Certificate CPS616 Enhancement -- Summer 1997 . by Geoffrey C. Fox
1)Transmitting over insecure channels
2)Storage on insecure media (essentially the same ideas as 1) but applied to a different need)
3)Authentication of computers or people at end of a message transmission. This includes digital signatures and password hashing
4)Integrity check that message delivered was the one sent (this is different from ensuring that nobody read information which is 1)). This is called message integrity

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