Basic HTML version of Foils prepared May 19 99

Foil 30 Security Uses of Cryptography

From Remarks on Internet and Java Security Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Geoffrey Fox, Mehmet Sen
1 1)Transmitting over insecure channels
2 2)Storage on insecure media (essentially the same ideas as 1) but applied to a different need)
3 3)Authentication of computers or people at end of a message transmission. This includes digital signatures and password hashing
4 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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