Basic HTML version of Foils prepared May 19 99

Foil 31 Secret Key Cryptography

From Remarks on Internet and Java Security Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Geoffrey Fox, Mehmet Sen
This involves a single secret key and standards are DES (Digital Encryption Standard) and IDEA (International Data Encryption Algorithm)
Commercial systems (used in SSL) are RC2 RC4 RC5
  • Note 40 bit RC2 takes a 64 MIP computer one year to break

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