Basic HTML version of Foils prepared July 6 99

Foil 24 Cryptography (2)

From Security Infrastructure fo Electronic Commerce and Internet CPS714 Computational Science Information Track -- June 2 and June 7 99. by Roman Markowski
The most popular symmetric encryption algorithms
  • DES - Data Encryption Algorithm - official US Government encryption standard (56 bit + 8 bit checksum = 64 bit)
  • 3DES - Triple Data Encryption Algorithm (112 bit, 168 bit) 3DES-EE3, 3DES-EDE3, 3DES-EEE2, 3DES-EDE2
  • IDEA - International Data Encryption Algorithm
  • RC4 - Rivest Cipher 4 (128 bit)
  • AES - Advanced Encryption Standard ( expected in year 2000)
The most popular asymmetric encryption algorithms
  • D-H Diffie Hellman
  • RSA - Rivest Shamir Adleman (1024 bit)
  • DSA - Digital Signature Algorithm (1024 bit)
  • ECC - Elliptic Curve Cryptosystem

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