'Martin hellman' presentation slideshows

Computer Security: Friend, Foe or Failure? Dr. Ishbel Duncan School of Computer Science March 13 th 2009

Computer Security: Friend, Foe or Failure? Dr. Ishbel Duncan School of Computer Science March 13 th 2009. Some recent figures. The American FBI Internet Crime Complaint Center received 207,000 complaints in 2007 relating to $240M of e-crimes.

923 views • 65 slides

Public Key Infrastructure and Authentication

Public Key Infrastructure and Authentication. Mark Norman DCOCE Oxford University Computing Services. DCOCE. Der-kot-chee Digital Certificate Operation in a Complex Environment. Authentication.

567 views • 33 slides

The RSA Algorithm

The RSA Algorithm. JooSeok Song 2007. 11. 13. Tue. Private-Key Cryptography. traditional private/secret/single key cryptography uses one key shared by both sender and receiver if this key is disclosed communications are compromised also is symmetric , parties are equal

892 views • 31 slides

The RSA Algorithm

The RSA Algorithm. JooSeok Song 2007. 11. 13. Tue. Private-Key Cryptography. traditional private/secret/single key cryptography uses one key shared by both sender and receiver if this key is disclosed communications are compromised also is symmetric , parties are equal

693 views • 31 slides

The History of Cryptology

528 views • 22 slides

Public Key Cryptography and the RSA Algorithm

Public Key Cryptography and the RSA Algorithm. Prepared By : Diwan. Private-Key Cryptography. traditional private/secret/single key cryptography uses one key Key is shared by both sender and receiver if the key is disclosed communications are compromised

594 views • 15 slides

Password Cracking With Rainbow Tables

Password Cracking With Rainbow Tables. Spencer Dawson. Summary. What are rainbow tables? A time and memory tradeoff in password cracking. A piecewise approach to one-way hashes What are the advantages/disadvantages Best uses Limitations How to use rainbow tables. What are rainbow tables?.

447 views • 7 slides