PKI (Public Key Infrastructure) - 2 hours
Today, the public Internet is being used to carry sensitive information ranging from financial transactions (eCommerce) to distribution of corporate data through the use of VPN (Virtual Private Networks). This module sets out to discuss the use of the PKI (Public Key Infrastructure) to provide a secure means of not only passing information but also of ensuring the information has been sent from the correct body. In so doing, the significance of public key cryptography is reviewed along with the more common key distribution techniques - Diffie-Hellman, IKE (Internet Key Exchange) etc. Finally, the role of Certification Authorities is discussed, and the means by which Digital Certificates are used - distribution, enrolment and validation.
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