This presentation provides an introduction to information assurance and security, focusing on the comparison between symmetric and public key cryptography. It begins with an overview of security mechanisms like MPLS-TE, access control in WMN, and SSL VPN. The core of the presentation explains public key cryptography, detailing how it uses a pair of keys (public and private) for encryption and decryption, and its historical development, starting from Shannon's work in 1945 to the adoption of AES. The presentation outlines various applications of public-key cryptography, including email and file encryption, and contrasts it with symmetric key cryptography, highlighting their respective strengths and weaknesses. Furthermore, it discusses the role of encryption in storage, email, secure web access, and network traffic, concluding with key management plan considerations for ensuring data security and integrity, referencing the importance of key handling and revocation processes. The presentation also includes a list of relevant references.
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