IPsec incorporates several cryptographic operations to ensure message authenticity, data integrity, and sender nonrepudiation. In this section we will describe the mechanics of these cryptographic ...

Real-world communications over the Internet are becoming more and more widespread. In particular, commercial transactions, which deserve a high level of security, often take place over our ...

VPN (Virtual Private Network) is a technology that provides secure communication through an insecure and untrusted network (like the Internet). Usually, it achieves this by authentication, encryption, ...

The use of IPsec is pervasive throughout the networking industry. However, many organizations are using IPsec in sub-optimal configurations that result in weaker connection security. Many ...