Privacy is an important research topic due to its implications in society. Among the topics
covered by privacy, we can highlight how to establish anonymous communications. During …

Anonymity is generally conceived to be an integral part of user's right to privacy. Without
anonymity, many online activities would become prone to eavesdropping, making them …

With the rise of crowdsourcing economies, the home delivery business is now undergoing
rapid development. The authentication schemes that are currently used in the home delivery …

The inclusion of cloud services within existing identity federations has gained interest in the
last years, as a way to simplify the access to them, reducing the user management costs …

OpenID is an open standard providing a decentralized authentication mechanism to end
users. It is based on a unique URL (Uniform Resource Locator) or XRI (Extensible Resource …

Anonymity on SIP signaling can be achieved either by the construction of a lower level
tunnel (via the use of SSL or IPSec protocols) or by employing a custom-tailored solution …

Privacy is an important research topic due to its implications in society. Among the topics
covered by privacy, we can highlight how to establish anonymous communications. Dur-ing …

Με την εξάπλωση του Διαδικτύου υψηλών ταχυτήτων σε συνδυασμό με τις σύγχρονες γενιές
κυψελωτών δικτύων επικοινωνιών, το πρωτόκολλο SIP αποτελεί βασική συνιστώσα για την …

Kerberos 是在开放网络环境中广泛使用的安全认证协议. 近年来. 对Kerberos
协议的研究大多集中于如何提高其认证流程的安全性. 本文在对Kerberos 协议原有理论及流程 …

Multifactor authentication is a relevant tool in securing IT infrastructures combining two or
more credentials. We can find smartcards and hardware tokens to leverage the …