Fasbender, A., D. Kesdogan, and O. Kubitz. Analysis of Security and Privacy in Mobile IP. in 4th International Conference on Telecommunication Systems, Modeling and Analysis . 1996. Nashville, TN.  Home/Search   Document Details and Download   Summary   Related Articles   Check

....should not be able to tell that Alice is talking to Bob. In conclusion: Bob # s activities should not be linkable with his location and mobility. 10 3 Related work and thesis background The only previous work that we found published in our area was done by Fasbender A, Kesdogan D. and Kubitz O. [1] in March 1996. Their paper presented a possible extension of the proposed MobileIP v4 and route optimization protocols, the Non Disclosure Method (NDM) NDM is based on the idea of mixes, which has been suggested by Chaum [2] for hiding the originator addresses of electronic mails. Unfortunately ....

....the same way that MobileIP v4 does, but with the addition that the home and foreign network are unlinkable. Our initial ideas were in the direction of integrating MobileIP v4 into the Freedom System by encapsulating registration and deregistration messages and IPIP GRE tunnels into Freedom Tra#c [1]. Further studies and preliminary results showed that it was more adequate to extend Freedom to provide the same functionalities of MobileIP v4 . Also to provide the mobile node with the flexibility of rebuilding partial routes hiding the mobility associated with certain pseudonymous. In this ....

A. Fasbender, D. Kesdogan and O. Kubitz. Analysis of security and privacy in MobileIP. 4th International Conference of Communications Systems Modeling & Analysis, Nashville, USA. March 1996

....roams away. Some extensions of Mobile IP are also sources of concern. For example, the Non Disclosure Method (NDM) prevents the tracking of user movements by third parties and gives mobile users control over the revelation of their location information, according to their personal security demands [7]. As a result, victim sites will find it difficult to trace sources of DDoS attacks. 3.2. Wireless Portal Network Learning from America Online s success, most wireless operators are using various walled garden and partnership approaches. Since they own coveted spectrum licenses and cellular ....

A. Fasbender, D. Kesdogan, and O. Kubitz, Analysis of Security and Privacy in Mobile IP, 4th International Conference on Telecommunication Systems, Modeling and Analysis, 1996

....the receiver R. Then S encrypts the message and the address of the recipient with the public key of the mix node. The message is now sent to the mix node, which decrypts the received message and forwards it to R. A cascade of mix nodes is proposed in order to ensure untraceable traffic flow. In [6], the Non Disclosure Method (NDM) for protecting source and destination privacy as well as the location privacy is introduced. The solution relies on independent security agents distributed over the network, where each agent possesses a public and private key pair. When a sender S wishes to ....

....and location privacy can be enforced using a set of security agents, which are distributed among the network. In an ad hoc network, all nodes should have the 6 HUT TML 2000 Tik 110.501 Seminar on Network Security possibility to function as security agents. However, the solution introduced in [6] should be modified in such a way that different security agents should be chosen for each packet. This would be the normal case in a mobile ad hoc network, since the sender cannot rely on the same security agents being able to efficiently route the whole transaction anyway. Another modification ....

A. Fasbender, D. Kesdogan, and O. Kubitz. Analysis of Security and Privacy in Mobile IP. In 4th International Conference on Telecommunication Systems, Modeling and Analysis, 1996.

....to an onion is used to forward individual IP packets through a network. By maintaining tracking information at each router, ICMP error messages can be moved back along the hidden route. Essentially, a connection is built for each packet in a connectionless service. Although a followup paper [5] suggests that performance will be good, especially with hardware based public key cryptography, empirical tests suggest that both the cryptographic overhead of building onions and the tracking of onions against replay is not efficiently done on a packet by packet basis. However, it is easy to ....

A. Fasbender, D. Kesdogan, O. Kubitz. "Analysis of Security and Privacy in Mobile IP", 4 th International Conference on Telecommunication Systems Modeling and Analysis , Nashville, March 1996.

....to an onion is used to forward individual IP packets through a network. By maintaining tracking information at each router, ICMP error messages can be moved back along the hidden route. Essentially, a connection is built for each packet in a connectionless service. Although a followup paper [7] suggests that performance will be good, especially with hardware based public key cryptography, our experience suggests that both the cryptographic overhead of building onions and the tracking of onions against replay is not efficiently done on a packet by packet basis. However, it is easy to ....

A. Fasbender, D. Kesdogan, O. Kubitz. Analysis of Security and Privacy in Mobile IP, 4th International Conference on Telecommunication Systems Modeling and Analysis, March 1996, Nashville, USA.

....to services, and or charge the user for these services. Furthermore, in order to obtain some basic service, such as forwarding user s incoming data to the foreign domain, the user s home domain also needs to identify the user. This issue has received considerable attention in the recent years [1, 3, 4, 8, 6, 7]. This mobile user scenario raises some concern for privacy. In particular, a mobile user would usually prefer to remain anonymous with respect to the foreign domain, as well as to potential eavesdroppers. Ideally, only the home domain authority should be informed as to the mobile user s real ....

....are defined. As pointed out in [13] protection from traffic analysis may be obtained by using encrypted bi directional tunneling between MN and HA. However, there is no provision to hide the MN s identity from the FA or other network elements in the FA s domain. In a recent work, Fasbender et al. [6] identified some traffic analysis issues (including anonymity and location secrecy) in mobile IP and suggested the Non Disclosure Method (NDM) based roughly on the Chaum s MIX approach [15] While theoretically sound, NDM requires non trivial infrastructure alterations due to the introduction of ....

A. Fasbender, D. Kesdogan, O. Kubitz, Analysis of Security and Privacy in Mobile-IP, 4th International Conference on Telecommunication Systems Modeling and Analysis, March 1996.

....to be routed using an independently chosen Mix path. In addition, each packet creates a transient virtual circuit on the way to its destination. If the destination turns out to be unreachable, the intervening nodes can generate and transmit the appropriate ICMP [72] error packet to the source. In [34], the same authors compute a probability distribution predicting the latency added by NDM using equipment assumptions accurate in 1995. For a route through three forwarding nodes equipped with RSA hardware, they estimate an additional delay of less than 100 milliseconds, which suggests that the ....

Andreas Fasbender, Dogan Kesdogan, and Olaf Kubitz. Analysis of security and privacy in mobile IP. In 4th International Conference on Telecommunication Systems Modeling & Analysis, Nashville, USA, March 1996.

....to an onion is used to forward individual IP packets through a network. By maintaining tracking information at each router, ICMP error messages can be moved back along the hidden route. Essentially, a connection is built for each packet in a connectionless service. Although a followup paper [11] suggests that performance will be good, especially with hardware based public key cryptography, our experience suggests that both the cryptographic overhead of building onions and the tracking of onions against replay is not efficiently done on a packet by packet basis. However, it is easy to ....

A. Fasbender, D. Kesdogan, O. Kubitz. "Analysis of Security and Privacy in Mobile IP", 4 th International Conference on Telecommunication Systems Modeling and Analysis , Nashville, March 1996.

....first collected and then forwarded in a reordered sequence. However, the observed packet delays due to detours will be higher as compared to a single mix, depending on the number and distances of the visited SAs. Another paper on this topic provides a detailed analysis on the performance of NDM [5]. As is shown there, powerful protection against traffic analysis can be achieved with a tolerable packet delay overhead and thus support a wider range of applications than the mix method. IV. Application of NDM to Mobile IP A. Secure IP in IP Protocol The IETF internet draft IP Encapsulation ....

A. Fasbender, D. Kesdogan, O. Kubitz, Analysis of Security and Privacy in Mobile IP, accepted for presentation at 4th International Conference on Telecommunication Systems, Modelling and Analysis, Nashville, 3/1996.

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Fasbender, A., D. Kesdogan, and O. Kubitz. Analysis of Security and Privacy in Mobile IP. in 4th International Conference on Telecommunication Systems, Modeling and Analysis . 1996. Nashville, TN.

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Fasbender, A., D. Kesdogan, and O. Kubitz. Analysis of Security and Privacy in Mobile IP. in 4th International Conference on Telecommunication Systems, Modeling and Analysis . 1996. Nashville, TN.

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A. Fasbender, D. Kesdogan, and O. Kubitz, "Analysis of Security and Privacy in Mobile IP," in 4 th International Conference on Telecommunication Systems Modeling and Analysis, Nashville, U.S.A, Mar. 1996. [Online]. Available: http://citeseer.nj.nec.com/ fasbender96analysis.html

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A. Fasbender, D. Kesdogan and O. Kubitz, Analysis of security and privacy in Mobile IP, in: 4th International Conference on Telecommunication Systems, Modeling and Analysis (1996).

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