Lippert, Marcus ; Karatsiolis, Evangelos ; Wiesmaier, Alexander ; Buchmann, Johannes (2006):
Life-Cycle Management of X.509 Certifcates Based on LDAP Directories.
In: >Journal of Computer Security, 14 (5), pp. 419-439. [Article]

Lippert, Marcus (2006):
Life-cycle management of X.509 certificates based on LDAP directories.
In: Journal of Computer Security, 14, pp. 419-439. [Article]

Frommer, J. ; Wiesmaier, Alexander ; Araújo, Roberto ; Lippert, Marcus
Zhou, Jianying ; Yung, Moti ; Bao, Feng (eds.) (2006):
On Firewalls and Tunneling.
In: Industrial Proceedings of the 4th International Conference on Applied Cryptography and Network Security (ACNS'06), pp. 190-205,
Singapore, [Conference or Workshop Item]

Lippert, Marcus ; Karatsiolis, Evangelos ; Wiesmaier, Alexander ; Buchmann, Johannes (2005):
Directory Based Registration in Public Key Infrastructures.
In: The 4th International Workshop for Applied PKI (IWAP’05), pp. 17-32,
IOS Press, [Conference or Workshop Item]

Wiesmaier, Alexander ; Lippert, Marcus ; Karatsiolis, Vangelis ; Raptis, Georgios ; Buchmann, Johannes (2005):
An Evaluated Certification Services System for the German National Root CA - Legally binding and trustworthy Transactions in E-Business and E-Government.
In: EEE 2005 - International Conference on E-Business, Enterprise Information Systems, E-Government, and Outsourcing, pp. 103-110,
CSREA Press, Las Vegas, Nevada, USA, ISBN 1-932415-76-9,
[Conference or Workshop Item]

Wiesmaier, Alexander ; Karatsiolis, Vangelis ; Lippert, Marcus ; Buchmann, Johannes (2005):
The Workshop - Implementing Well Structured Enterprise Applications.
In: SERP 2005 - International Conference on Software Engineering Research and Practice, pp. 947-,
CSREA Press, Las Vegas, Nevada, USA, ISBN 1-932415-50-5,
[Conference or Workshop Item]

Wiesmaier, Alexander ; Fischer, Mike ; Lippert, Marcus ; Buchmann, Johannes (2005):
Outflanking and Securely Using the PIN/TAN-System.
In: SAM 2005 - International Conference on Security and Management, pp. 313-319,
CSREA Press, Las Vegas, Nevada, USA, ISBN 1-932415-82-3,
[Conference or Workshop Item]

Karatsiolis, Evangelos ; Lippert, Marcus ; Wiesmaier, Alexander (2005):
Planning for Directory Services in Public Key Infrastructures.
In: LNI, 62, In: Sicherheit 2005: Sicherheit - Schutz und Zuverlässigkeit, Beiträge der 2. Jahrestagung des Fachbereichs Sicherheit der Gesellschaft für Informatik e.v. (GI), pp. 349-360,
GI, Regensburg, ISBN 3-88579-391-1,
[Conference or Workshop Item]

Wiesmaier, Alexander ; Lippert, Marcus ; Karatsiolis, Vangelis (2004):
The Key Authority - Secure Key Management in Hierarchical Public Key Infrastructures.
In: Security and Management 2004, pp. 89-93,
Las Vegas, Nevada, USA, ISBN 1-932415-37-8,
[Conference or Workshop Item]

Karatsiolis, Vangelis ; Lippert, Marcus ; Wiesmaier, Alexander ; Pitaev, Anna ; Ruppert, Markus ; Buchmann, Johannes (2004):
Towards a Flexible {Intra-Trustcenter} Management Protocol.
In: >CoRR, cs.CR/0411067, [Article]

Karatsiolis, Vangelis ; Lippert, Marcus ; Wiesmaier, Alexander (2004):
Using {LDAP} Directories for Management of {PKI} Processes.
3093, In: Public Key Infrastructure, pp. 126-134,
Springer Berlin/Heidelberg, ISBN 978-3-540-22216-3,
[Conference or Workshop Item]

Lippert, Marcus (2000):
Ein beweisbar sicherer Pseudoufallsbit-Generator auf der Basis des {DL}-Problems in elliptischen Kurven.
Technische Universität Darmstadt, [Diploma Thesis or Magisterarbeit]