

Links
ID Card
Scientific Works
- Arne Ansper, Ahto Buldas, Märt Saarepera, Jan Willemson. "Improving the
availability of time-stamping services", ACISP 2001, 11.-13. July 2001,
Sydney, Australia.
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or PDF.
- Ahto Buldas, Helger Lipmaa, Berry Schoenmakers, "Optimally Efficient Accountable
Time-Stamping". In Yuliang Zheng and Hideki Imai, editors, Public Key
Cryptography '2000, volume 1751 of Lecture Notes in Computer Science, pages
293-305, Melbourne, Australia, 18--20 January 2000. Springer Verlag.
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or PDF.
- Meelis Roos, "Integrating
Time-Stamping and Notarization". Master's Thesis.
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or PDF.
- Ahto Buldas, Peeter Laud. "New
linking schemes for digital time-stamping". In The
1st International Conference on Information Security and Cryptology,
pages 3--14, Seoul, Korea, 18--19 December 1998. ©
by Korea Institute of Information Security and Cryptology.
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or PDF.
- Ahto Buldas, Peeter Laud, Helger Lipmaa, Jan Willemson, "Time-Stamping
with Binary Linking Schemes." In Hugo Krawczyk, editor, Advances in
Cryptology --- CRYPTO '98, volume 1462 of Lecture Notes in Computer Science,
pages 486-501. Springer-Verlag, 1998.
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or PDF.
- Ahto Buldas, Helger Lipmaa, "Digital Signatures, Timestamps and the corresponding
Infrastructure", Küberneetika AS, Technical Report 1998-21, Jan 1998, 7
pages.
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PDF.