World's Best Scientists 2026 revealed!
Christian Schaffner

Christian Schaffner

D-Index & Metrics

Computer Science

D-Index
32
Citations
5664
World Ranking
13006
National Ranking
246

Christian Schaffner publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Christian Schaffner sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 72 publications — 2nd percentile

2% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Christian Schaffner D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Christian Schaffner sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 32 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Overview

Christian Schaffner is a researcher affiliated with the University of Amsterdam in the Netherlands. Their work spans several fields within computer science, focusing notably on areas related to cryptography and quantum computing.

Their research covers key topics including:

  • Cryptography and Data Security
  • Quantum Computing Algorithms and Architecture
  • Quantum Information and Cryptography
  • Complexity and Algorithms in Graphs
  • Cloud Data Security Solutions
  • Cryptographic Implementations and Security
  • Quantum Mechanics and Applications

Schaffner has contributed to areas of study such as:

  • Artificial Intelligence
  • Computational Theory and Mathematics
  • Information Systems
  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Their publication record includes papers in various venues, with a strong presence in:

  • arXiv (Cornell University)
  • Lecture notes in computer science
  • 2022 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)
  • Physical review. A/Physical review, A
  • Quantum

Some recent notable papers authored or co-authored by Schaffner are:

  • "Impossibility of Quantum Virtual Black-Box Obfuscation of Classical Circuits" (2021, Lecture notes in computer science)
  • "Optimal Design of Time-of-Use Tariffs using Bilevel Optimization" (2022, 2022 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe))
  • "Online-Extractability in the Quantum Random-Oracle Model" (2021, arXiv (Cornell University))
  • "Local simultaneous state discrimination" (2024, Physical review. A/Physical review, A)
  • "Impossibility of Quantum Virtual Black-Box Obfuscation of Classical Circuits" (2020, arXiv (Cornell University))

Frequent collaborators in Schaffner's research include:

  • Christian Majenz
  • Mehrdad Tahmasbi
  • Jelle Don
  • Serge Fehr
  • Yfke Dulek

Their academic work is embedded in the broader context of computer science, with 35 publications contributing to the main field and 26 publications specifically addressing artificial intelligence. Four publications highlight work in computational theory and mathematics, while two focus on information systems and electrical and electronic engineering each, complemented by two in atomic and molecular physics, and optics.

Best Publications

  • The Operational Meaning of Min- and Max-Entropy

    R. Konig;R. Renner;C. Schaffner

  • The operational meaning of min- and max-entropy

    Robert Koenig;Renato Renner;Christian Schaffner

  • Cryptography in the Bounded-Quantum-Storage Model

    Ivan B. DamgÅrd;Serge Fehr;Louis Salvail;Christian Schaffner

  • Random oracles in a quantum world

    Dan Boneh;Özgür Dagdelen;Marc Fischlin;Anja Lehmann

  • Leftover Hashing Against Quantum Side Information

    M. Tomamichel;C. Schaffner;A. Smith;R. Renner

  • Quantum cryptography beyond quantum key distribution

    Anne Broadbent;Christian Schaffner

  • Security of the Fiat-Shamir transformation in the Quantum Random-Oracle Model

    Jelle Don;Jelle Don;Serge Fehr;Serge Fehr;Christian Majenz;Christian Schaffner

  • A Concrete Treatment of Fiat-Shamir Signatures in the Quantum Random-Oracle Model

    Eike Kiltz;Vadim Lyubashevsky;Christian Schaffner

  • Cryptography from noisy storage.

    Stephanie Wehner;Christian Schaffner;Barbara M. Terhal

  • Leftover Hashing against quantum side information

    Marco Tomamichel;Renato Renner;Christian Schaffner;Adam Smith

  • Position-Based Quantum Cryptography: Impossibility and Constructions

    Harry Buhrman;Nishanth Chandran;Serge Fehr;Ran Gelles

  • A Tight High-Order Entropic Quantum Uncertainty Relation With Applications.

    Ivan Damgård;Serge Fehr;Renato Renner;Louis Salvail

  • Quantum Homomorphic Encryption for Polynomial-Sized Circuits

    Yfke Dulek;Christian Schaffner;Florian Speelman

  • Secure identification and QKD in the bounded-quantum-storage model

    Ivan Damgård;Serge Fehr;Louis Salvail;Christian Schaffner

  • Security and composability of randomness expansion from Bell inequalities

    Serge Fehr;Ran Gelles;Christian Schaffner;Christian Schaffner

  • Complete Insecurity of Quantum Protocols for Classical Two-Party Computation

    Harry Buhrman;Matthias Christandl;Christian Schaffner

  • Semantic Security and Indistinguishability in the Quantum World

    Tommaso Gagliardoni;Andreas Hülsing;Christian Schaffner

  • Using Simon's Algorithm to Attack Symmetric-Key Cryptographic Primitives

    Thomas Santoli;Christian Schaffner

  • Implementation of two-party protocols in the noisy-storage model

    Stephanie Wehner;Marcos Curty;Christian Schaffner;Hoi-Kwong Lo

  • Simple protocols for oblivious transfer and secure identification in the noisy-quantum-storage model

    Christian Schaffner

Frequent Co-Authors

Serge Fehr
Serge Fehr Centrum Wiskunde & Informatica
Harry Buhrman
Harry Buhrman University of Amsterdam
Ivan Damgård
Ivan Damgård Aarhus University
Stephanie Wehner
Stephanie Wehner Delft University of Technology
Renato Renner
Renato Renner ETH Zurich
Barbara M. Terhal
Barbara M. Terhal Delft University of Technology
Leen Stougie
Leen Stougie Centrum Wiskunde & Informatica
Rafail Ostrovsky
Rafail Ostrovsky University of California, Los Angeles
Dan Boneh
Dan Boneh Stanford University
Marc Fischlin
Marc Fischlin Technical University of Darmstadt

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