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Georg Fuchsbauer

Associate Prof. Dipl.-Ing. Dr.

Research Areas

  • Complexity Theory, Privacy, Crypto Currencies, Cryptography, Provable Security, Blockchain Technology, Computer Security, Cybersecurity
Georg Fuchsbauer

About

Research in (public-key) cryptography with a focus on anonymous authentication (signatures, zero-knowledge proofs); applications to anonymous credentials, blockchains, secure messaging, ...

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2025W

2026S

 

  • Plonk Without Random Oracles / Fuchsbauer, G., & Sefranek, M. (2026, May 9). Plonk Without Random Oracles [Conference Presentation]. ZKProof 8, 2026, Rom, Italy. http://hdl.handle.net/20.500.12708/228151
    Projects: COnFIDE (2020–2029) / SFB SPyCoDe (2023–2030)
  • Schnorr Signatures are Tightly Secure in the ROM Under a Non-interactive Assumption / Cho, G., Fuchsbauer, G., O’Neill, A., & Sefranek, M. (2025). Schnorr Signatures are Tightly Secure in the ROM Under a Non-interactive Assumption. In Advances in Cryptology – CRYPTO 2025 : 45th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 17–21, 2025, Proceedings, Part VI (pp. 223–255). Springer. https://doi.org/10.1007/978-3-032-01887-8_8
    Projects: COnFIDE (2020–2029) / SFB SPyCoDe (2023–2030)
  • On Security Proofs of Existing Equivalence Class Signature Schemes / Bauer, B., Fuchsbauer, G., & Regen, F. (2024). On Security Proofs of Existing Equivalence Class Signature Schemes. In K.-M. Chung & Y. Sakaki (Eds.), Advances in Cryptology – ASIACRYPT 2024 : 30th International Conference on the Theory and Application of Cryptology and Information Security, Kolkata, India, December 9–13, 2024, Proceedings, Part II (pp. 3–37). Springer. https://doi.org/10.1007/978-981-96-0888-1_1
    Projects: COnFIDE (2020–2029) / SFB SPyCoDe (2023–2030)
  • Concurrently Secure Blind Schnorr Signatures / Fuchsbauer, G., & Wolf, M. (2024). Concurrently Secure Blind Schnorr Signatures. In Advances in Cryptology – EUROCRYPT 2024 (pp. 124–160). https://doi.org/10.1007/978-3-031-58723-8_5
    Projects: COnFIDE (2020–2029) / SFB SPyCoDe (2023–2030)
  • Updatable Public-Key Encryption, Revisited / Alwen, J., Fuchsbauer, G., & Mularczyk, M. (2024). Updatable Public-Key Encryption, Revisited. In Advances in Cryptology – EUROCRYPT 2024 (pp. 346–376). https://doi.org/10.1007/978-3-031-58754-2_13
    Projects: COnFIDE (2020–2029) / SFB SPyCoDe (2023–2030)
  • On Proving Equivalence Class Signatures Secure from Non-interactive Assumptions / Bauer, B., Fuchsbauer, G., & Regen, F. (2024). On Proving Equivalence Class Signatures Secure from Non-interactive Assumptions. In Public-Key Cryptography – PKC 2024 (pp. 3–36). https://doi.org/10.1007/978-3-031-57718-5_1
    Projects: COnFIDE (2020–2029) / SFB SPyCoDe (2023–2030)
  • Non-interactive Mimblewimble transactions, revisited / Fuchsbauer, G., & Orrù, M. (2023). Non-interactive Mimblewimble transactions, revisited. In Advances in Cryptology - ASIACRYPT 2022 (pp. 713–744). Springer. https://doi.org/10.1007/978-3-031-22963-3_24
    Project: COnFIDE (2020–2029)
  • SNACKs: Leveraging Proofs of Sequential Work for Blockchain Light Clients / Abusalah, H., Fuchsbauer, G., Gazi, P., & Klein, K. (2023). SNACKs: Leveraging Proofs of Sequential Work for Blockchain Light Clients. In Advances in Cryptology - ASIACRYPT 2022 (pp. 806–836). Springer. https://doi.org/10.1007/978-3-031-22963-3_27
    Project: COnFIDE (2020–2029)
  • The security of Mimblewimble / Fuchsbauer, G. (2022, June 27). The security of Mimblewimble [Keynote Presentation]. 22nd Central European Conference on Cryptography, Smolenice, Slovakia. http://hdl.handle.net/20.500.12708/153193
    Project: COnFIDE (2020–2029)
  • Double-authentication-preventing signatures in the standard model / Catalano, D., Fuchsbauer, G., & Soleimanian, A. (2022). Double-authentication-preventing signatures in the standard model. Journal of Computer Security, 30(1), 3–38. https://doi.org/10.3233/JCS-200117
    Project: COnFIDE (2020–2029)
  • Approximate Distance-Comparison-Preserving Symmetric Encryption / Fuchsbauer, G., Ghosal, R., Hauke, N., & O’Neill, A. (2022). Approximate Distance-Comparison-Preserving Symmetric Encryption. In Security and Cryptography for Networks (pp. 117–144). https://doi.org/10.1007/978-3-031-14791-3_6
  • Credential Transparency System / Chase, M., Fuchsbauer, G., Ghosh, E., & Plouviez, A. (2022). Credential Transparency System. In Security and Cryptography for Networks (pp. 313–335). https://doi.org/10.1007/978-3-031-14791-3_14
    Project: COnFIDE (2020–2029)
  • Transferable E-Cash: A Cleaner Model and the First Practical Instantiation / Bauer, B., Fuchsbauer, G., & Qian, C. (2021). Transferable E-Cash: A Cleaner Model and the First Practical Instantiation. In Public-Key Cryptography – PKC 2021 (pp. 559–590). Springer. https://doi.org/10.1007/978-3-030-75248-4_20
  • The One-More Discrete Logarithm Assumption in the Generic Group Model / Bauer, B., Fuchsbauer, G., & Plouviez, A. (2021). The One-More Discrete Logarithm Assumption in the Generic Group Model. In Advances in Cryptology – ASIACRYPT 2021 27th International Conference on the Theory and Application of Cryptology and Information Security, Singapore, December 6–10, 2021, Proceedings, Part IV (pp. 587–617). Springer. https://doi.org/10.1007/978-3-030-92068-5_20
  • Simpler Constructions of Asymmetric Primitives from Obfuscation / Farshim, P., Fuchsbauer, G., & Passelègue, A. (2020). Simpler Constructions of Asymmetric Primitives from Obfuscation. In Progress in Cryptology – INDOCRYPT 2020 (pp. 715–738). Springer. https://doi.org/10.1007/978-3-030-65277-7_32
  • Blind Schnorr Signatures and Signed ElGamal Encryption in the Algebraic Group Model / Fuchsbauer, G., Plouviez, A., & Seurin, Y. (2020). Blind Schnorr Signatures and Signed ElGamal Encryption in the Algebraic Group Model. In Advances in Cryptology – EUROCRYPT 2020 (pp. 63–95). Springer. https://doi.org/10.1007/978-3-030-45724-2_3
  • Efficient Signatures on Randomizable Ciphertexts / Bauer, B., & Fuchsbauer, G. (2020). Efficient Signatures on Randomizable Ciphertexts. In Security and Cryptography for Networks (pp. 359–381). Springer. https://doi.org/10.1007/978-3-030-57990-6_18
  • Double-Authentication-Preventing Signatures in the Standard Model / Catalano, D., Fuchsbauer, G., & Soleimanian, A. (2020). Double-Authentication-Preventing Signatures in the Standard Model. In Security and Cryptography for Networks (pp. 338–358). Springer. https://doi.org/10.1007/978-3-030-57990-6_17
  • A Classification of Computational Assumptions in the Algebraic Group Model / Bauer, B., Fuchsbauer, G., & Loss, J. (2020). A Classification of Computational Assumptions in the Algebraic Group Model. In Advances in Cryptology – CRYPTO 2020 (pp. 121–151). Springer. https://doi.org/10.1007/978-3-030-56880-1_5