Charlotte Hoffmann
7 Publications
2025 | Published | Conference Paper | IST-REx-ID: 19778 | 
Watermarkable and zero-knowledge Verifiable Delay Functions from any proof of exponentiation
C. Hoffmann, K.Z. Pietrzak, in:, 28th IACR International Conference on Practice and Theory of Public-Key Cryptography, Springer Nature, 2025, pp. 36–66.
[Preprint]
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C. Hoffmann, K.Z. Pietrzak, in:, 28th IACR International Conference on Practice and Theory of Public-Key Cryptography, Springer Nature, 2025, pp. 36–66.
2023 | Published | Conference Paper | IST-REx-ID: 13143 |
Certifying giant nonprimes
C. Hoffmann, P. Hubáček, C. Kamath, K.Z. Pietrzak, in:, Public-Key Cryptography - PKC 2023, Springer Nature, 2023, pp. 530–553.
[Submitted Version]
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C. Hoffmann, P. Hubáček, C. Kamath, K.Z. Pietrzak, in:, Public-Key Cryptography - PKC 2023, Springer Nature, 2023, pp. 530–553.
2023 | Published | Conference Paper | IST-REx-ID: 14692 |
Generic-group lower bounds via reductions between geometric-search problems: With and without preprocessing
B. Auerbach, C. Hoffmann, G. Pascual Perez, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 301–330.
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B. Auerbach, C. Hoffmann, G. Pascual Perez, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 301–330.
2023 | Conference Paper | IST-REx-ID: 14693 |
(Verifiable) delay functions from Lucas sequences
C. Hoffmann, P. Hubáček, C. Kamath, T. Krňák, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 336–362.
[Preprint]
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C. Hoffmann, P. Hubáček, C. Kamath, T. Krňák, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 336–362.
2023 | Published | Conference Paper | IST-REx-ID: 14457 |
Stronger lower bounds for leakage-resilient secret sharing
C. Hoffmann, M. Simkin, in:, 8th International Conference on Cryptology and Information Security in Latin America, Springer Nature, 2023, pp. 215–228.
[Preprint]
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C. Hoffmann, M. Simkin, in:, 8th International Conference on Cryptology and Information Security in Latin America, Springer Nature, 2023, pp. 215–228.
2022 | Published | Conference Paper | IST-REx-ID: 12516 |
Public-Key Encryption from Homogeneous CLWE
A. Bogdanov, M. Cueto Noval, C. Hoffmann, A. Rosen, in:, Theory of Cryptography, Springer Nature, 2022, pp. 565–592.
[Preprint]
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A. Bogdanov, M. Cueto Noval, C. Hoffmann, A. Rosen, in:, Theory of Cryptography, Springer Nature, 2022, pp. 565–592.
2022 | Published | Conference Paper | IST-REx-ID: 12176 |
Practical statistically-sound proofs of exponentiation in any group
C. Hoffmann, P. Hubáček, C. Kamath, K. Klein, K.Z. Pietrzak, in:, Advances in Cryptology – CRYPTO 2022, Springer Nature, 2022, pp. 370–399.
[Preprint]
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C. Hoffmann, P. Hubáček, C. Kamath, K. Klein, K.Z. Pietrzak, in:, Advances in Cryptology – CRYPTO 2022, Springer Nature, 2022, pp. 370–399.
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7 Publications
2025 | Published | Conference Paper | IST-REx-ID: 19778 |
Watermarkable and zero-knowledge Verifiable Delay Functions from any proof of exponentiation
C. Hoffmann, K.Z. Pietrzak, in:, 28th IACR International Conference on Practice and Theory of Public-Key Cryptography, Springer Nature, 2025, pp. 36–66.
[Preprint]
View
| DOI
| Download Preprint (ext.)
C. Hoffmann, K.Z. Pietrzak, in:, 28th IACR International Conference on Practice and Theory of Public-Key Cryptography, Springer Nature, 2025, pp. 36–66.
2023 | Published | Conference Paper | IST-REx-ID: 13143 |
Certifying giant nonprimes
C. Hoffmann, P. Hubáček, C. Kamath, K.Z. Pietrzak, in:, Public-Key Cryptography - PKC 2023, Springer Nature, 2023, pp. 530–553.
[Submitted Version]
View
| DOI
| Download Submitted Version (ext.)
C. Hoffmann, P. Hubáček, C. Kamath, K.Z. Pietrzak, in:, Public-Key Cryptography - PKC 2023, Springer Nature, 2023, pp. 530–553.
2023 | Published | Conference Paper | IST-REx-ID: 14692 |
Generic-group lower bounds via reductions between geometric-search problems: With and without preprocessing
B. Auerbach, C. Hoffmann, G. Pascual Perez, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 301–330.
[Preprint]
View
| DOI
| Download Preprint (ext.)
B. Auerbach, C. Hoffmann, G. Pascual Perez, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 301–330.
2023 | Conference Paper | IST-REx-ID: 14693 |
(Verifiable) delay functions from Lucas sequences
C. Hoffmann, P. Hubáček, C. Kamath, T. Krňák, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 336–362.
[Preprint]
View
| DOI
| Download Preprint (ext.)
C. Hoffmann, P. Hubáček, C. Kamath, T. Krňák, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 336–362.
2023 | Published | Conference Paper | IST-REx-ID: 14457 |
Stronger lower bounds for leakage-resilient secret sharing
C. Hoffmann, M. Simkin, in:, 8th International Conference on Cryptology and Information Security in Latin America, Springer Nature, 2023, pp. 215–228.
[Preprint]
View
| DOI
| Download Preprint (ext.)
C. Hoffmann, M. Simkin, in:, 8th International Conference on Cryptology and Information Security in Latin America, Springer Nature, 2023, pp. 215–228.
2022 | Published | Conference Paper | IST-REx-ID: 12516 |
Public-Key Encryption from Homogeneous CLWE
A. Bogdanov, M. Cueto Noval, C. Hoffmann, A. Rosen, in:, Theory of Cryptography, Springer Nature, 2022, pp. 565–592.
[Preprint]
View
| DOI
| Download Preprint (ext.)
| WoS
A. Bogdanov, M. Cueto Noval, C. Hoffmann, A. Rosen, in:, Theory of Cryptography, Springer Nature, 2022, pp. 565–592.
2022 | Published | Conference Paper | IST-REx-ID: 12176 |
Practical statistically-sound proofs of exponentiation in any group
C. Hoffmann, P. Hubáček, C. Kamath, K. Klein, K.Z. Pietrzak, in:, Advances in Cryptology – CRYPTO 2022, Springer Nature, 2022, pp. 370–399.
[Preprint]
View
| DOI
| Download Preprint (ext.)
| WoS
C. Hoffmann, P. Hubáček, C. Kamath, K. Klein, K.Z. Pietrzak, in:, Advances in Cryptology – CRYPTO 2022, Springer Nature, 2022, pp. 370–399.