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Christoph Günther

Mirza Baig

Akin Ünal

Miguel Cueto Noval

Guillermo Pascual Perez

Krzysztof Pietrzak

Benedikt Auerbach

Anshu Yadav

Charlotte Hoffmann

Georgia Avarikioti

Schipper, Joachim

Peter Gazi

Hamza Abusalah

Stephan Krenn

Chethan Kamath Hosdurg

Michal Rybar

Michael Walter

Georg Fuchsbauer

Michelle Yeo

Suvradip Chakraborty

Karen Klein

Joel Alwen



127 Publications

2018 | Conference Paper | IST-REx-ID: 302 | OA
Simple proofs of sequential work
B. Cohen, K.Z. Pietrzak, in:, Springer, 2018, pp. 451–467.
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2018 | Conference Paper | IST-REx-ID: 298 | OA
Sustained space complexity
J.F. Alwen, J. Blocki, K.Z. Pietrzak, in:, Springer, 2018, pp. 99–130.
[Preprint] View | DOI | Download Preprint (ext.) | WoS | arXiv
 
2018 | Journal Article | IST-REx-ID: 5980
Private set-intersection with common set-up
S. Chatterjee, C. Kamath Hosdurg, V. Kumar, American Institute of Mathematical Sciences 12 (2018) 17–47.
View | DOI | WoS
 
2018 | Conference Paper | IST-REx-ID: 6941 | OA
SpaceMint: A cryptocurrency based on proofs of space
S. Park, A. Kwon, G. Fuchsbauer, P. Gazi, J.F. Alwen, K.Z. Pietrzak, in:, 22nd International Conference on Financial Cryptography and Data Security, Springer Nature, 2018, pp. 480–499.
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2017 | Conference Paper | IST-REx-ID: 1175 | OA
Cumulative space in black-white pebbling and resolution
J.F. Alwen, S. De Rezende, J. Nordstrom, M. Vinyals, in:, C. Papadimitriou (Ed.), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017, p. 38:1-38-21.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 605 | OA
Position based cryptography and multiparty communication complexity
J. Brody, S. Dziembowski, S. Faust, K.Z. Pietrzak, in:, Y. Kalai, L. Reyzin (Eds.), Springer, 2017, pp. 56–81.
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2017 | Conference Paper | IST-REx-ID: 609 | OA
Moderately hard functions: Definition, instantiations, and applications
J.F. Alwen, B. Tackmann, in:, Y. Kalai, L. Reyzin (Eds.), Springer, 2017, pp. 493–526.
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2017 | Conference Paper | IST-REx-ID: 635 | OA
Scrypt is maximally memory hard
J.F. Alwen, B. Chen, K.Z. Pietrzak, L. Reyzin, S. Tessaro, in:, J.-S. Coron, J. Buus Nielsen (Eds.), Springer, 2017, pp. 33–62.
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2017 | Conference Paper | IST-REx-ID: 640 | OA
Depth-robust graphs and their cumulative memory complexity
J.F. Alwen, J. Blocki, K.Z. Pietrzak, in:, J.-S. Coron, J. Buus Nielsen (Eds.), Springer, 2017, pp. 3–32.
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2017 | Conference Paper | IST-REx-ID: 648 | OA
On the complexity of breaking pseudoentropy
M. Skórski, in:, G. Jäger, S. Steila (Eds.), Springer, 2017, pp. 600–613.
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2017 | Conference Paper | IST-REx-ID: 650 | OA
A cryptographic view of regularity lemmas: Simpler unified proofs and refined bounds
M. Skórski, in:, G. Jäger, S. Steila (Eds.), Springer, 2017, pp. 586–599.
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2017 | Conference Paper | IST-REx-ID: 6527 | OA
Practical graphs for optimal side-channel resistant memory-hard functions
J.F. Alwen, J. Blocki, B. Harsha, in:, Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security, ACM Press, 2017, pp. 1001–1017.
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2017 | Conference Paper | IST-REx-ID: 6526 | OA
On the complexity of estimating Rènyi divergences
M. Skórski, in:, 2017 IEEE International Symposium on Information Theory (ISIT), IEEE, 2017.
[Preprint] View | DOI | Download Preprint (ext.) | arXiv
 
2017 | Conference Paper | IST-REx-ID: 697 | OA
Non uniform attacks against pseudoentropy
K.Z. Pietrzak, M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 710 | OA
Renyi entropy estimation revisited
M. Obremski, M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
[Published Version] View | Files available | DOI
 
2017 | Thesis | IST-REx-ID: 838 | OA
(The exact security of) Message authentication codes
M. Rybar, (The Exact Security of) Message Authentication Codes, Institute of Science and Technology Austria, 2017.
[Published Version] View | Files available | DOI
 
2017 | Journal Article | IST-REx-ID: 6196 | OA
The exact security of PMAC
P. Gazi, K.Z. Pietrzak, M. Rybar, IACR Transactions on Symmetric Cryptology 2016 (2017) 145–161.
[Published Version] View | Files available | DOI
 
2017 | Conference Paper | IST-REx-ID: 559 | OA
Beyond Hellman’s time-memory trade-offs with applications to proofs of space
H.M. Abusalah, J.F. Alwen, B. Cohen, D. Khilko, K.Z. Pietrzak, L. Reyzin, in:, Springer, 2017, pp. 357–379.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 
2017 | Conference Paper | IST-REx-ID: 637 | OA
Be adaptive avoid overcommitting
Z. Jafargholi, C. Kamath Hosdurg, K. Klein, I. Komargodski, K.Z. Pietrzak, D. Wichs, in:, J. Katz, H. Shacham (Eds.), Springer, 2017, pp. 133–163.
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2017 | Conference Paper | IST-REx-ID: 1174 | OA
Lower bounds on key derivation for square-friendly applications
M. Skórski, in:, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017.
[Submitted Version] View | DOI | Download Submitted Version (ext.) | WoS
 
2017 | Conference Paper | IST-REx-ID: 1176 | OA
Towards practical attacks on Argon2i and balloon hashing
J.F. Alwen, J. Blocki, in:, IEEE, 2017.
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2017 | Journal Article | IST-REx-ID: 1187 | OA
Efficient authentication from hard learning problems
E. Kiltz, K.Z. Pietrzak, D. Venturi, D. Cash, A. Jain, Journal of Cryptology 30 (2017) 1238–1275.
[Submitted Version] View | Files available | DOI | WoS
 
2016 | Journal Article | IST-REx-ID: 1177 | OA
A closer look at multiple-forking: Leveraging (in)dependence for a tighter bound
C. Kamath Hosdurg, S. Chatterjee, Algorithmica 74 (2016) 1321–1362.
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2016 | Conference Paper | IST-REx-ID: 1179 | OA
Pseudoentropy: Lower-bounds for chain rules and transformations
K.Z. Pietrzak, S. Maciej, in:, Springer, 2016, pp. 183–203.
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2016 | Conference Paper | IST-REx-ID: 1231 | OA
On the complexity of scrypt and proofs of space in the parallel random oracle model
J.F. Alwen, B. Chen, C. Kamath Hosdurg, V. Kolmogorov, K.Z. Pietrzak, S. Tessaro, in:, Springer, 2016, pp. 358–387.
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2016 | Conference Paper | IST-REx-ID: 1233 | OA
Standard security does imply security against selective opening for markov distributions
G. Fuchsbauer, F. Heuer, E. Kiltz, K.Z. Pietrzak, in:, Springer, 2016, pp. 282–305.
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2016 | Conference Paper | IST-REx-ID: 1365 | OA
Efficiently computing data-independent memory-hard functions
J.F. Alwen, J. Blocki, in:, Springer, 2016, pp. 241–271.
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2016 | Conference Paper | IST-REx-ID: 1366 | OA
Provably robust sponge-based PRNGs and KDFs
P. Gazi, S. Tessaro, in:, Springer, 2016, pp. 87–116.
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2016 | Journal Article | IST-REx-ID: 1592
Structure preserving signatures and commitments to group elements
M. Abe, G. Fuchsbauer, J. Groth, K. Haralambiev, M. Ohkubo, Journal of Cryptology 29 (2016) 363–421.
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2016 | Conference Paper | IST-REx-ID: 1225 | OA
Practical round-optimal blind signatures in the standard model from weaker assumptions
G. Fuchsbauer, C. Hanser, C. Kamath Hosdurg, D. Slamanig, in:, Springer, 2016, pp. 391–408.
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2016 | Conference Paper | IST-REx-ID: 1653 | OA
New realizations of somewhere statistically binding hashing and positional accumulators
T. Okamoto, K.Z. Pietrzak, B. Waters, D. Wichs, in:, Springer, 2016, pp. 121–145.
[Submitted Version] View | Files available | DOI
 
2016 | Journal Article | IST-REx-ID: 1479 | OA
A counterexample to the chain rule for conditional HILL entropy
S. Krenn, K.Z. Pietrzak, A. Wadia, D. Wichs, Computational Complexity 25 (2016) 567–605.
[Submitted Version] View | Files available | DOI
 
2016 | Conference Paper | IST-REx-ID: 1229 | OA
Offline witness encryption
H.M. Abusalah, G. Fuchsbauer, K.Z. Pietrzak, in:, Springer, 2016, pp. 285–303.
[Submitted Version] View | Files available | DOI
 
2016 | Conference Paper | IST-REx-ID: 1236 | OA
Constrained PRFs for unbounded inputs
H.M. Abusalah, G. Fuchsbauer, K.Z. Pietrzak, in:, Springer, 2016, pp. 413–428.
[Submitted Version] View | Files available | DOI
 
2016 | Conference Paper | IST-REx-ID: 1235 | OA
Constrained PRFs for unbounded inputs with short keys
H.M. Abusalah, G. Fuchsbauer, in:, Springer, 2016, pp. 445–463.
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2015 | Conference Paper | IST-REx-ID: 1474 | OA
Policy privacy in cryptographic access control
A. Ferrara, G. Fuchsbauer, B. Liu, B. Warinschi, in:, IEEE, 2015, pp. 46–60.
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2015 | Conference Paper | IST-REx-ID: 1646 | OA
Key-homomorphic constrained pseudorandom functions
A. Banerjee, G. Fuchsbauer, C. Peikert, K.Z. Pietrzak, S. Stevens, in:, 12th Theory of Cryptography Conference, Springer Nature, 2015, pp. 31–60.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 
2015 | Conference Paper | IST-REx-ID: 1648 | OA
A quasipolynomial reduction for generalized selective decryption on trees
G. Fuchsbauer, Z. Jafargholi, K.Z. Pietrzak, in:, Springer, 2015, pp. 601–620.
[Submitted Version] View | Files available | DOI
 
2015 | Conference Paper | IST-REx-ID: 1649 | OA
Efficient zero-knowledge proofs for commitments from learning with errors over rings
F. Benhamouda, S. Krenn, V. Lyubashevsky, K.Z. Pietrzak, 9326 (2015) 305–325.
[Published Version] View | Files available | DOI
 
2015 | Conference Paper | IST-REx-ID: 1644 | OA
Query-complexity amplification for random oracles
G. Demay, P. Gazi, U. Maurer, B. Tackmann, in:, Springer, 2015, pp. 159–180.
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2015 | Conference Paper | IST-REx-ID: 1647 | OA
Practical round-optimal blind signatures in the standard model
G. Fuchsbauer, C. Hanser, D. Slamanig, in:, Springer, 2015, pp. 233–253.
[Submitted Version] View | Files available | DOI | Download Submitted Version (ext.)
 
2015 | Conference Paper | IST-REx-ID: 1645
Secret-key cryptography from ideal primitives: A systematic verview
P. Gazi, S. Tessaro, in:, 2015 IEEE Information Theory Workshop, IEEE, 2015.
View | DOI
 
2015 | Conference Paper | IST-REx-ID: 1654 | OA
Generic security of NMAC and HMAC with input whitening
P. Gazi, K.Z. Pietrzak, S. Tessaro, 9453 (2015) 85–109.
[Submitted Version] View | Files available | DOI
 
2015 | Conference Paper | IST-REx-ID: 1650 | OA
Condensed unpredictability
M. Skórski, A. Golovnev, K.Z. Pietrzak, in:, Springer, 2015, pp. 1046–1057.
[Published Version] View | Files available | DOI
 
2015 | Conference Paper | IST-REx-ID: 1651 | OA
Anonymous transferable e-cash
F. Baldimtsi, M. Chase, G. Fuchsbauer, M. Kohlweiss, in:, Public-Key Cryptography - PKC 2015, Springer, 2015, pp. 101–124.
[Published Version] View | DOI | Download Published Version (ext.)
 
2015 | Conference Paper | IST-REx-ID: 1652 | OA
High parallel complexity graphs and memory-hard functions
J.F. Alwen, V. Serbinenko, in:, Proceedings of the 47th Annual ACM Symposium on Theory of Computing, ACM, 2015, pp. 595–603.
[Submitted Version] View | DOI | Download Submitted Version (ext.)
 
2015 | Conference Paper | IST-REx-ID: 1672 | OA
Incoercible multi-party computation and universally composable receipt-free voting
J.F. Alwen, R. Ostrovsky, H. Zhou, V. Zikas, in:, Advances in Cryptology - CRYPTO 2015, Springer, 2015, pp. 763–780.
[Submitted Version] View | Files available | DOI
 
2015 | Conference Paper | IST-REx-ID: 1669 | OA
The chain rule for HILL pseudoentropy, revisited
K.Z. Pietrzak, M. Skórski, 9230 (2015) 81–98.
[Submitted Version] View | Files available | DOI
 
2015 | Conference Paper | IST-REx-ID: 1671 | OA
The exact PRF security of truncation: Tight bounds for keyed sponges and truncated CBC
P. Gazi, K.Z. Pietrzak, S. Tessaro, in:, Springer, 2015, pp. 368–387.
[Submitted Version] View | Files available | DOI
 
2015 | Conference Paper | IST-REx-ID: 1668 | OA
Relaxing full-codebook security: A refined analysis of key-length extension schemes
P. Gazi, J. Lee, Y. Seurin, J. Steinberger, S. Tessaro, 9054 (2015) 319–341.
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