Krzysztof Z Pietrzak

Pietrzak Group

86 Publications

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[86]
2020 | Conference Paper | IST-REx-ID: 8987 | OA
Delayed authentication: Preventing replay and relay attacks in private contact tracing
K.Z. Pietrzak, in:, Progress in Cryptology, Springer Nature, 2020, pp. 3–15.
View | DOI | Download Preprint (ext.)
 
[85]
2019 | Conference Paper | IST-REx-ID: 7411 | OA
Reversible proofs of sequential work
H.M. Abusalah, C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, M. Walter, in:, Advances in Cryptology – EUROCRYPT 2019, Springer International Publishing, 2019, pp. 277–291.
View | DOI | Download Submitted Version (ext.)
 
[84]
2019 | Conference Paper | IST-REx-ID: 6430 | OA
Adaptively secure proxy re-encryption
G. Fuchsbauer, C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, Springer Nature, 2019, pp. 317–346.
View | DOI | Download Preprint (ext.)
 
[83]
2019 | Conference Paper | IST-REx-ID: 6528 | OA
Simple verifiable delay functions
K.Z. Pietrzak, in:, 10th Innovations in Theoretical Computer Science Conference, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2019.
View | Files available | DOI | Download Published Version (ext.)
 
[82]
2019 | Conference Paper | IST-REx-ID: 6677 | OA
Finding a Nash equilibrium is no easier than breaking Fiat-Shamir
A.R. Choudhuri, P. Hubáček, C. Kamath Hosdurg, K.Z. Pietrzak, A. Rosen, G.N. Rothblum, in:, Proceedings of the 51st Annual ACM SIGACT Symposium on Theory of Computing  - STOC 2019, ACM Press, 2019, pp. 1103–1114.
View | Files available | DOI | Download Preprint (ext.)
 
[81]
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.
View | DOI | Download Preprint (ext.) | arXiv
 
[80]
2018 | Conference Paper | IST-REx-ID: 193 | OA
On the memory hardness of data independent password hashing functions
J.F. Alwen, P. Gazi, C. Kamath Hosdurg, K. Klein, G.F. Osang, K.Z. Pietrzak, L. Reyzin, M. Rolinek, M. Rybar, in:, Proceedings of the 2018 on Asia Conference on Computer and Communication Security, ACM, 2018, pp. 51–65.
View | DOI | Download Submitted Version (ext.)
 
[79]
2018 | Conference Paper | IST-REx-ID: 7407 | OA
Proofs of catalytic space
K.Z. Pietrzak, in:, 10th Innovations in Theoretical Computer Science  Conference (ITCS 2019), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2018, p. 59:1-59:25.
View | Files available | DOI | Download Published Version (ext.)
 
[78]
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.
View | DOI | Download Submitted Version (ext.)
 
[77]
2018 | Journal Article | IST-REx-ID: 107 | OA
Non-malleable codes
S. Dziembowski, K.Z. Pietrzak, D. Wichs, Journal of the ACM 65 (2018).
View | DOI | Download Preprint (ext.)
 
[76]
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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[75]
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.
View | Files available | DOI | Download Submitted Version (ext.)
 
[74]
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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[73]
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.
View | Files available | DOI
 
[72]
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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[71]
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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[70]
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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[69]
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.
View | Files available | DOI
 
[68]
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.
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[67]
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.
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[66]
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.
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[65]
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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[64]
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.
View | Files available | DOI
 
[63]
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.
View | DOI | Download Submitted Version (ext.)
 
[62]
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.
View | DOI | Download Submitted Version (ext.)
 
[61]
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.
View | Files available | DOI
 
[60]
2015 | Conference Paper | IST-REx-ID: 1646 | OA
Key-homomorphic constrained pseudorandom functions
A. Banerjee, G. Fuchsbauer, C. Peikert, K.Z. Pietrzak, S. Stevens, 9015 (2015) 31–60.
View | Files available | DOI
 
[59]
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.
View | Files available | DOI
 
[58]
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.
View | Files available | DOI
 
[57]
2015 | Conference Paper | IST-REx-ID: 1650 | OA
Condensed unpredictability
M. Skórski, A. Golovnev, K.Z. Pietrzak, in:, Springer, 2015, pp. 1046–1057.
View | Files available | DOI
 
[56]
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.
View | Files available | DOI
 
[55]
2015 | Conference Paper | IST-REx-ID: 1669 | OA
The chain rule for HILL pseudoentropy, revisited
K.Z. Pietrzak, M. Skórski, 9230 (2015) 81–98.
View | Files available | DOI
 
[54]
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.
View | Files available | DOI
 
[53]
2015 | Conference Paper | IST-REx-ID: 1675
Proofs of space
S. Dziembowski, S. Faust, V. Kolmogorov, K.Z. Pietrzak, 9216 (2015) 585–605.
View | Files available | DOI
 
[52]
2014 | Journal Article | IST-REx-ID: 2852
Robust multi-property combiners for hash functions
M. Fischlin, A. Lehmann, K.Z. Pietrzak, Journal of Cryptology 27 (2014) 397–428.
View | Files available | DOI
 
[51]
2014 | Conference Paper | IST-REx-ID: 1927 | OA
Adaptive security of constrained PRFs
G. Fuchsbauer, M. Konstantinov, K.Z. Pietrzak, V. Rao, in:, Springer, 2014, pp. 173–192.
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[50]
2014 | Conference Paper | IST-REx-ID: 2082 | OA
The exact PRF-security of NMAC and HMAC
P. Gazi, K.Z. Pietrzak, M. Rybar, in:, J. Garay, R. Gennaro (Eds.), Springer, 2014, pp. 113–130.
View | Files available | DOI
 
[49]
2014 | Conference Paper | IST-REx-ID: 2185 | OA
Key derivation without entropy waste
Y. Dodis, K.Z. Pietrzak, D. Wichs, in:, P. Nguyen, E. Oswald (Eds.), Springer, 2014, pp. 93–110.
View | Files available | DOI
 
[48]
2014 | Conference Paper | IST-REx-ID: 2219 | OA
Simple chosen-ciphertext security from low noise LPN
E. Kiltz, D. Masny, K.Z. Pietrzak, in:, Springer, 2014, pp. 1–18.
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[47]
2014 | Conference Paper | IST-REx-ID: 2236 | OA
How to fake auxiliary input
D. Jetchev, K.Z. Pietrzak, in:, Y. Lindell (Ed.), Springer, 2014, pp. 566–590.
View | Files available | DOI | Download Submitted Version (ext.)
 
[46]
2013 | Report | IST-REx-ID: 2274 | OA
Proofs of Space
S. Dziembowski, S. Faust, V. Kolmogorov, K.Z. Pietrzak, Proofs of Space, IST Austria, 2013.
View | Files available
 
[45]
2013 | Conference Paper | IST-REx-ID: 2940 | OA
A counterexample to the chain rule for conditional HILL entropy, and what deniable encryption has to do with it
S. Krenn, K.Z. Pietrzak, A. Wadia, in:, A. Sahai (Ed.), Springer, 2013, pp. 23–39.
View | Files available | DOI
 
[44]
2013 | Conference Paper | IST-REx-ID: 2258 | OA
Digital signatures with minimal overhead from indifferentiable random invertible functions
E. Kiltz, K.Z. Pietrzak, M. Szegedy, 8042 (2013) 571–588.
View | Files available | DOI
 
[43]
2013 | Conference Paper | IST-REx-ID: 2259 | OA
Learning with rounding, revisited: New reduction properties and applications
J.F. Alwen, S. Krenn, K.Z. Pietrzak, D. Wichs, 8042 (2013) 57–74.
View | Files available | DOI
 
[42]
2012 | Conference Paper | IST-REx-ID: 2974 | OA
Commitments and efficient zero knowledge proofs from learning parity with noise
A. Jain, S. Krenn, K.Z. Pietrzak, A. Tentes, in:, X. Wang, K. Sako (Eds.), Springer, 2012, pp. 663–680.
View | Files available | DOI
 
[41]
2012 | Conference Paper | IST-REx-ID: 2048 | OA
Practical leakage-resilient symmetric cryptography
S. Faust, K.Z. Pietrzak, J. Schipper, in:, Conference Proceedings CHES 2012, Springer, 2012, pp. 213–232.
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[40]
2012 | Conference Paper | IST-REx-ID: 2049 | OA
Lapin: An efficient authentication protocol based on ring-LPN
S. Heyse, E. Kiltz, V. Lyubashevsky, C. Paar, K.Z. Pietrzak, in:, Conference Proceedings FSE 2012, Springer, 2012, pp. 346–365.
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[39]
2012 | Journal Article | IST-REx-ID: 3241
Parallel repetition of computationally sound protocols revisited
K.Z. Pietrzak, D. Wikström, Journal of Cryptology 25 (2012) 116–135.
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[38]
2012 | Conference Paper | IST-REx-ID: 3250
Cryptography from learning parity with noise
K.Z. Pietrzak, in:, Springer, 2012, pp. 99–114.
View | DOI
 
[37]
2012 | Conference Paper | IST-REx-ID: 3279
Hardness preserving constructions of pseudorandom functions
A. Jain, K.Z. Pietrzak, A. Tentes, in:, Springer, 2012, pp. 369–382.
View | DOI | Download None (ext.)
 
[36]
2012 | Conference Paper | IST-REx-ID: 3280 | OA
Subspace LWE
K.Z. Pietrzak, in:, Springer, 2012, pp. 548–563.
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[35]
2012 | Conference Paper | IST-REx-ID: 3281
Lossy functions do not amplify well
K.Z. Pietrzak, A. Rosen, G. Segev, in:, Springer, 2012, pp. 458–475.
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[34]
2012 | Conference Paper | IST-REx-ID: 3282 | OA
Message authentication, revisited
Y. Dodis, K.Z. Pietrzak, E. Kiltz, D. Wichs, in:, Springer, 2012, pp. 355–374.
View | Files available | DOI
 
[33]
2011 | Conference Paper | IST-REx-ID: 3236
Parallel repetition for leakage resilience amplification revisited
A. Jain, K.Z. Pietrzak, in:, Springer, 2011, pp. 58–69.
View | DOI
 
[32]
2011 | Conference Paper | IST-REx-ID: 3238
Efficient authentication from hard learning problems
E. Kiltz, K.Z. Pietrzak, D. Cash, A. Jain, D. Venturi, in:, Springer, 2011, pp. 7–26.
View | Files available | DOI
 
[31]
2011 | Conference Paper | IST-REx-ID: 3239
Tamper proof circuits How to trade leakage for tamper resilience
S. Faust, K.Z. Pietrzak, D. Venturi, in:, Springer, 2011, pp. 391–402.
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[30]
2011 | Conference Paper | IST-REx-ID: 3240
Leftover hash lemma revisited
B. Barak, Y. Dodis, H. Krawczyk, O. Pereira, K.Z. Pietrzak, F. Standaert, Y. Yu, in:, Springer, 2011, pp. 1–20.
View | DOI
 
[29]
2010 | Conference Paper | IST-REx-ID: 3233
An efficient parallel repetition theorem
J. Håstad, R. Pass, D. Wikström, K.Z. Pietrzak, in:, Springer, 2010, pp. 1–18.
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[28]
2010 | Conference Paper | IST-REx-ID: 3234
Leakage resilient signatures
S. Faust, E. Kiltz, K.Z. Pietrzak, G. Rothblum, in:, Springer, 2010, pp. 343–360.
View | DOI
 
[27]
2010 | Conference Paper | IST-REx-ID: 3235
Leakage resilient pseudorandom functions and side channel attacks on feistel networks
Y. Dodis, K.Z. Pietrzak, in:, Springer, 2010, pp. 21–40.
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[26]
2010 | Conference Paper | IST-REx-ID: 3237
Leakage resilient ElGamal encryption
E. Kiltz, K.Z. Pietrzak, in:, Springer, 2010, pp. 595–612.
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[25]
2009 | Conference Paper | IST-REx-ID: 3230
A new randomness extraction paradigm for hybrid encryption
E. Kiltz, K.Z. Pietrzak, M. Stam, M. Yung, in:, Springer, 2009, pp. 590–609.
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[24]
2009 | Conference Paper | IST-REx-ID: 3231
On the security of padding based encryption schemes Why We cannot prove OAEP secure in the standard model
E. Kiltz, K.Z. Pietrzak, in:, Springer, 2009, pp. 389–406.
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[23]
2009 | Conference Paper | IST-REx-ID: 3232
A leakage resilient mode of operation
K.Z. Pietrzak, in:, Springer, 2009, pp. 462–482.
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[22]
2008 | Conference Paper | IST-REx-ID: 3224
A new mode of operation for block ciphers and length preserving MACs
Y. Dodis, K.Z. Pietrzak, P. Puniya, in:, Springer, 2008, pp. 198–219.
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[21]
2008 | Conference Paper | IST-REx-ID: 3225
Robust multi property combiners for hash functions revisited
M. Fischlin, A. Lehmann, K.Z. Pietrzak, in:, Springer, 2008, pp. 655–666.
View | Files available | DOI
 
[20]
2008 | Conference Paper | IST-REx-ID: 3226
Weak pseudorandom functions in minicrypt
K.Z. Pietrzak, J. Sjödin, in:, Springer, 2008, pp. 423–436.
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[19]
2008 | Journal Article | IST-REx-ID: 3227
Elektrowiz – system of measurement data management
P. Zubielik, J. Nadaczny, K.Z. Pietrzak, M. Lawenda, Przeglad Elektrotechniczny 84 (2008) 239–242.
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[18]
2008 | Conference Paper | IST-REx-ID: 3228
Compression from collisions or why CRHF combiners have a long output
K.Z. Pietrzak, in:, Springer, 2008, pp. 413–432.
View | DOI
 
[17]
2008 | Conference Paper | IST-REx-ID: 3229
Leakage resilient cryptography
S. Dziembowski, K.Z. Pietrzak, in:, IEEE, 2008, pp. 293–302.
View | DOI
 
[16]
2007 | Conference Paper | IST-REx-ID: 3218
Non-trivial black-box combiners for collision-resistant hash-functions don't exist
K.Z. Pietrzak, in:, Springer, 2007, pp. 23–33.
View | DOI
 
[15]
2007 | Conference Paper | IST-REx-ID: 3219
Indistinguishability amplification
U. Maurer, K.Z. Pietrzak, R. Renner, in:, Springer, 2007, pp. 130–149.
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[14]
2007 | Conference Paper | IST-REx-ID: 3220
Intrusion resilient secret sharing
S. Dziembowski, K.Z. Pietrzak, in:, IEEE, 2007, pp. 227–237.
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[13]
2007 | Conference Paper | IST-REx-ID: 3221
Range extension for weak PRFs the good the bad and the ugly
K.Z. Pietrzak, J. Sjödin, in:, Springer, 2007, pp. 517–533.
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[12]
2007 | Conference Paper | IST-REx-ID: 3222
Parallel repetition of computationally sound protocols revisited
K.Z. Pietrzak, D. Wikström, in:, Springer, 2007, pp. 86–102.
View | DOI
 
[11]
2007 | Conference Paper | IST-REx-ID: 3223
Improving the security of MACs via randomized message preprocessing
Y. Dodis, K.Z. Pietrzak, in:, Springer, 2007, pp. 414–433.
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[10]
2006 | Conference Paper | IST-REx-ID: 3214
Luby Rackoff ciphers from weak round functions
U. Maurer, Y. Oswald, K.Z. Pietrzak, J. Sjödin, in:, Springer, 2006, pp. 391–408.
View | DOI
 
[9]
2006 | Conference Paper | IST-REx-ID: 3215
Separating sources for encryption and secret sharing
Y. Dodis, K.Z. Pietrzak, B. Przydatek, in:, Springer, 2006, pp. 601–616.
View | DOI
 
[8]
2006 | Conference Paper | IST-REx-ID: 3216
A tight bound for EMAC
K.Z. Pietrzak, in:, Springer, 2006, pp. 168–179.
View | DOI
 
[7]
2006 | Conference Paper | IST-REx-ID: 3217
Composition implies adaptive security in minicrypt
K.Z. Pietrzak, in:, Springer, 2006, pp. 328–338.
View | DOI
 
[6]
2005 | Conference Paper | IST-REx-ID: 3211
Improved security analyses for CBC MACs
M. Bellare, K.Z. Pietrzak, P. Rogaway, in:, Springer, 2005, pp. 527–545.
View | DOI
 
[5]
2005 | Conference Paper | IST-REx-ID: 3212
On the generic insecurity of the full domain hash
Y. Dodis, R. Oliveira, K.Z. Pietrzak, in:, Springer, 2005, pp. 449–466.
View | DOI
 
[4]
2005 | Conference Paper | IST-REx-ID: 3213
Composition does not imply adaptive security
K.Z. Pietrzak, in:, Springer, 2005, pp. 55–65.
View | DOI
 
[3]
2004 | Conference Paper | IST-REx-ID: 3208
Composition of random systems: When two weak make one strong
U. Maurer, K.Z. Pietrzak, in:, Springer, 2004, pp. 410–427.
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[2]
2003 | Journal Article | IST-REx-ID: 3209
On the parameterized complexity of the fixed alphabet shortest common supersequence and longest common subsequence problems
K.Z. Pietrzak, Journal of Computer and System Sciences 67 (2003) 757–771.
View | DOI
 
[1]
2003 | Conference Paper | IST-REx-ID: 3210
The security of many round Luby Rackoff pseudo random permutations
U. Maurer, K.Z. Pietrzak, in:, Springer, 2003, pp. 544–561.
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86 Publications

Mark all

[86]
2020 | Conference Paper | IST-REx-ID: 8987 | OA
Delayed authentication: Preventing replay and relay attacks in private contact tracing
K.Z. Pietrzak, in:, Progress in Cryptology, Springer Nature, 2020, pp. 3–15.
View | DOI | Download Preprint (ext.)
 
[85]
2019 | Conference Paper | IST-REx-ID: 7411 | OA
Reversible proofs of sequential work
H.M. Abusalah, C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, M. Walter, in:, Advances in Cryptology – EUROCRYPT 2019, Springer International Publishing, 2019, pp. 277–291.
View | DOI | Download Submitted Version (ext.)
 
[84]
2019 | Conference Paper | IST-REx-ID: 6430 | OA
Adaptively secure proxy re-encryption
G. Fuchsbauer, C. Kamath Hosdurg, K. Klein, K.Z. Pietrzak, in:, Springer Nature, 2019, pp. 317–346.
View | DOI | Download Preprint (ext.)
 
[83]
2019 | Conference Paper | IST-REx-ID: 6528 | OA
Simple verifiable delay functions
K.Z. Pietrzak, in:, 10th Innovations in Theoretical Computer Science Conference, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2019.
View | Files available | DOI | Download Published Version (ext.)
 
[82]
2019 | Conference Paper | IST-REx-ID: 6677 | OA
Finding a Nash equilibrium is no easier than breaking Fiat-Shamir
A.R. Choudhuri, P. Hubáček, C. Kamath Hosdurg, K.Z. Pietrzak, A. Rosen, G.N. Rothblum, in:, Proceedings of the 51st Annual ACM SIGACT Symposium on Theory of Computing  - STOC 2019, ACM Press, 2019, pp. 1103–1114.
View | Files available | DOI | Download Preprint (ext.)
 
[81]
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.
View | DOI | Download Preprint (ext.) | arXiv
 
[80]
2018 | Conference Paper | IST-REx-ID: 193 | OA
On the memory hardness of data independent password hashing functions
J.F. Alwen, P. Gazi, C. Kamath Hosdurg, K. Klein, G.F. Osang, K.Z. Pietrzak, L. Reyzin, M. Rolinek, M. Rybar, in:, Proceedings of the 2018 on Asia Conference on Computer and Communication Security, ACM, 2018, pp. 51–65.
View | DOI | Download Submitted Version (ext.)
 
[79]
2018 | Conference Paper | IST-REx-ID: 7407 | OA
Proofs of catalytic space
K.Z. Pietrzak, in:, 10th Innovations in Theoretical Computer Science  Conference (ITCS 2019), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2018, p. 59:1-59:25.
View | Files available | DOI | Download Published Version (ext.)
 
[78]
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.
View | DOI | Download Submitted Version (ext.)
 
[77]
2018 | Journal Article | IST-REx-ID: 107 | OA
Non-malleable codes
S. Dziembowski, K.Z. Pietrzak, D. Wichs, Journal of the ACM 65 (2018).
View | DOI | Download Preprint (ext.)
 
[76]
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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[75]
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.
View | Files available | DOI | Download Submitted Version (ext.)
 
[74]
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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[73]
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.
View | Files available | DOI
 
[72]
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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[71]
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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[70]
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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[69]
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.
View | Files available | DOI
 
[68]
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.
View | Files available | DOI
 
[67]
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.
View | Files available | DOI
 
[66]
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.
View | Files available | DOI
 
[65]
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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[64]
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.
View | Files available | DOI
 
[63]
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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[62]
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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[61]
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.
View | Files available | DOI
 
[60]
2015 | Conference Paper | IST-REx-ID: 1646 | OA
Key-homomorphic constrained pseudorandom functions
A. Banerjee, G. Fuchsbauer, C. Peikert, K.Z. Pietrzak, S. Stevens, 9015 (2015) 31–60.
View | Files available | DOI
 
[59]
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.
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[58]
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.
View | Files available | DOI
 
[57]
2015 | Conference Paper | IST-REx-ID: 1650 | OA
Condensed unpredictability
M. Skórski, A. Golovnev, K.Z. Pietrzak, in:, Springer, 2015, pp. 1046–1057.
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[56]
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.
View | Files available | DOI
 
[55]
2015 | Conference Paper | IST-REx-ID: 1669 | OA
The chain rule for HILL pseudoentropy, revisited
K.Z. Pietrzak, M. Skórski, 9230 (2015) 81–98.
View | Files available | DOI
 
[54]
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.
View | Files available | DOI
 
[53]
2015 | Conference Paper | IST-REx-ID: 1675
Proofs of space
S. Dziembowski, S. Faust, V. Kolmogorov, K.Z. Pietrzak, 9216 (2015) 585–605.
View | Files available | DOI
 
[52]
2014 | Journal Article | IST-REx-ID: 2852
Robust multi-property combiners for hash functions
M. Fischlin, A. Lehmann, K.Z. Pietrzak, Journal of Cryptology 27 (2014) 397–428.
View | Files available | DOI
 
[51]
2014 | Conference Paper | IST-REx-ID: 1927 | OA
Adaptive security of constrained PRFs
G. Fuchsbauer, M. Konstantinov, K.Z. Pietrzak, V. Rao, in:, Springer, 2014, pp. 173–192.
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[50]
2014 | Conference Paper | IST-REx-ID: 2082 | OA
The exact PRF-security of NMAC and HMAC
P. Gazi, K.Z. Pietrzak, M. Rybar, in:, J. Garay, R. Gennaro (Eds.), Springer, 2014, pp. 113–130.
View | Files available | DOI
 
[49]
2014 | Conference Paper | IST-REx-ID: 2185 | OA
Key derivation without entropy waste
Y. Dodis, K.Z. Pietrzak, D. Wichs, in:, P. Nguyen, E. Oswald (Eds.), Springer, 2014, pp. 93–110.
View | Files available | DOI
 
[48]
2014 | Conference Paper | IST-REx-ID: 2219 | OA
Simple chosen-ciphertext security from low noise LPN
E. Kiltz, D. Masny, K.Z. Pietrzak, in:, Springer, 2014, pp. 1–18.
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[47]
2014 | Conference Paper | IST-REx-ID: 2236 | OA
How to fake auxiliary input
D. Jetchev, K.Z. Pietrzak, in:, Y. Lindell (Ed.), Springer, 2014, pp. 566–590.
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[46]
2013 | Report | IST-REx-ID: 2274 | OA
Proofs of Space
S. Dziembowski, S. Faust, V. Kolmogorov, K.Z. Pietrzak, Proofs of Space, IST Austria, 2013.
View | Files available
 
[45]
2013 | Conference Paper | IST-REx-ID: 2940 | OA
A counterexample to the chain rule for conditional HILL entropy, and what deniable encryption has to do with it
S. Krenn, K.Z. Pietrzak, A. Wadia, in:, A. Sahai (Ed.), Springer, 2013, pp. 23–39.
View | Files available | DOI
 
[44]
2013 | Conference Paper | IST-REx-ID: 2258 | OA
Digital signatures with minimal overhead from indifferentiable random invertible functions
E. Kiltz, K.Z. Pietrzak, M. Szegedy, 8042 (2013) 571–588.
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[43]
2013 | Conference Paper | IST-REx-ID: 2259 | OA
Learning with rounding, revisited: New reduction properties and applications
J.F. Alwen, S. Krenn, K.Z. Pietrzak, D. Wichs, 8042 (2013) 57–74.
View | Files available | DOI
 
[42]
2012 | Conference Paper | IST-REx-ID: 2974 | OA
Commitments and efficient zero knowledge proofs from learning parity with noise
A. Jain, S. Krenn, K.Z. Pietrzak, A. Tentes, in:, X. Wang, K. Sako (Eds.), Springer, 2012, pp. 663–680.
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[41]
2012 | Conference Paper | IST-REx-ID: 2048 | OA
Practical leakage-resilient symmetric cryptography
S. Faust, K.Z. Pietrzak, J. Schipper, in:, Conference Proceedings CHES 2012, Springer, 2012, pp. 213–232.
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[40]
2012 | Conference Paper | IST-REx-ID: 2049 | OA
Lapin: An efficient authentication protocol based on ring-LPN
S. Heyse, E. Kiltz, V. Lyubashevsky, C. Paar, K.Z. Pietrzak, in:, Conference Proceedings FSE 2012, Springer, 2012, pp. 346–365.
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[39]
2012 | Journal Article | IST-REx-ID: 3241
Parallel repetition of computationally sound protocols revisited
K.Z. Pietrzak, D. Wikström, Journal of Cryptology 25 (2012) 116–135.
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[38]
2012 | Conference Paper | IST-REx-ID: 3250
Cryptography from learning parity with noise
K.Z. Pietrzak, in:, Springer, 2012, pp. 99–114.
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[37]
2012 | Conference Paper | IST-REx-ID: 3279
Hardness preserving constructions of pseudorandom functions
A. Jain, K.Z. Pietrzak, A. Tentes, in:, Springer, 2012, pp. 369–382.
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[36]
2012 | Conference Paper | IST-REx-ID: 3280 | OA
Subspace LWE
K.Z. Pietrzak, in:, Springer, 2012, pp. 548–563.
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[35]
2012 | Conference Paper | IST-REx-ID: 3281
Lossy functions do not amplify well
K.Z. Pietrzak, A. Rosen, G. Segev, in:, Springer, 2012, pp. 458–475.
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[34]
2012 | Conference Paper | IST-REx-ID: 3282 | OA
Message authentication, revisited
Y. Dodis, K.Z. Pietrzak, E. Kiltz, D. Wichs, in:, Springer, 2012, pp. 355–374.
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[33]
2011 | Conference Paper | IST-REx-ID: 3236
Parallel repetition for leakage resilience amplification revisited
A. Jain, K.Z. Pietrzak, in:, Springer, 2011, pp. 58–69.
View | DOI
 
[32]
2011 | Conference Paper | IST-REx-ID: 3238
Efficient authentication from hard learning problems
E. Kiltz, K.Z. Pietrzak, D. Cash, A. Jain, D. Venturi, in:, Springer, 2011, pp. 7–26.
View | Files available | DOI
 
[31]
2011 | Conference Paper | IST-REx-ID: 3239
Tamper proof circuits How to trade leakage for tamper resilience
S. Faust, K.Z. Pietrzak, D. Venturi, in:, Springer, 2011, pp. 391–402.
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[30]
2011 | Conference Paper | IST-REx-ID: 3240
Leftover hash lemma revisited
B. Barak, Y. Dodis, H. Krawczyk, O. Pereira, K.Z. Pietrzak, F. Standaert, Y. Yu, in:, Springer, 2011, pp. 1–20.
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[29]
2010 | Conference Paper | IST-REx-ID: 3233
An efficient parallel repetition theorem
J. Håstad, R. Pass, D. Wikström, K.Z. Pietrzak, in:, Springer, 2010, pp. 1–18.
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[28]
2010 | Conference Paper | IST-REx-ID: 3234
Leakage resilient signatures
S. Faust, E. Kiltz, K.Z. Pietrzak, G. Rothblum, in:, Springer, 2010, pp. 343–360.
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[27]
2010 | Conference Paper | IST-REx-ID: 3235
Leakage resilient pseudorandom functions and side channel attacks on feistel networks
Y. Dodis, K.Z. Pietrzak, in:, Springer, 2010, pp. 21–40.
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[26]
2010 | Conference Paper | IST-REx-ID: 3237
Leakage resilient ElGamal encryption
E. Kiltz, K.Z. Pietrzak, in:, Springer, 2010, pp. 595–612.
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[25]
2009 | Conference Paper | IST-REx-ID: 3230
A new randomness extraction paradigm for hybrid encryption
E. Kiltz, K.Z. Pietrzak, M. Stam, M. Yung, in:, Springer, 2009, pp. 590–609.
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[24]
2009 | Conference Paper | IST-REx-ID: 3231
On the security of padding based encryption schemes Why We cannot prove OAEP secure in the standard model
E. Kiltz, K.Z. Pietrzak, in:, Springer, 2009, pp. 389–406.
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[23]
2009 | Conference Paper | IST-REx-ID: 3232
A leakage resilient mode of operation
K.Z. Pietrzak, in:, Springer, 2009, pp. 462–482.
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[22]
2008 | Conference Paper | IST-REx-ID: 3224
A new mode of operation for block ciphers and length preserving MACs
Y. Dodis, K.Z. Pietrzak, P. Puniya, in:, Springer, 2008, pp. 198–219.
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[21]
2008 | Conference Paper | IST-REx-ID: 3225
Robust multi property combiners for hash functions revisited
M. Fischlin, A. Lehmann, K.Z. Pietrzak, in:, Springer, 2008, pp. 655–666.
View | Files available | DOI
 
[20]
2008 | Conference Paper | IST-REx-ID: 3226
Weak pseudorandom functions in minicrypt
K.Z. Pietrzak, J. Sjödin, in:, Springer, 2008, pp. 423–436.
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[19]
2008 | Journal Article | IST-REx-ID: 3227
Elektrowiz – system of measurement data management
P. Zubielik, J. Nadaczny, K.Z. Pietrzak, M. Lawenda, Przeglad Elektrotechniczny 84 (2008) 239–242.
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[18]
2008 | Conference Paper | IST-REx-ID: 3228
Compression from collisions or why CRHF combiners have a long output
K.Z. Pietrzak, in:, Springer, 2008, pp. 413–432.
View | DOI
 
[17]
2008 | Conference Paper | IST-REx-ID: 3229
Leakage resilient cryptography
S. Dziembowski, K.Z. Pietrzak, in:, IEEE, 2008, pp. 293–302.
View | DOI
 
[16]
2007 | Conference Paper | IST-REx-ID: 3218
Non-trivial black-box combiners for collision-resistant hash-functions don't exist
K.Z. Pietrzak, in:, Springer, 2007, pp. 23–33.
View | DOI
 
[15]
2007 | Conference Paper | IST-REx-ID: 3219
Indistinguishability amplification
U. Maurer, K.Z. Pietrzak, R. Renner, in:, Springer, 2007, pp. 130–149.
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[14]
2007 | Conference Paper | IST-REx-ID: 3220
Intrusion resilient secret sharing
S. Dziembowski, K.Z. Pietrzak, in:, IEEE, 2007, pp. 227–237.
View | DOI
 
[13]
2007 | Conference Paper | IST-REx-ID: 3221
Range extension for weak PRFs the good the bad and the ugly
K.Z. Pietrzak, J. Sjödin, in:, Springer, 2007, pp. 517–533.
View | DOI
 
[12]
2007 | Conference Paper | IST-REx-ID: 3222
Parallel repetition of computationally sound protocols revisited
K.Z. Pietrzak, D. Wikström, in:, Springer, 2007, pp. 86–102.
View | DOI
 
[11]
2007 | Conference Paper | IST-REx-ID: 3223
Improving the security of MACs via randomized message preprocessing
Y. Dodis, K.Z. Pietrzak, in:, Springer, 2007, pp. 414–433.
View | DOI
 
[10]
2006 | Conference Paper | IST-REx-ID: 3214
Luby Rackoff ciphers from weak round functions
U. Maurer, Y. Oswald, K.Z. Pietrzak, J. Sjödin, in:, Springer, 2006, pp. 391–408.
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[9]
2006 | Conference Paper | IST-REx-ID: 3215
Separating sources for encryption and secret sharing
Y. Dodis, K.Z. Pietrzak, B. Przydatek, in:, Springer, 2006, pp. 601–616.
View | DOI
 
[8]
2006 | Conference Paper | IST-REx-ID: 3216
A tight bound for EMAC
K.Z. Pietrzak, in:, Springer, 2006, pp. 168–179.
View | DOI
 
[7]
2006 | Conference Paper | IST-REx-ID: 3217
Composition implies adaptive security in minicrypt
K.Z. Pietrzak, in:, Springer, 2006, pp. 328–338.
View | DOI
 
[6]
2005 | Conference Paper | IST-REx-ID: 3211
Improved security analyses for CBC MACs
M. Bellare, K.Z. Pietrzak, P. Rogaway, in:, Springer, 2005, pp. 527–545.
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[5]
2005 | Conference Paper | IST-REx-ID: 3212
On the generic insecurity of the full domain hash
Y. Dodis, R. Oliveira, K.Z. Pietrzak, in:, Springer, 2005, pp. 449–466.
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[4]
2005 | Conference Paper | IST-REx-ID: 3213
Composition does not imply adaptive security
K.Z. Pietrzak, in:, Springer, 2005, pp. 55–65.
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[3]
2004 | Conference Paper | IST-REx-ID: 3208
Composition of random systems: When two weak make one strong
U. Maurer, K.Z. Pietrzak, in:, Springer, 2004, pp. 410–427.
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[2]
2003 | Journal Article | IST-REx-ID: 3209
On the parameterized complexity of the fixed alphabet shortest common supersequence and longest common subsequence problems
K.Z. Pietrzak, Journal of Computer and System Sciences 67 (2003) 757–771.
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[1]
2003 | Conference Paper | IST-REx-ID: 3210
The security of many round Luby Rackoff pseudo random permutations
U. Maurer, K.Z. Pietrzak, in:, Springer, 2003, pp. 544–561.
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