1<!DOCTYPE html> 2<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-us" lang="en-us"> 3<head> 4 <link href="https://gmpg.org/xfn/11" rel="profile"> 5 <meta http-equiv="content-type" content="text/html; charset=utf-8"> 6 <meta name="generator" content="Hugo 0.131.0"> 7 8 9 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 10 11 <title>Nils Fleischhacker</title> 12 <meta name="description" content="Cryptographer working in applied and theoretical cryptography. Currently a Visiting Researcher at Flashbots." /> 13 14 15 16 <link 17 type="text/css" 18 rel="stylesheet" 19 href="/css/print.min.46d9bcbd80937d55db06b7034dfed7fc48b2bfb13e535dd9eac5581bfbaa8ddf.css" 20 media="print" 21 integrity="sha256-Rtm8vYCTfVXbBrcDTf7X/Eiyv7E+U13Z6sVYG/uqjd8=" 22 crossorigin="anonymous" /> 23 <link 24 type="text/css" 25 rel="stylesheet" 26 href="/css/hyde-bundle.min.9ec95526ec80c3e53d1663354f1df975205c07599182abd2728d6120b6193103.css" 27 media="all" 28 integrity="sha256-nslVJuyAw+U9FmM1Tx35dSBcB1mRgqvSco1hILYZMQM=" 29 crossorigin="anonymous" /> <link rel="stylesheet" href="/css/fonts.css"> 30 31 32 33 <link rel="icon" type="image/png" href="/favicon-96x96.png" sizes="96x96" /> 34 <link rel="icon" type="image/svg+xml" href="/favicon.svg" /> 35 <link rel="shortcut icon" href="/favicon.ico" /> 36 <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" /> 37 <meta name="apple-mobile-web-app-title" content="Nils Fleischhacker" /> 38 <link rel="manifest" href="/site.webmanifest" /> 39 40 41 <link href="https://nilsfleischhacker.de/index.xml" rel="alternate" type="application/rss+xml" title="Nils Fleischhacker" /> 42 43 44 <link href="/assets/fontawesome/css/fontawesome.css" rel="stylesheet" /> 45 <link href="/assets/fontawesome/css/brands.css" rel="stylesheet" /> 46 <link href="/assets/fontawesome/css/solid.css" rel="stylesheet" /> 47 48
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61 62</head> 63 64 <body class="theme-base-0b layout-reverse"> 65 <aside class="sidebar"> 66 <div class="container"> 67 <div class="sidebar-about"> 68 <img src='/nils.jpg' style='border-radius: 50%'> 69 <a href="https://nilsfleischhacker.de/"><h1>Nils Fleischhacker</h1></a> 70 <p class="lead"> 71 Cryptographer working in applied and theoretical cryptography. Currently a Visiting Researcher at Flashbots. 72 </p> 73 </div> 74 </div> 75 <div class="container sidebar-sticky"> 76 <nav> 77 <div class="sidebar-nav"> 78 <a href="https://scholar.google.de/citations?user=cJpkmxsAAAAJ&hl=en&oi=ao"> <i class="fa-brands fa-google-scholar"></i> </a><a href="https://dblp.org/pid/78/10700.html"> <svg xmlns="http://www.w3.org/2000/svg" fill="#fff" enable-background="new 0 0 24 24" viewBox="0 0 24 24" width="20" height="20" id="dblp" style="margin-bottom: -4; margin-left: -1;"><path d="M2.779,9.45l2.429,9.16c0,0,0.159,0.59,0.714,0.33l7.407-3.48c0,0,0.516-0.24,0.417-0.79l-0.01-0.06l-1.12-4.22L11.96,7.94l-0.664-2.49V5.41c0,0-0.159-0.59-0.833-1l-6.891-4.27c0,0-0.674-0.41-0.516,0.17l1.973,7.42L3.175,8.6C3.175,8.6,2.62,8.86,2.779,9.45z"></path> <path d="M21.221,14.58L18.792,5.42c0,0-0.149-0.59-0.714-0.33l-5.553,2.6l0.853,3.2l1.081,4.08l0.01,0.06c0.05,0.47-0.407,0.79-0.407,0.79l-1.864,0.87l0.496,1.89l0.04,0.1c0.069,0.17,0.278,0.6,0.803,0.91l6.891,4.27c0,0,0.674,0.41,0.516-0.17l-1.963-7.4l1.844-0.86C20.825,15.43,21.38,15.17,21.221,14.58z"></path></svg> </a><a href="https://orcid.org/0000-0002-2770-5444"> <i class="fa-brands fa-orcid"></i> </a><a href="https://github.com/nilsfleischhacker/"> <i class="fa-brands fa-github"></i> </a><a href="https://bsky.app/profile/cryptomaeher.bsky.social"> <i class="fa-brands fa-bluesky"></i> </a><a href="https://www.linkedin.com/in/nils-fleischhacker/"> <i class="fa-brands fa-linkedin"></i> </a><a href="mailto:[email protected]"> <i class="fa-solid fa-at"></i> </a> 79 </div> 80 </nav> 81 </div> 82</aside> 83 84 <main class="content container"> 85 86<div class="container"> 87 88 <h2 id="about-me">About Me</h2> 89<p>I am an experienced researcher for applied and theoretical cryptography. 90I am currently working as a Visiting Researcher at <a href="https://www.flashbots.net/">Flashbots</a>. 91Before that I was an Assistant Professor for Cryptography at <a href="https://rub.de/">Ruhr University Bochum</a>. Before moving to Bochum I was a postdoctoral fellow at <a href="https://www.jhu.edu/">Johns Hopkins University</a> and <a href="https://www.cmu.edu/">Carnegie Mellon University</a> working with <a href="https://www.cs.jhu.edu/~abhishek/">Abhishek Jain</a> and <a href="https://www.cs.cmu.edu/~goyal/">Vipul Goyal</a>. 92In February 2017, I received my PhD in <em>Computer Science</em> from <a href="https://www.uni-saarland.de/">Saarland University</a>, where I was advised by <a href="https://www.dominique-schroeder.de/">Dominique Schröder</a>. 93During my PhD I was a research intern at <a href="http://research.microsoft.com/en-us/labs/cambridge/">Microsoft Research</a> with <a href="http://chrisbrzuska.de">Chris Brzuska</a>. 94I was also a research visitor at <a href="https://umd.edu">University of Maryland, College Park</a> with <a href="https://www.cs.umd.edu/~jkatz/">Jonathan Katz</a> and <a href="https://www.ece.umd.edu/~danadach/">Dana Dachman-Soled</a>.</p> 95 96 97<br> 98 <div class="row"> 99 <div class="col-xs-12 col-md-4 section-heading"> 100 <h1>Publications</h1> 101 </div> 102 <div class="col-xs-12 col-md-8"> 103 104 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 105 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 106 <a href="https://nilsfleischhacker.de/publication/guaranteeing-a-dishonest-partys-knowledge-or-setup-requirements-for-deniable-authentication/" itemprop="name">Guaranteeing a Dishonest Party's Knowledge (Or: Setup Requirements for Deniable Authentication)</a> 107 <div itemprop="author"> 108 Nils Fleischhacker, Guilherme Rito</div> 109 <div class="pub-publication"> 110 In Submission, 111 2025 112 </div> 113 <div class="pub-links"> 114 115<a class="btn-paper" href="http://ia.cr/2025/1922" target="_blank" rel="noopener"> 116 eprint.iacr.org 117</a> 118 119 120 </div> 121</div> 122 123 124 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 125 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 126 <a href="https://nilsfleischhacker.de/publication/jackpot/" itemprop="name">Jackpot: Non-Interactive Aggregatable Lotteries</a> 127 <div itemprop="author"> 128 Nils Fleischhacker, Mathias Hall-Andersen, Mark Simkin, Benedikt Wagner</div> 129 <div class="pub-publication"> 130 30th Annual International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT 2024), 131 2024 132 </div> 133 <div class="pub-links"> 134 135<a class="btn-paper" href="https://doi.org/10.1007/978-981-96-0938-3_12" target="_blank" rel="noopener"> 136 link.springer.com 137</a> 138 139<a class="btn-paper" href="http://ia.cr/2023/1570" target="_blank" rel="noopener"> 140 eprint.iacr.org 141</a> 142 143<a class="btn-paper" href="https://www.youtube.com/watch?v=hjANO9qTuLE" target="_blank" rel="noopener"> 144 youtube.com 145</a> 146 147 148 </div> 149</div> 150 151 152 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 153 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 154 <a href="https://nilsfleischhacker.de/publication/extractable-witness-encryption-for-kzg-commitments-and-efficient-laconic-ot/" itemprop="name">
154Extractable Witness Encryption for KZG Commitments and Efficient Laconic OT</a> 155 <div itemprop="author"> 156 Nils Fleischhacker, Mathias Hall-Andersen, Mark Simkin</div> 157 <div class="pub-publication"> 158 30th Annual International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT 2024), 159 2024 160 </div> 161 <div class="pub-links"> 162 163<a class="btn-paper" href="http://doi.org/10.1007/978-981-96-0888-1_14" target="_blank" rel="noopener"> 164 link.springer.com 165</a> 166 167<a class="btn-paper" href="http://ia.cr/2024/264" target="_blank" rel="noopener"> 168 eprint.iacr.org 169</a> 170 171<a class="btn-paper" href="https://www.youtube.com/watch?v=e-7-D1pdkPU" target="_blank" rel="noopener"> 172 youtube.com 173</a> 174 175<a class="btn-paper" href="https://www.youtube.com/watch?v=81Hq7Ij94vE" target="_blank" rel="noopener"> 176 youtube.com 177</a> 178 179 180 </div> 181</div> 182 183 184 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 185 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 186 <a href="https://nilsfleischhacker.de/publication/invertible-bloom-lookup-tables-with-less-memory-and-randomness/" itemprop="name">Invertible Bloom Lookup Tables With Less Memory and Randomness</a> 187 <div itemprop="author"> 188 Nils Fleischhacker, Kasper Green Larsen, Maciej Obremski, Mark Simkin</div> 189 <div class="pub-publication"> 190 32nd Annual European Symposium on Algorithms (ESA 2024), 191 2024 192 </div> 193 <div class="pub-links"> 194 195<a class="btn-paper" href="https://doi.org/10.4230/LIPIcs.ESA.2024.54" target="_blank" rel="noopener"> 196 drops.dagstuhl.de 197</a> 198 199<a class="btn-paper" href="http://ia.cr/2023/918" target="_blank" rel="noopener"> 200 eprint.iacr.org 201</a> 202 203 204 </div> 205</div> 206 207 208 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 209 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 210 <a href="https://nilsfleischhacker.de/publication/chipmunk-better-synchronized-multi-signatures-from-lattices/" itemprop="name">Chipmunk: Better Synchronized Multi Signatures From Lattices</a> 211 <div itemprop="author"> 212 Nils Fleischhacker, Gottfried Herold, Mark Simkin, Zhenfei Zhang</div> 213 <div class="pub-publication"> 214 2023 ACM SIGSAC Conference on Computer and Communications Security (CCS 2023), 215 2023 216 </div> 217 <div class="pub-links"> 218 219<a class="btn-paper" href="http://doi.org/10.1145/3576915.3623219" target="_blank" rel="noopener"> 220 dl.acm.org 221</a> 222 223<a class="btn-paper" href="http://ia.cr/2023/1820" target="_blank" rel="noopener"> 224 eprint.iacr.org 225</a> 226 227 228 </div> 229</div> 230 231 232 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 233 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 234 <a href="https://nilsfleischhacker.de/publication/interactive-non-malleable-codes-against-desynchronizing-attacks-in-the-multi-party-setting/" itemprop="name">Interactive Non Malleable Codes Against Desynchronizing Attacks in the Multi Party Setting</a> 235 <div itemprop="author"> 236 Nils Fleischhacker, Suparno Ghoshal, Mark Simkin</div> 237 <div class="pub-publication"> 238 4th Conference on Information-Theoretic Cryptography (ITC 2023), 239 2023 240 </div> 241 <div class="pub-links"> 242 243<a class="btn-paper" href="http://doi.org/10.4230/LIPIcs.ITC.2023.5" target="_blank" rel="noopener"> 244 drops.dagstuhl.de 245</a> 246 247<a class="btn-paper" href="http://ia.cr/2022/1004" target="_blank" rel="noopener"> 248 eprint.iacr.org 249</a> 250 251 252 </div> 253</div> 254 255 256 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 257 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 258 <a href="https://nilsfleischhacker.de/publication/how-to-compress-encrypted-data/" itemprop="name">How to Compress Encrypted Data</a> 259 <div itemprop="author"> 260 Nils Fleischhacker, Kasper Green Larsen, Mark Simkin</div> 261 <div class="pub-publication"> 262 42nd Annual International Conference on the Theory and Applications of Cryptographic Techniques (EUROCRYPT 2023), 263 2023
264 </div> 265 <div class="pub-links"> 266 267<a class="btn-paper" href="http://doi.org/10.1007/978-3-031-30545-0_19" target="_blank" rel="noopener"> 268 link.springer.com 269</a> 270 271<a class="btn-paper" href="https://ia.cr/2022/1413" target="_blank" rel="noopener"> 272 eprint.iacr.org 273</a> 274 275<a class="btn-paper" href="https://youtu.be/zSkwQ5nP8Aw?t=2282" target="_blank" rel="noopener"> 276 youtube.com 277</a> 278 279 280 </div> 281</div> 282 283 284 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 285 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 286 <a href="https://nilsfleischhacker.de/publication/squirrel-efficient-synchronized-multi-signatures-from-lattices/" itemprop="name">Squirrel: Efficient Synchronized Multi Signatures From Lattices</a> 287 <div itemprop="author"> 288 Nils Fleischhacker, Mark Simkin, Zhenfei Zhang</div> 289 <div class="pub-publication"> 290 2022 ACM SIGSAC Conference on Computer and Communications (CCS 2022), 291 2022 292 </div> 293 <div class="pub-links"> 294 295<a class="btn-paper" href="http://doi.org/10.1145/3548606.3560655" target="_blank" rel="noopener"> 296 dl.acm.org 297</a> 298 299<a class="btn-paper" href="http://ia.cr/2022/694" target="_blank" rel="noopener"> 300 eprint.iacr.org 301</a> 302 303 304 </div> 305</div> 306 307 308 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 309 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 310 <a href="https://nilsfleischhacker.de/publication/steganography-free-zero-knowledge/" itemprop="name">Steganography Free Zero Knowledge</a> 311 <div itemprop="author"> 312 Behzad Abdolmaleki, Nils Fleischhacker, Vipul Goyal, Abhishek Jain, Giulio Malavolta</div> 313 <div class="pub-publication"> 314 The 20th Theory of Cryptography Conference (TCC 2022), 315 2022 316 </div> 317 <div class="pub-links"> 318 319<a class="btn-paper" href="http://doi.org/10.1007/978-3-031-22318-1_6" target="_blank" rel="noopener"> 320 link.springer.com 321</a> 322 323<a class="btn-paper" href="http://ia.cr/2022/1263" target="_blank" rel="noopener"> 324 eprint.iacr.org 325</a> 326 327 328 </div> 329</div> 330 331 332 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 333 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 334 <a href="https://nilsfleischhacker.de/publication/property-preserving-hash-functions-for-hamming-distance-from-standard-assumptions/" itemprop="name">Property Preserving Hash Functions for Hamming Distance From Standard Assumptions</a> 335 <div itemprop="author"> 336 Nils Fleischhacker, Kasper Green Larsen, Mark Simkin</div> 337 <div class="pub-publication"> 338 41st Annual International Conference on the Theory and Applications of Cryptographic Techniques (EUROCRYPT 2022), 339 2022 340 </div> 341 <div class="pub-links"> 342 343<a class="btn-paper" href="http://doi.org/10.1007/978-3-031-07085-3_26" target="_blank" rel="noopener"> 344 link.springer.com 345</a> 346 347<a class="btn-paper" href="http://ia.cr/2021/793" target="_blank" rel="noopener"> 348 eprint.iacr.org 349</a> 350 351<a class="btn-paper" href="https://www.youtube.com/watch?v=pbnjrAKpcog" target="_blank" rel="noopener"> 352 youtube.com 353</a> 354 355 356 </div> 357</div> 358 359 360 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 361 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 362 <a href="https://nilsfleischhacker.de/publication/robust-property-preserving-hash-functions-for-hamming-distance-and-more/" itemprop="name">Robust Property Preserving Hash Functions for Hamming Distance and More</a> 363 <div itemprop="author"> 364 Nils Fleischhacker, Mark Simkin</div> 365 <div class="pub-publication"> 366 40th Annual International Conference on the Theory and Applications of Cryptographic Techniques (EUROCRYPT 2021), 367 2021 368 </div> 369 <div class="pub-links"> 370 371<a class="btn-paper" href="https://doi.org/10.1007/978-3-030-77883-5_11" target="_blank" rel="noopener"> 372 link.springer.com 373</a> 374 375<a class="btn-paper" href="http://ia.cr/2020/1301" target="_blank" rel="noopener"> 376 eprint.iacr.org 377</a> 378 379<a class="btn-paper" href="https://www.youtube.com/watch?v=IKiGuwDBG1A" target="_blank" rel="noopener"> 380 youtube.com 381</a> 382 383 384 </div> 385</div> 386 387 388 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 389 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 390 <a href="https://nilsfleischhacker.de/publication/on-publicly-accountable-zero-knowledge-and-small-shuffle-arguments/" itemprop="name">On Publicly-Accountable Zero-Knowledge and Small Shuffle Arguments</a> 391 <div itemprop="author"> 392 Nils Fleischhacker, Mark Simkin</div> 393 <div class="pub-publication"> 394 24th IACR International Conference on Practice and Theory of Public Key Cryptography (PKC 2021), 395 2021 396 </div> 397 <div class="pub-links"> 398 399<a class="btn-paper" href="https://doi.org/10.1007%2Fs00145-019-09329-9" target="_blank" rel="noopener"> 400 link.springer.com 401</a> 402 403<a class="btn-paper" href="https://ia.cr/2018/167" target="_blank" rel="noopener"> 404 eprint.iacr.org 405</a> 406 407<a class="btn-paper" href="https://www.youtube.com/watch?v=y_G4Eyneheo" target="_blank" rel="noopener"> 408 youtube.com 409</a> 410 411 412 </div> 413</div> 414 415 416 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 417 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 418 <a href="https://nilsfleischhacker.de/publication/feasibility-and-infeasibility-of-secure-computation-with-malicious-pufs-journal/" itemprop="name">Feasibility and Infeasibility of Secure Computation With Malicious PUFs</a> 419 <div itemprop="author"> 420 Dana Dachman-Soled, Nils Fleischhacker, Jonathan Katz, Anna Lysyanskaya, Dominique Schröder</div> 421 <div class="pub-publication">
422 Journal of Cryptology, 423 2020 424 </div> 425 <div class="pub-links"> 426 427<a class="btn-paper" href="https://doi.org/10.1007/s00145-019-09329-9" target="_blank" rel="noopener"> 428 link.springer.com 429</a> 430 431<a class="btn-paper" href="https://ia.cr/2015/405" target="_blank" rel="noopener"> 432 eprint.iacr.org 433</a> 434 435 436 </div> 437</div> 438 439 440 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 441 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 442 <a href="https://nilsfleischhacker.de/publication/interactive-nonmalleable-codes/" itemprop="name">Interactive Non-Malleable Codes</a> 443 <div itemprop="author"> 444 Nils Fleischhacker, Vipul Goyal, Abhishek Jain, Anat Paskin-Cherniavsky, Slava Radune</div> 445 <div class="pub-publication"> 446 The 17th Theory of Cryptography Conference (TCC 2019), 447 2019 448 </div> 449 <div class="pub-links"> 450 451<a class="btn-paper" href="https://doi.org/10.4230/LIPIcs.ITC.2023.5" target="_blank" rel="noopener"> 452 drops.dagstuhl.de 453</a> 454 455<a class="btn-paper" href="https://nilsfleischhacker.de/papers/inmc-full-version.pdf" target="_blank" rel="noopener"> 456 eprint.iacr.org 457</a> 458 459<a class="btn-paper" href="https://www.youtube.com/watch?v=JiJNr2A28jI" target="_blank" rel="noopener"> 460 youtube.com 461</a> 462 463 464 </div> 465</div> 466 467 468 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 469 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 470 <a href="https://nilsfleischhacker.de/publication/arithmetic-garbling-from-bilinear-maps/" itemprop="name">Arithmetic Garbling from Bilinear Maps</a> 471 <div itemprop="author"> 472 Nils Fleischhacker, Giulio Malavolta, Dominique Schröder</div> 473 <div class="pub-publication"> 474 24th European Symposium on Research in Computer Security (ESORICS 2019), 475 2019 476 </div> 477 <div class="pub-links"> 478 479<a class="btn-paper" href="https://doi.org/10.1007/978-3-030-29962-0_9" target="_blank" rel="noopener"> 480 link.springer.com 481</a> 482 483<a class="btn-paper" href="https://ia.cr/2019/082" target="_blank" rel="noopener"> 484 eprint.iarc.org 485</a> 486 487 488 </div> 489</div> 490 491 492 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 493 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 494 <a href="https://nilsfleischhacker.de/publication/on-tight-security-proofs-for-schnorr-signaturesjournal/" itemprop="name">On Tight Security Proofs for Schnorr Signatures</a> 495 <div itemprop="author"> 496 Nils Fleischhacker, Tibor Jager, Dominique Schröder</div> 497 <div class="pub-publication"> 498 Journal of Cryptology, 499 2019 500 </div> 501 <div class="pub-links"> 502 503<a class="btn-paper" href="https://doi.org/10.1007/s00145-019-09311-5" target="_blank" rel="noopener"> 504 link.springer.com 505</a> 506 507<a class="btn-paper" href="https://ia.cr/2013/418" target="_blank" rel="noopener"> 508 eprint.iacr.org 509</a> 510 511 512 </div> 513</div> 514 515 516 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 517 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 518 <a href="https://nilsfleischhacker.de/publication/on-the-existence-of-three-round-zero-knowledge-proofs/" itemprop="name">On the Existence of Three Round Zero Knowledge Proofs</a> 519 <div itemprop="author"> 520 Nils Fleischhacker, Vipul Goyal, Abhishek Jain</div> 521 <div class="pub-publication"> 522 37th Annual International Conference on the Theory and Applications of Cryptographic Techniques (EUROCRYPT 2018), 523 2018 524 </div> 525 <div class="pub-links"> 526 527<a class="btn-paper" href="https://doi.org/10.1007/978-3-319-78372-7_1" target="_blank" rel="noopener"> 528 link.springer.com 529</a> 530 531<a class="btn-paper" href="https://ia.cr/2018/167" target="_blank" rel="noopener"> 532 eprint.iacr.org 533</a> 534 535<a class="btn-paper" href="https://www.youtube.com/watch?v=dt5MjSx2CVg" target="_blank" rel="noopener"> 536 youtube.com 537</a> 538 539 540 </div> 541</div> 542 543 544 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 545 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 546 <a href="https://nilsfleischhacker.de/publication/efficient-unlinkable-sanitizable-signatures-from-signatures-with-re-randomizable-keys-journal/" itemprop="name">Efficient Unlinkable Sanitizable Signatures From Signatures With Re-Randomizable Keys</a> 547 <div itemprop="author"> 548 Nils Fleischhacker, Johannes Krupp, Giulio Malavolta, Jonas Schneider, Dominique Schröder, Mark Simkin</div> 549 <div class="pub-publication"> 550 IET Information Security, Volume 12, Issue 3, 551 2018 552 </div> 553 <div class="pub-links"> 554 555<a class="btn-paper" href="https://doi.org/10.1049/iet-ifs.2017.0041" target="_blank" rel="noopener"> 556 digital-library.theiet.org 557</a> 558 559<a class="btn-paper" href="https://ia.cr/2015/395" target="_blank" rel="noopener"> 560 eprint.iacr.org 561</a> 562 563 564 </div> 565</div> 566 567 568 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 569 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 570 <a href="https://nilsfleischhacker.de/publication/minimal-assumptions-in-cryptography/" itemprop="name">Minimal Assumptions in Cryptography</a> 571 <div itemprop="author"> 572 Nils Fleischhacker</div> 573 <div class="pub-publication"> 574 PhD Thesis, Saarland University, 575 2017 576 </div> 577 <div class="pub-links"> 578 579<a class="btn-paper" href="https://dx.doi.org/10.22028/D291-26696" target="_blank" rel="noopener"> 580 sulb.uni-saarland.de 581</a> 582 583 584 </div> 585</div> 586 587 588 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 589 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 590 <a href="https://nilsfleischhacker.de/publication/efficient-cryptographic-password-hardening-services-from-partially-oblivious-commitments/" itemprop="name">Efficient Cryptographic Password Hardening Services From Partially Oblivious Commitments</a> 591 <div itemprop="author"> 592 Jonas Schneider, Nils Fleischhacker, Dominique Schröder, Michael Backes</div> 593 <div class="pub-publication"> 594 2016 ACM SIGSAC Conference on Computer and Communications Security (CCS 2016), 595 2016 596 </div> 597 <div class="pub-links"> 598 599<a class="btn-paper" href="https://doi.org/10.1145/2976749.2978375" target="_blank" rel="noopener"> 600 dl.acm.com 601</a> 602 603<a class="btn-paper" href="https://nilsfleischhacker.de/papers/ccs16.pdf" target="_blank" rel="noopener"> 604 Full Version 605</a> 606 607<a class="btn-paper" href="https://www.youtube.com/watch?v=xHPlDuG_ZCk" target="_blank" rel="noopener"> 608 youtube.com 609</a> 610 611 612 </div> 613</div> 614 615 616 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 617 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 618 <a href="https://nilsfleischhacker.de/publication/on-statistically-secure-obfuscation-with-approximate-correctness/" itemprop="name">On Statistically Secure Obfuscation With Approximate Correctness</a> 619 <div itemprop="author"> 620 Zvika Brakerski, Chris Brzuska, Nils Fleischhacker</div> 621 <div class="pub-publication"> 622 36th International Cryptology Conference (CRYPTO 2016), 623 2016 624 </div> 625 <div class="pub-links"> 626 627<a class="btn-paper" href="https://doi.org/10.1007/978-3-662-53008-5_19" target="_blank" rel="noopener"> 628 link.springer.com 629</a> 630 631<a class="btn-paper" href="https://ia.cr/2016/226" target="_blank" rel="noopener"> 632 eprint.iacr.org 633</a> 634 635<a class="btn-paper" href="https://www.youtube.com/watch?v=5pbqk4fJyKE" target="_blank" rel="noopener"> 636 youtube.com 637</a> 638 639 640 </div> 641</div> 642 643 644 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 645 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 646 <a href="https://nilsfleischhacker.de/publication/two-message-oblivious-evaluation-of-cryptographic-functionalities/" itemprop="name">Two Message Oblivious Evaluation of Cryptographic Functionalities</a> 647 <div itemprop="author"> 648 Nico Doettling, Nils Fleischhacker, Johannes Krupp, Dominique Schröder</div> 649 <div class="pub-publication"> 650 36th International Cryptology Conference (CRYPTO 2016), 651 2016 652 </div> 653 <div class="pub-links"> 654 655<a class="btn-paper" href="https://doi.org/10.1007/978-3-662-53015-3_22" target="_blank" rel="noopener"> 656 link.springer.com 657</a> 658 659<a class="btn-paper" href="https://ia.cr/2017/958" target="_blank" rel="noopener"> 660 eprint.iacr.org 661</a> 662 663<a class="btn-paper" href="https://www.youtube.com/watch?v=UxlgMQ_Zkw8" target="_blank" rel="noopener"> 664 youtube.com 665</a> 666 667 668 </div> 669</div> 670 671 672 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 673 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 674 <a href="https://nilsfleischhacker.de/publication/efficient-unlinkable-sanitizable-signatures-from-signatures-with-re-randomizable-keys/" itemprop="name">Efficient Unlinkable Sanitizable Signatures From Signatures With Re-Randomizable Keys</a> 675 <div itemprop="author"> 676 Nils Fleischhacker, Johannes Krupp, Giulio Malavolta, Jonas Schneider, Dominique Schröder, Mark Simkin</div> 677 <div class="pub-publication"> 678 19th International Conference on the Theory and Practice of Public-Key Cryptography (PKC 2016), 679 2016 680 </div> 681 <div class="pub-links"> 682 683<a class="btn-paper" href="https://doi.org/10.1007/978-3-662-49384-7_12" target="_blank" rel="noopener"> 684 link.springer.com 685</a> 686 687<a class="btn-paper" href="https://ia.cr/2015/395" target="_blank" rel="noopener"> 688 eprint.iacr.org 689</a> 690 691 692 </div> 693</div> 694 695 696 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 697 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 698 <a href="https://nilsfleischhacker.de/publication/a-framework-for-multi-factor-authentication-and-key-exchange/" itemprop="name">A Framework for Multi Factor Authentication and Key Exchange</a> 699 <div itemprop="author"> 700 Nils Fleischhacker, Mark Manulis, Amir Azodi</div> 701 <div class="pub-publication"> 702 1st International Conference on Research in Security Standardisation (SSR 2014), 703 2014 704 </div> 705 <div class="pub-links"> 706 707<a class="btn-paper" href="https://doi.org/10.1007/978-3-319-14054-4_12" target="_blank" rel="noopener"> 708 link.springer.com 709</a> 710 711<a class="btn-paper" href="https://ia.cr/2012/181" target="_blank" rel="noopener"> 712 eprint.iacr.org 713</a> 714 715 716 </div> 717</div> 718 719 720 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 721 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 722 <a href="https://nilsfleischhacker.de/publication/on-tight-security-proofs-for-schnorr-signatures/" itemprop="name">On Tight Security Proofs for Schnorr Signatures</a> 723 <div itemprop="author"> 724 Nils Fleischhacker, Tibor Jager, Dominique Schröder</div> 725 <div class="pub-publication"> 726 20th Annual International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT 2014), 727 2014 728 </div> 729 <div class="pub-links"> 730 731<a class="btn-paper" href="https://doi.org/10.1007/978-3-662-45611-8_27" target="_blank" rel="noopener"> 732 link.springer.com 733</a> 734 735<a class="btn-paper" href="https://ia.cr/2013/418" target="_blank" rel="noopener"> 736 eprint.iacr.org 737</a> 738 739 740 </div> 741</div> 742 743 744 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 745 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 746 <a href="https://nilsfleischhacker.de/publication/feasibility-and-infeasibility-of-secure-computation-with-malicious-pufs/" itemprop="name">Feasibility and Infeasibility of Secure Computation With Malicious PUFs</a> 747 <div itemprop="author"> 748 Dana Dachman-Soled, Nils Fleischhacker, Jonathan Katz, Anna Lysyanskaya, Dominique Schröder</div> 749 <div class="pub-publication"> 750 34th International Cryptology Conference (CRYPTO 2014), 751 2014 752 </div> 753 <div class="pub-links"> 754 755<a class="btn-paper" href="https://doi.org/10.1007/978-3-662-44381-1_23" target="_blank" rel="noopener"> 756 link.springer.com 757</a> 758 759<a class="btn-paper" href="https://ia.cr/2015/405" target="_blank" rel="noopener"> 760 eprint.iacr.org 761</a> 762 763 764 </div> 765</div> 766 767 768 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 769 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 770 <a href="https://nilsfleischhacker.de/publication/limitations-of-the-meta-reduction-technique-the-case-of-schnorr-signatures/" itemprop="name">Limitations of the Meta Reduction Technique: The Case of Schnorr Signatures</a> 771 <div itemprop="author"> 772 Marc Fischlin, Nils Fleischhacker</div> 773 <div class="pub-publication"> 774 32nd Annual International Conference on the Theory and Applications of Cryptographic Techniques (EUROCRYPT 2013), 775 2013 776 </div> 777 <div class="pub-links"> 778 779<a class="btn-paper" href="https://doi.org/10.1007/978-3-642-38348-9_27" target="_blank" rel="noopener"> 780 link.springer.com 781</a> 782 783<a class="btn-paper" href="https://ia.cr/2013/140" target="_blank" rel="noopener"> 784 eprint.iacr.org 785</a> 786 787 788 </div> 789</div> 790 791 792 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 793 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 794 <a href="https://nilsfleischhacker.de/publication/pseudorandom-signatures/" itemprop="name">Pseudorandom Signatures</a> 795 <div itemprop="author"> 796 Nils Fleischhacker, Felix Günther, Franziskus Kiefer, Mark Manulis, Bertram Poettering</div> 797 <div class="pub-publication"> 798 8th ACM Symposium on Information, Computer and Communications Security (ASIACCS 2013), 799 2013 800 </div> 801 <div class="pub-links"> 802 803<a class="btn-paper" href="https://doi.org/10.1145/2484313.2484325" target="_blank" rel="noopener"> 804 dl.acm.org 805</a> 806 807<a class="btn-paper" href="https://ia.cr/2011/673" target="_blank" rel="noopener"> 808 eprint.iacr.org 809</a> 810 811 812 </div> 813</div> 814 815 816 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 817 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 818 <a href="https://nilsfleischhacker.de/publication/limitations-of-the-meta-reduction-technique-the-case-of-schnorr-signaturesthesis/" itemprop="name">Limitations of the Meta Reduction Technique: The Case of Schnorr Signatures</a> 819 <div itemprop="author"> 820 Nils Fleischhacker</div> 821 <div class="pub-publication"> 822 Master Thesis, Technische Universität Darmstadt, 823 2012
824 </div> 825 <div class="pub-links"> 826 827<a class="btn-paper" href="https://nilsfleischhacker.de/papers/mscthesis.pdf" target="_blank" rel="noopener"> 828 PDF 829</a> 830 831 832 </div> 833</div> 834 835 836 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 837 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 838 <a href="https://nilsfleischhacker.de/publication/group-signatures-authentication-with-privacy/" itemprop="name">Group Signatures: Authentication With Privacy</a> 839 <div itemprop="author"> 840 Mark Manulis, Nils Fleischhacker, Felix Günther, Franziskus Kiefer, Bertram Poettering</div> 841 <div class="pub-publication"> 842 Survey for the Federal Office for Information Security, Germany, 843 2012 844 </div> 845 <div class="pub-links"> 846 847<a class="btn-paper" href="https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/GruPA/GruPA.html" target="_blank" rel="noopener"> 848 bsi.bund.de 849</a> 850 851 852 </div> 853</div> 854 855 856 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 857 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 858 <a href="https://nilsfleischhacker.de/publication/sdf---solar-aware-distributed-flow-in-wireless-sensor-networks/" itemprop="name">SDF - Solar-Aware Distributed Flow in Wireless Sensor Networks</a> 859 <div itemprop="author"> 860 Immanuel Schweizer, Nils Fleischhacker, Max Mühlhäuser, Thorsten Strufe</div> 861 <div class="pub-publication"> 862 36th IEEE Conference on Local Computer Networks (LCN 2011), 863 2011 864 </div> 865 <div class="pub-links"> 866 867<a class="btn-paper" href="https://doi.org/10.1109/LCN.2011.6115320" target="_blank" rel="noopener"> 868 ieeexplore.ieee.org 869</a> 870 871<a class="btn-paper" href="https://nilsfleischhacker.de/papers/lcn2011.pdf" target="_blank" rel="noopener"> 872 Full Version 873</a> 874 875 876 </div> 877</div> 878 879 880 <div class="pub-list-item" style="margin-bottom: 1rem" itemscope itemtype="http://schema.org/CreativeWork"> 881 <i class="fa-regular fa-file-lines pub-icon" aria-hidden="true"></i> 882 <a href="https://nilsfleischhacker.de/publication/distributed-flow-in-solar-powered-sensor-networks/" itemprop="name">Distributed Flow in Solar Powered Sensor Networks</a> 883 <div itemprop="author"> 884 Nils Fleischhacker</div> 885 <div class="pub-publication"> 886 Bachelor Thesis, Technische Universität Darmstadt, 887 2010 888 </div> 889 <div class="pub-links"> 890 891 892 </div> 893</div> 894 895 896 </div> 897</div> 898<br> 899 <div class="row"> 900 <div class="col-xs-12 col-md-4 section-heading"> 901 <h1>Miscellaneous</h1> 902 </div> 903 904 <p>I am the author of the <span class="latex">L<sup>a</sup>T<sub>e</sub>X</span> package <a href="https://ctan.org/pkg/tikzpeople">tikzpeople</a> that provides peoÂple-shaped nodes for TikZ. These may be useful in <span class="latex">L<sup>a</sup>T<sub>e</sub>X</span> beamer presentations or even your papers if you are so inclined.</p> 905<p>In my spare time I enjoy long distance running. My current PBs are 43:01 (10k), 1:34:20 (Half Marathon), and 3:18:44 (Marathon).</p> 906 907 908</div> 909<br> 910 <div class="row"> 911 <div class="col-xs-12 col-md-4 section-heading"> 912 <h1>Contact</h1> 913 <ul class="fa-ul" itemscope=""> 914 <li> 915 <i class="fa-solid fa-li fa-envelope"></i> 916 <a href="mailto:[email protected]">[email protected]</a> 917 </li> 918 <li> 919 <i class="fa-solid fa-li fa-map-marker"></i> 920 <span>Ruhr University Bochum<br>Building MC, Room 0/17<br> Universitaetsstr. 150<br> 44780 Bochum<br> Germany</span> 921 </li> 922 </ul> 923 </div> 924</div> 925<br> 926</div> 927 928 </main> 929 </body> 930</html>
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