An Efficient Outsourced Oblivious Transfer Extension Protocol and Its Applications

<div>Average time for OT instances in <span class="nowrap"><svg height="9.10327pt" id="M691" style="vertical-align:-0.2324991pt" version="1.1" viewbox="-0.0498162 -8.87077 30.0335 9.10327" width="30.0335pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M715 332C715 529 588 676 385 676C179 676 45 536 45 332C45 139 185 -14 381 -14C581 -14 715 136 715 332ZM591 548C648 488 671 412 671 332C671 255 647 175 591 119V548ZM547 79C507 49 431 30 381 30C332 30 253 49 213 79V584C251 616 334 632 381 632C434 632 504 619 547 584V79ZM169 119C116 175 89 255 89 332C89 412 112 488 169 548V119Z"></path></g><g transform="matrix(.013,0,0,-0.013,9.88,0)"><path d="M593 588L583 662H25L15 588H260V0H348V588H593Z"></path></g><g transform="matrix(.013,0,0,-0.013,17.784,0)"><path d="M362 167C332 96 291 61 238 61C164 61 102 117 102 222H411V277C411 386 345 463 238 463C182 463 134 446 95 409C52 369 23 306 23 226C23 74 113 -10 230 -10C327 -10 380 34 428 132L362 167ZM115 293C128 364 183 392 230 392C274 392 327 378 330 293H115Z"></path></g><g transform="matrix(.013,0,0,-0.013,23.556,0)"><path d="M452 0L286 236L432 453H338L241 302L136 453H42L191 239L30 0H124L236 175L358 0H452Z"></path></g></svg>.</span></div>

Security and Communication Networks

fig10

Figure 10

Figure 10: An Efficient Outsourced Oblivious Transfer Extension Protocol and Its Applications 