Identity-Based Public Auditing Scheme for Cloud Storage with Strong Key-Exposure Resilience

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Proposed scheme</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Audit response (bytes)</td><td class="align_center"><span class="nowrap"><svg height="12.4698pt" id="M153" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.28833 51.817 12.4698" width="51.817pt" 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="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 635C177 635 130 609 99 576L42 495L64 475C90 514 133 568 201 568C274 568 318 519 318 435C318 349 255 267 193 193C144 135 87 78 32 23V0H405C417 45 427 89 440 131L412 140Z"></path></g><g transform="matrix(.013,0,0,-0.013,6.24,0)"><path d="M162 -163V703H101V-163H162Z"></path></g><g transform="matrix(.013,0,0,-0.013,9.659,0)"><path d="M673 297H417L411 270C517 261 522 258 506 183L487 92C476 38 428 19 360 19C207 19 123 132 123 287C123 472 243 631 441 631C557 631 617 583 617 469L647 472C650 545 655 604 658 632C625 643 554 666 467 666C201 666 23 502 23 278C23 90 156 -16 339 -16C410 -16 501 6 569 24C566 43 567 70 573 101L589 183C604 259 607 262 667 271L673 297Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,18.486,3.132)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g><g transform="matrix(.013,0,0,-0.013,23.432,0)"><path d="M162 -163V703H101V-163H162Z"></path></g><g transform="matrix(.013,0,0,-0.013,29.757,0)"><path d="M535 230V280H323V490H265V280H52V230H265V-3H323V230H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,40.293,0)"><path d="M162 -163V703H101V-163H162Z"></path></g><g transform="matrix(.013,0,0,-0.013,43.712,0)"><path d="M324 430H196L233 583L223 592L145 529L120 430H54L29 396L31 388H111L56 126C33 15 54 -12 77 -12C137 -12 214 57 250 95L233 119C208 92 155 59 138 59C126 59 120 70 131 125L186 390L298 394L324 430Z"></path></g><g transform="matrix(.013,0,0,-0.013,48.146,0)"><path d="M162 -163V703H101V-163H162Z"></path></g></svg>.</span> no_of_clients</td></tr><tr><td class="align_left">Proof generation</td><td class="align_center">no_of_clients [(<i>c</i> + 1)<i>T</i><sub>e</sub>+ (<i>c</i> + 2)<i>T</i><sub>m</sub>]</td></tr><tr><td class="align_left">Proof verification</td><td class="align_center">no_of_clients (2<i>T</i><sub>H</sub> + 2<i>T</i><sub>e</sub>) + 4<i>T</i><sub>p</sub></td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of size of audit response and computation time in terms of number of operations in batch auditing.</div>

Security and Communication Networks

tab3

Table 3

Table 3: Identity-Based Public Auditing Scheme for Cloud Storage with Strong Key-Exposure Resilience 