System to Safeguard the Identity of Persons in Photographs through Cryptography and Steganography Techniques Using Chaos

<table class="fixed-width table-group" id="tab4"><tr><td><table class="table"><colgroup><col style="width:3.74em"/><col style="width:4.62em"/><col style="width:11.03em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"><span style="width: 13.0049ptpx;"><svg height="8.51608pt" id="M87" style="vertical-align:-0.04980946pt" version="1.1" viewbox="-0.0498162 -8.46627 13.0049 8.51608" width="13.0049pt" 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="M1001 650H794L512 213L408 650H198L185 613C283 607 286 586 262 513L178 262C149 176 134 135 120 105C99 60 75 39 20 37L11 0H257L265 37C204 41 184 60 192 106C198 144 206 185 239 293L309 520H311L418 5H450L765 524H767L712 152C697 50 688 43 621 37L614 0H914L922 37C836 43 832 51 845 155L895 547C901 599 909 605 991 613L1001 650Z"></path></g></svg><b> Bit</b></span></td><td class="align_center"><span style="width: 28.5328ptpx;"><svg height="12.5351pt" id="M88" style="vertical-align:-3.23372pt" version="1.1" viewbox="-0.0498162 -9.30138 28.5328 12.5351" width="28.5328pt" 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="M486 629C476 634 465 639 446 646C405 661 367 667 324 667C194 667 95 598 95 475C95 391 155 329 227 283L260 262C313 228 343 183 343 137C343 81 306 27 228 27C115 27 66 150 56 217L21 212C24 123 23 66 22 48C58 17 128 -17 218 -17C362 -17 473 64 473 186C473 283 409 340 337 384L306 403C249 438 217 467 217 520C217 572 249 627 318 627C408 627 438 529 447 468L482 471C480 534 480 588 486 629Z"></path></g><g transform="matrix(.013,0,0,-0.013,6.498,0)"><path d="M535 102L517 134C491 107 456 88 449 88C441 88 441 98 449 139L521 454H509L391 426L351 246C334 217 240 81 186 81C172 81 168 102 179 149L227 351C245 427 235 454 203 454C163 454 94 415 21 348L35 315C61 337 92 363 101 363C107 363 108 345 97 305L56 141C48 108 45 82 45 62C45 0 74 -12 100 -12C122 -12 149 -5 172 8C198 23 256 60 338 165H340C337 147 330 119 325 101C306 29 316 -12 353 -12C384 -12 448 13 535 102Z"></path></g><g transform="matrix(.013,0,0,-0.013,13.753,0)"><path d="M488 323C488 404 452 454 401 454C353 454 270 413 187 315H185L265 665C270 686 269 703 256 703C233 703 168 676 69 664L65 633H89C127 633 132 623 121 574L34 170C22 112 23 72 45 40C64 12 102 -12 157 -12C197 -12 273 4 328 41C430 109 488 219 488 323ZM353 307C353 190 291 78 256 54C240 43 229 38 215 38C187 38 135 61 160 186C165 211 172 240 175 249C231 324 295 372 325 372C336 372 353 359 353 307Z"></path></g><g transform="matrix(.013,0,0,-0.013,20.33,0)"><path d="M600 297C600 402 548 454 439 454C406 454 381 453 344 444L365 522L353 528C314 514 254 479 229 455L218 414C184 403 146 388 113 365L123 331C148 346 175 358 208 367L107 -123C95 -180 77 -195 16 -207L9 -241L298 -229L304 -193L287 -192C232 -189 218 -179 229 -125L254 -3C275 -10 291 -12 312 -12C380 4 464 50 513 103C570 165 600 241 600 297ZM465 297C465 180 383 35 323 35C309 35 281 53 271 68L335 394C346 397 360 400 380 400C422 400 465 382 465 297Z"></path></g></svg></span></td><td class="align_center"><b>Result</b></td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">1001100<u>1</u></td><td class="align_center">1001100<u>1</u> (remains same)</td></tr><tr><td class="align_left">0</td><td class="align_center">1001100<u>1</u></td><td class="align_center">1001100<u>0</u> (replaced)</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Modification of the least significant bit (LSB).</div>

Security and Communication Networks

tab4

Table 4

Table 4: System to Safeguard the Identity of Persons in Photographs through Cryptography and Steganography Techniques Using Chaos 