A New One-Dimensional Chaotic Map and Its Use in a Novel Real-Time Image Encryption Scheme

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="409586.fig.007a" src="https://static.hindawi.com/articles/am/volume-2014/409586/figures/409586.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Lena image encrypted with the first secret key</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="409586.fig.007b" src="https://static.hindawi.com/articles/am/volume-2014/409586/figures/409586.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Lena image encrypted with the second secret key</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="409586.fig.007c" src="https://static.hindawi.com/articles/am/volume-2014/409586/figures/409586.fig.007c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>The difference image of the two encrypted images</td></tr></table></td></tr></table>

<table>Images that resulted from encrypting the Lena image using two secret keys which differ by <svg height="16.049999" id="M372" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 35.474998 16.049999" width="35.474998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,15.775)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.017,-0,0,-.017,8.222,15.775)"><path d="M241 635q53 0 94 -28.5t63.5 -76t33.5 -102.5t11 -116q0 -58 -11 -112.5t-34 -103.5t-63.5 -78.5t-94.5 -29.5t-95 28t-64.5 75t-34.5 102.5t-11 118.5q0 58 11.5 112.5t34.5 103t64.5 78t95.5 29.5zM238 602q-32 0 -55.5 -25t-35.5 -68t-17.5 -91t-5.5 -105
q0 -76 10 -138.5t37 -107.5t69 -45q32 0 55.5 25t35.5 68.5t17.5 91.5t5.5 105t-5.5 105.5t-18 92t-36 68t-56.5 24.5z" id="x30"></path></g>
<g transform="matrix(.012,-0,0,-.012,16.375,7.613)"><path d="M535 230h-483v50h483v-50z" id="x2212"></path></g><g transform="matrix(.012,-0,0,-.012,23.36,7.613)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g><g transform="matrix(.012,-0,0,-.012,29.071,7.613)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g>
</svg> on a single double data type component.</table>

Advances in Multimedia

fig7

Figure 7

Figure 7: A New One-Dimensional Chaotic Map and Its Use in a Novel Real-Time Image Encryption Scheme 