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Hi All,<br>
<br>
I've developed 2 small/simple/open-source Android apps that can be
useful for data protection in mobile devices:<br>
<br>
=============<br>
<br>
Yapea: Yet Another Picture Encryption Application<br>
<br>
<a class="moz-txt-link-freetext" href="https://play.google.com/store/apps/details?id=org.jdamico.yapea">https://play.google.com/store/apps/details?id=org.jdamico.yapea</a><br>
<a class="moz-txt-link-freetext" href="https://github.com/damico/yapea">https://github.com/damico/yapea</a><br>
<br>
=============<br>
<br>
SecNote:
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Encrypted Notepad for Android<br>
<br>
<a class="moz-txt-link-freetext" href="https://play.google.com/store/apps/details?id=org.jdamico.secnote">https://play.google.com/store/apps/details?id=org.jdamico.secnote</a><br>
<a class="moz-txt-link-freetext" href="https://github.com/damico/SecNote">https://github.com/damico/SecNote</a><br>
<br>
=============<br>
<br>
Both applications, has these features:<br>
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<ul>
<li>Encryption Algorithms:</li>
</ul>
<blockquote>
<blockquote>Symetric encryption:<br>
<br>
AES (CBC/PKCS5Padding)<br>
Blowfish (CFB/NoPadding)<br>
The Initialization Vectors are generated based on unique data
from the smartphone.<br>
</blockquote>
</blockquote>
<ul>
<li>Type of encryption key:<br>
</li>
</ul>
<blockquote>
<blockquote>Length: 256 bits<br>
<br>
Generated through key derivation (from user-defined password)
with PBKF2 algorithm. The salt are generated based on unique
data from the smartphone. The key is stored inside a
configuration file, at smartphone file system. This file is used
for password verification at first time of application use.
After that the key is encripted and stored inside smartphone
memory (cache). But at anytime the user can choose to delete the
encrypted key from memory (Clear cache).<br>
</blockquote>
</blockquote>
<ul>
<li>Application reset: At anytime the user can choose to dump ALL
application data, including encrypted images and configuration.</li>
</ul>
<ul>
<li>Panic password: A password that can be used to delete all
encrypted images. In a case where user is forced to give its
key. (If you’re traveling overseas, across borders or anywhere
you’re afraid your smartphone might be tampered with or
examined).</li>
</ul>
<ul>
<li>Languages: English and Portuguese</li>
</ul>
<br>
=============<br>
<br>
Best Regards,<br>
<br>
Damico<br>
<br>
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