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Secure Development for Mobile Apps
book

Secure Development for Mobile Apps

by J. D. Glaser
October 2014
Intermediate to advanced content levelIntermediate to advanced
472 pages
10h 44m
English
Auerbach Publications
Content preview from Secure Development for Mobile Apps
254
seCure develoPment For mobIle APPs
$formFields['username'] = mb_substr($_POST['username'], 0, 40,
"UTF-8");
Note the use of m b _ su bstr() and the setting of UTF-8 for completeness.
m b _ su bstr() is not exactly required for this case, but it begins the process of
treating all strings as Unicode strings, and makes it easier if username is changed to
allow Unicode characters.
Double Encryption of User Passwords
e second sanitization action is completely destructive. Both the password, and the
password confirmation are hashed and then originals are destroyed.
$formFields['passwordOrig'] = hash('sha256',
$_POST['passwordOrig']);
$formFields['passwordConfirm'] = hash('sha256', $_
POST['passwordConfirm']);
is accomplishes a few goals for sec ...
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Publisher Resources

ISBN: 9781482209037