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Monday, 28 October 2013

Signing email with an NFC smart card on Android

08:31 | Posted by

Last time we discussed how to access the SIM card and use it as a secure element to enhance Android applications. One of the main problems with this approach is that since SIM cards are controlled by the MNO any applets running on a commercial SIM have to be approved by them. Needless to say, that considerably limits flexibility. Fortunately, NFC-enabled...

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Friday, 27 September 2013

Using the SIM card as a secure element in Android

08:30 | Posted by

Our last post introduced one of Android 4.3's more notable security features -- improved credential storage, and while there are a few other enhancements worth discussing, this post will slightly change direction. As mentioned previously, mobile devices can include some form of a Secure Element (SE), but a smart card based UICC (usually called...

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Tuesday, 20 August 2013

Credential storage enhancements in Android 4.3

10:06 | Posted by

Our previous post was not related to Android security, but happened to coincide with the Android 4.3 announcement. Now that the post-release dust has settled, time to give it a proper welcome here as well. Being a minor update, there is nothing ground-breaking, but this 'revenge of the beans' brings some welcome enhancements and new...

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Tuesday, 23 July 2013

Building a wireless Android device using BeagleBone Black

19:51 | Posted by

Our previous posts were about code signing in Android, and they turned out to be surprisingly relevant with the announcement of the 'master key' code signing Android vulnerability. While details are yet to be formally released, it has been already patched and dissected, so we'll skip that one and try something different for a change. This post is not...

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