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Android Application Security Essentials by Pragati Ogal Rai

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Advances in hardware

Mobile operating systems have come a long way. When I started working on mobiles, we had candy bar phones that did little more than make phone calls and had basic utilities such as calculator and a widget to show the time and date. To support the advanced use cases for mobile, security has to be built in the hardware itself. There are some efforts in this direction that I have discussed in the following sections.

Hardware security module

Hardware security module, also called a secure element, is a piece of hardware (chip) embedded in the hardware to store cryptographic keys and other sensitive information. The idea is to provide an isolated, tamper resistant environment to store PII. In some cases, a secure element can be carried ...

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