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Contributor I

Mobile apps encryption at rest key management

Hello community,

 

I am struggling for some time now to find out details around how software encryption (on an app for example) works on a mobile device. I am especially interested in how the device manages the key used to encrypt given data. Is that key also encrypted with something and how it is protected. I imagine that at some point the encryption keys are encrypted with the user's unlock/PIN or something but I just assume. I would appreciate your thoughts or directions as to where I could find that. Thanks.

2 Replies
Advocate I

Re: Mobile apps encryption at rest key management

I guess it depends on the app and the mobile OS involved.

 

Here's a link that discusses WhatsApp key management on Android that might give you some pointers:

 

https://security.stackexchange.com/questions/136072/how-can-whatsapp-restore-local-or-google-drive-b...

 

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Contributor I

Re: Mobile apps encryption at rest key management

Thanks @AlecTrevelyan - I will review.