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Even better than the app's private data folder, use Android's KeyChain API to store the key in hardware-backed credential storage: http://developer.android.com
by tjohns 13y ago
Even better than the app's private data folder, use Android's KeyChain API to store the key in hardware-backed credential storage:
http://developer.android.com/reference/android/security/KeyChain.html http://developer.android.com/reference/android/security/KeyC...
- nemothekid 13y agoThis API wasn't available until Ice Cream (4.0). I don't know WhatsApp user makeup, but I wouldn't be surprised if this "system" is a holdover of what was available to them in Eclair.