89MZNpxk

1    private fun hasHardwareBackedSupport(): Boolean {
2        val testKey: SecretKey = KeyGenerator.getInstance("AES", "AndroidKeyStore").apply {
3            val builder = KeyGenParameterSpec.Builder(
4                "key1", KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT
5            )
6
7            init(builder.build())
8        }.generateKey()
9
10        val keyInfo = SecretKeyFactory
11            .getInstance(testKey.algorithm, "AndroidKeyStore")
12            .getKeySpec(testKey, KeyInfo::class.java) as KeyInfo
13
14        return keyInfo.isInsideSecureHardware
15    }