Add support for Suite-B cryptography

[Gunni]

Hello!

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Issue details

I would like to use WPA3-Enterprise with 192-bit security level.

Right now I get this error in adb logcat on my android: WifiKeyStore: Invalid certificate type for Suite-B: 1.2.840.10045.4.3.2 or insufficient bit length: 0.

Why is this needed?

For certificates used at the 192-bit security level, the subject public key must use the secp384r1 curve and be signed with the secp384r1 curve.

Wi-Fi alliance requires the use of both ECDSA secp384r1 and RSA 3072 certificates in WPA3-Enterprise 192-bit security networks.