tokenUnlockVerifyAndExtractReaderPublicKey
abstract fun tokenUnlockVerifyAndExtractReaderPublicKey(readerCertificate: ByteArray, readerGroupIdentifier: ByteArray, readerGroupSubIdentifier: ByteArray, tokenUnlockPass: TokenUnlockPass): ByteArray?
Verifies the lock's provided reader certificate for the requested reader group and returns the P-256 uncompressed public key for the reader cert. Function also accepts reader group data via TokenUnlockPass. Function returns null if trust cannot be verified with the device / if the reader groups list does not contain device's reader group identifier.