Generates a random 32 byte key

RawKeyGenerator.kt

/**
 * Generates a random 32 byte key.
 *
 * @return a byte array containing random values
 */
fun generateRandomKey(): ByteArray =
    ByteArray(32).apply {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            SecureRandom.getInstanceStrong().nextBytes(this)
        } else {
            SecureRandom().nextBytes(this)
        }
    }