A wireless communicator including a housing, wireless communication functionality located within the housing, and pouching responsive electrical interconnection functionality responsive to pouching orientation of the housing in a pouch of an enhanced function device for causing the wireless communication functionality to authenticate itself to the enhanced function device by (i) generating a random number, A, (ii) encrypting A using a public key of the enhanced function device, (iii) transmitting the encrypted A to the enhanced function device, (iv) receiving an encrypted number, B, from the enhanced function device, encrypted using a public key of the wireless communicator, (iv) decrypting B using a private key of the wireless communicator, (v) encrypting the product A*B using the public key of the enhanced function device, and (vi) transmitting the encrypted A*B to the enhanced function device.