Patent ID: 8762640

Claim:
A method performed in a plug-in adapter, the method comprising: performing the following in a plug-in adapter having a first contact for connection to a host device, at least two second contacts for connection to a memory card, wherein the memory card stores encoded content, and a third contact for connection to a subscriber identity module (SIM) component storing a unique identifier: creating a communication path between the host device and the SIM component via the memory card by connecting at least one of the second contacts to the third contact and connecting at least another of the second contacts to the first contact; and conveying communications between the host device and the SIM component via the memory card, wherein the communications to the SIM component are encapsulated in commands that are compatible with the memory card's protocol, wherein an embedded processor of the memory card parses out the communications from the commands, and wherein the communications comprise a request to authenticate the host device based on the unique identifier and to decode the encoded content stored in the memory card.