The ISCardISO7816 interface provides methods for implementing ISO 7816-4 functionality. With the exception of ISCardISO7816::SetDefaultClassId, these methods create an APDU command that is encapsulated in a ISCardCmd object.
The ISO 7816-4 specification defines standard commands available on smart cards. The specification also defines how a smart card Application Protocol Data Unit (APDU) command should be constructed and sent to the smart card for execution. This interface automates the building process.
The following example shows a typical use of the ISCardISO7816 interface. In this case, the ISCardISO7816 interface is used to build an APDU command.
Note In the method reference pages, if a bit sequence in a table is not defined, assume that bit sequence is reserved for future use or proprietary to a specific vendor).
ISCardISO7816 Methods | Description |
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AppendRecord | Constructs a command that appends a record to the end of an elementary file (EF). |
EraseBinary | Sets part of the content of an elementary to its logical erased state, sequentially, starting from a given offset. |
ExternalAuthenticate | Conditionally updates the security status using the result of the computation by the card, based on a challenge previously issued by the card (for example, by the INS_GET_CHALLENGE command), a possibly secret key stored in the card, and authentication data transmitted by the interface device. |
GetChallenge | Requires the issuing of a challenge for use in a security-related procedure. |
GetData | Retrieves a single primitive data object or a set of data objects contained in a constructed data object, based on the type of file specified. |
GetResponse | Transmits from the card to the interface device APDU(s) that otherwise could not be transmitted by the available protocols. |
InternalAuthenticate | Initiates the computation of the authentication data by the card using the challenge data sent from the interface device and a relevant secret stored in the card. |
ManageChannel | Opens and closes logical channels. |
PutData | Stores one primitive data object, or one or more data objects contained in a constructed data object, within the current resource manager context. |
ReadBinary | Constructs a command that acquires a response message that gives that part of the contents of an EF with transparent structure. |
ReadRecord | Constructs a command that reads the contents of the specified records of an elementary file. |
SelectFile | Sets a current file within a logical channel. |
SetDefaultClassId | Assigns a standard class ID byte that will be used in all operations when constructing an ISO 7816-4 command APDU. |
UpdateBinary | Initiates the update of the bits already present in an EF with the bits given in the command APDU. |
UpdateRecord | Constructs a command that initiates the updating of a specific record. |
Verify | Initiates the comparison in the card of the verification data sent from the interface device with the reference data stored in the card. |
WriteBinary | Initiates the writing of binary values into an EF. |
WriteRecord | Constructs a command that writes a record. |