Состав стандарта[ править править код ] Стандарт состоит из 15 частей, обозначенных цифрами Например, ISO Часть 1 описывает физические параметры карт в том числе требования к стойкости карт к излучениям и механическим нагрузкам. Часть 2 описывает расположение и назначение контактов.
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Within each EF of cyclic structure, the record numbers shall be sequentially assigned in the opposite order, i. The use of a block cipher may involve padding. The order of the file identifiers is always in the direction parent to child. This mechanism may be used for protecting privacy fuletype for reducing the possibilities of message filtering.
Decoding conventions for Le If the value of Le is coded in 1 or 2 byte s where the bits are not all null, then the uso of Le is equal to the value of the byte s which lies in the range from 1 to or ; the null value of all the bits means the maximum value of Le: Short EF identifiers connot be used in a path or as a file identifier e.
The result of an authentication may be logged in an internal EF according to the requirements of the application. Each non TLV-coded data field shall consist of one or more data elements, according to the specifications of the respective command. The loaded data may contain, for example, code, keys and applets. File-specific security status — It may be modified by the completion of a DF-related authentication procedure e.
According to its abstract, it specifies the Data Elements DEs used for interindustry interchange based on integrated circuit cards ICCs both with contacts and without contacts. Within an EF of record structure, records may have the same record identifier, in which case data contained in the records may be used for discriminating between them. In case 4, the length Lc is not null; therefore the Lc field is present and the data field consists of the Lc subsequent bytes.
ISO part 4 section 5 APDU level data structures The following structures of EFs are defined: If present, the data objects of the other classes shall be integrated in such a computation. Referencing by record identifier shall induce the management of a record pointer.
Easy chip card integration with our smart card. Each security mechanism involves an algorithm, a key, an argument and often, initial data. Consequently, the body consists of the Lc field followed by the data field and the Le field.
An application protocol data unit APDU contains either a command message or a response message, sent from the interface device to the card or conversely. The goal of secure messaging SM is to protect [part of] the messages ifc and from a card by ensuring two basic security functions: By the relevant security mechanisms, with the selected security items, the card shall produce all the requested security mechanism data objects.
The MF is mandatory. In case 2, the length Lc is null; therefore the Lc field and the data field are empty. It codes no class and no construction-type.
F I G U R E 2 Entity authentication with key — The entity to be euthenticated has to prove the knowledge of the relevant key in an authentication procedure e. The data fields of some other commands e. Linear EF with record of fixed size. An annex is provided that shows how to control the loading of data secure download into the card, by means of verifying the access rights of the loading entity and protection of the transmitted data with secure messaging. Most Related.
According to its abstract, it specifies the Data Elements DEs used for interindustry interchange based on integrated circuit cards ICCs both with contacts and without contacts. Created inupdated in Do I miss anyithing? From Wikipedia, the free encyclopedia. Email Required, but never shown. This part specifies commands for application management in a multi-application environment. Created inupdated inamended in According to its abstract, it specifies a card application.
ISO 7816-4 PDF