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Cyclic data file commit-rollback method for chip card, involves storing, in cyclic index files, respective indices of cyclic data files, and storing, in index registers, current index of index files
Cyclic data file commit-rollback method for chip card, involves storing, in cyclic index files, respective indices of cyclic data files, and storing, in index registers, current index of index files
The method involves storing, in cyclic index files (IF), respective indices (Ii1-Iim) of cyclic data files (F1-Fm), and storing, in index registers (MIR), the current index (IFi) of the index files. The content of a current index file record is copied in the following record of the same file before each synchronized update of the data files. The registers (MIR) are updated at the end of synchronized updating of the data files.
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