METHOD AND SYSTEM FOR DISTRIBUTED PROGRAM DEVELOPMENT FOR PROGRAMMABLE PORTABLE INFORMATION MEDIUM Russian patent published in 2006 - IPC G06F13/00 G06F9/445 H04L9/14 

FIELD: unauthorized access protected development of executable program code for programmable portable information medium.

SUBSTANCE: initial program text is created on user's computer, transferred to information medium issuer's computer, where initial text is compiled and assembled; executable program code is created, which is enciphered and converted to transport code, which is downloaded to information medium through user's computer. At the same time during preliminary assembly information medium is equipped with instrumental program means for restoring executable program code from transport code, which is presented in intermediate format. Also system for distributed development of executed program for portable information medium, and information medium are disclosed.

EFFECT: increased data protection.

20 cl, 9 dwg