METHOD OF CRYPTOGRAPHIC KEY FORMING AND DISTRIBUTION IN MOBILE COMMUNICATION SYSTEM AND CORRESPONDING MOBILE COMMUNICATION SYSTEM

摘要

FIELD: information technology. ^ SUBSTANCE: essence of the invention is that first cryptographic key and the second cryptographic key are formed using authentication key data by end mobile communication device and original communication network computer, respectively. The first cryptographic key is transferred to target communication network computer, and the second cryptographic key is transferred to application server. ^ EFFECT: increase of mobile communication system cryptographic protection efficiency. ^ 15 cl, 3 dwg