The data security in multipoint issue/application communicating

摘要

(57) Abstract For example it is useful manner and the program product one publisher (10) in the issue/application communication system (30) which at least possesses one applicant (20). Regarding this manner and the program product, the encryption data directing, the applicant of 1 or more (20 '') (20) it is issued. These applicants try decoding, but it fails in decoding of the particular data. In this manner and the program product, after that, the applicant (20 '') (20) with key exchange with the publisher (10) is initialized. Because of this, you send the key, after that, can decode the issue data.