| 摘要 |
The subject of the invention is encryption system for protecting phone calls, which serves to encrypt telephone calls, primarily for encryption of mobile telephone calls. The system according to the invention uses the telephone network between the calling and called party, primarily mobile telephone network during the identification of the encryption, said system has data communication option, primarily mobile Internet service, beside realizing telephone conversations. The system according to the invention is characterized by that, during the operation of the system the user's telephone number is used in three ways, - the first is the number itself to call from, or to be called, - the second, the telephone number itself is used as an user's ID, functioning not only as a number, but also as an user's identifier, - the third is to issue digital certificates for the users, where the telephone number is used as an identifier, and this way during the call the certificates of the conversing partners are checked, the telephone number is compared with the caller's number, as well as during the operation of the system a datacall is initiated simultaneously with the initiation of the call, which is checked with digital certificates, during which the password is generated by the users themselves, and said password is not recorded anywhere else, and the certificate is issued by the operator of the system, furthermore during the operation of the system the identifiers are handled with such cryptographic methods, that cannot be counterfeited. |
