| 摘要 |
The invention provides for a telecommunication method of securely exchanging unencrypted data (122) between a telecommunications device (100) and a first server (108) via a digital cellular wireless telecommunications network (102), wherein the telecommunications device is a battery powered mobile end user telecommunications device, wherein the method comprises the steps of: encrypting (200) the unencrypted data using a first encryption algorithm (144) into first encrypted data, sending (202) the first encrypted data to a second server (110) via a first network connection of the digital cellular wireless telecommunications network, storing (204) the first encrypted data by the second server, sending (206) an order request (126) to the first server via a second network connection of the digital cellular wireless telecommunications network by the telecommunications device, sending (208) a data publishing request (128) to the second server, generating (210) a cryptographic key pair (130, 132), sending (212) the first encrypted data, the public key, and the private key to the telecommunications device, decrypting (214) the first encrypted data into the unencrypted data, encrypting (216) the unencrypted data into second encrypted data (136) using the public key, sending (218) the second encrypted data to the second server, generating (220) a web service for providing the second encrypted data via an URL (138), sending (222) the URL to the telecommunications device, sending (224) the URL and the private key, requesting (226) the second encrypted data from the second server, sending (228) the second encrypted data to the first server by the second server using the wired network connection, decrypting (230) the second encrypted data by the first server into the unencrypted data, and combining (232) the order request with the unencrypted data. |
