Communication system with PKI key pair for mobile terminal
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United States of America Patent
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Mar 19, 2019
Grant Date -
Aug 3, 2017
app pub date -
Jul 28, 2015
filing date -
Aug 4, 2014
priority date (Note) -
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Abstract
A PKI key pair comprising a private key and a public key is arranged for the end device. The public key is stored at the communication partner. The communication partner is arranged to provide a session key, encrypt data using the session key, encrypt the session key using the public key and convey the encrypted data to the end device. The communication system is further characterized in that it comprises a server system, remote from the mobile end device, in which the private key is stored in a secure environment. For this, the communication partner is furthermore arranged to transmit the encrypted session key to the server system. Moreover, the server system is arranged to decrypt the session key for the end device with the private key and to transmit it in decrypted form to the end device for decrypting the data.
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