Method of providing a signing key for digitally signing verifying or encrypting data and mobile terminal

A signature key and mobile terminal technology, which is applied in the field of mobile terminals and gateways, can solve the problem that the signature key is not very safe, and achieve the effect of improving adaptability

Inactive Publication Date: 2005-11-23
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Prior art methods of providing signing keys for digitally signing data typically rely on long-term signing keys, which are not very secure since they cannot be changed dynamically
[0005] There are also methods that provide dynamic generation / selection of signing keys, but these usually use additional software and / or hardware such as personalized chip cards

Method used

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  • Method of providing a signing key for digitally signing verifying or encrypting data and mobile terminal
  • Method of providing a signing key for digitally signing verifying or encrypting data and mobile terminal
  • Method of providing a signing key for digitally signing verifying or encrypting data and mobile terminal

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Embodiment Construction

[0035] Figure 1a Shown is a mobile terminal 1 of a first contracted party who is contracted with an online service provider OSP constituting a second contracted party.

[0036] from Figure 1a As can be seen in the figure, between the mobile terminal 1 and the online service provider OSP firstly through the wireless access network 2 (which may be based on a specific network such as DECT, bluetooth or infrared data communication), secondly through the personal computer PC (in turn connected to said online service provider via Internet IP) to establish a connection. Both the mobile terminal 1 and the personal computer PC have interfaces corresponding to DECT, bluetooth or infrared data communication.

[0037] Any other type of access point such as a WLAN (Wireless Local Area Network) router or similar may be used instead of the personal computer PC.

[0038] The first party wants to use an online service provided by the online service provider OSP and is therefore required to ...

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PUM

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Abstract

The present invention relates to a method of providing a key, in particular for digitally signing, verifying or encrypting data to be exchanged between a first party and a second party, comprising steps of transmitting (100) an identification code, which is uniquely identifying said first party, from said first party to a gateway (CCBS), verifying (110) said identification code by said gateway (CCBS) by using (111) an authentication server (AUC), and creating (120) a signing key. Said method is characterized by providing (130) said signing key to said first party and / or to said second party. A transmission of said signing key via a secure communications channel, in particular via a GSM-based communications infrastructure, improves the security of payment transactions. The present invention further relates to a mobile terminal (1) and a gateway (CCBS).

Description

technical field [0001] The invention relates to a method of providing keys, in particular for digitally signing, authenticating or encrypting data to be exchanged between a first party and a second party, comprising the steps of: transmitting from said first to a gateway a unique identification an identification code of the first party, the gateway verifies the identification code using an authentication server, and generates a signing key. [0002] The invention also relates to a mobile terminal and a gateway. [0003] The present invention is based on the prior application EP04291293.1, which is therefore incorporated by reference. Background technique [0004] Prior art methods of providing signing keys for digitally signing data typically rely on long-term signing keys, which are not very secure since they cannot be changed dynamically. [0005] There are also methods that provide for dynamic generation / selection of signing keys, but these usually use additional softwa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/062H04L63/08
Inventor F-J·巴内特M·杜斯皮娃S·鲁普H·J·施特格斯
Owner ALCATEL LUCENT SAS
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