Method for indicating enciphering of data transmission between a mobile communication network and a mobile station

Abstract

The invention relates to a method for indicating enciphering of data transmission between a mobile communication network and a mobile station (MS) in the mobile communication network, wherein signals transferred between a mobile communication network and a mobile station are monitored, and on the basis of the signal monitored, the cipher mode is indicated to the user of the mobile station.

1 . A method for indicating enciphering of data transmission between a mobile communication network and a mobile station (MS) in the mobile communication network, characterized in that 
 signals transferred between a mobile communication network and a mobile station are monitored, and    on the basis of the signal monitored, the cipher mode is indicated to the user of the mobile station.    
     
     
         2 . A method according to    claim 1   , characterized in that in addition to indicating the cipher mode, a change in the cipher mode is indicated to the user of the mobile station.  
     
     
         3 . A method according to    claim 1    or    2   , characterized in that the data transmission connection between the mobile communication network and the mobile station (MS) is a radio connection.  
     
     
         4 . A method according to any of the    claims 1    to    3   , characterized in that the communication network is a digital communication network, such as a GSM network.  
     
     
         5 . A method according to any of the    claims 1    to    4   , wherein the mobile station (MS) comprises a display unit ( 8 ) and an acoustic signal forming element ( 10 ), known as such, characterized in that the cipher mode is indicated with the display unit ( 8 ) and a change in the cipher mode is indicated with the acoustic signal forming element ( 10 ).  
     
     
         6 . A method according to any of the    claims 1    to    4   , wherein the mobile station (MS) comprises a light source (LED), known as such, characterized in that the cipher mode is indicated with the light source (LED).  
     
     
         7 . A method according to    claim 6   , characterized in that a change in the cipher mode is indicated with a flashing light.  
     
     
         8 . A method according to any of the    claims 1    to    4   , characterized in that the cipher mode is indicated by vibration.  
     
     
         9 . A method according to any of the preceding claims, characterized in that the signal to be monitored is a, control signal.  
     
     
         10 . A method according to any of the preceding claims, wherein a first mobile station (MS 1 ) and a second mobile station (MS 2 ) are in a data transmission connection with each other through at least one mobile communication network, characterized in that the cipher mode between the mobile communication network and the first mobile station (MS 1 ) is indicated to the user of the second mobile station (MS 2 ).  
     
     
         11 . A method according to any of the preceding claims, wherein the mobile station is used in connection with a data processor (PC) for data transmission between a mobile communication network and the data processor (PC), characterized in that the cipher mode is indicated on the display unit ( 12 ) of the data processor and a change in the cipher mode is indicated with the acoustic signal forming element ( 10 ) of the data processor.  
     
     
         12 . An apparatus for indicating enciphering of data transmission between a mobile station (MS) and a mobile communication network in the mobile communication network, characterized in that the apparatus comprises: 
 means ( 1 ) for monitoring signals transferred between a mobile communication network and a mobile station (MS) and    means ( 8 ,  12 ) for indicating the cipher mode to the user of the mobile station.    
     
     
         13 . An apparatus according to    claim 12   , characterized in that the apparatus comprises further means ( 10 ,  13 ) for indicating a change in the cipher mode.  
     
     
         14 . An apparatus according to    claim 12    or    13   , characterized in that the means ( 8 ,  12 ) for indicating the cipher mode comprise a display unit ( 8 ) of the mobile station, and the means ( 10 ,  13 ) for indicating a change in the cipher mode comprise an acoustic signal forming element ( 10 ), such as a sound generator or the like.  
     
     
         15 . An apparatus according to any of the    claims 12    to    14   , characterized in that the means ( 10 ,  13 ) for indicating a change in the cipher mode comprise a light source (LED), known as such.  
     
     
         16 . An apparatus according to any of the    claims 12    to    15   , characterized in that the means ( 10 ,  13 ) for indicating a change in the cipher mode comprise means for generating vibration.  
     
     
         17 . An apparatus according to any of the    claims 12    to    16   , characterized in that it is provided in a mobile station (MS).  
     
     
         18 . An apparatus according to    claim 12    or    13   , characterized in that the means ( 8 ,  12 ) for indicating the cipher mode and the means ( 10 ,  13 ) for indicating a change in the cipher mode are provided in a data processor (PC) communicating with a mobile station (MS).