Telenor Asa

Comvik Gsm Ab

Leif Sandberg

Tomas Julin

Kjell Rodberg-Larsen

Bjorn Almgren

The present invention discloses a method of registering and activation of PKI functionalities in SIM (Subscriber Identity Module) cards by preprinting a number of sealed envelopes each containing an activation code hidden when unopened and a reference number or code visibly printed on the envelope. The reference number or code and the associated activation code of each envelope are stored in a table in a security server being integrated in or connected to the PKI. The user is provided one of the sealed envelopes together with an application form. The user is requested to fill in the reference code or number on the application form together with personal data, and this is transferred to the PKI and the security server. When the registration is approved by the PKI, approval information is transmitted to the user, requesting him to enter the activation code in his terminal. Simultaneously, the activation code associated with the reference code or number in the table and a Smart Card identity corresponding to the Smart Card of the user, are provided to an Activation Module in the PKI. Upon entering of the activation code in the terminal, the activation code together with the Smart Card identity is transmitted from the terminal to the Activation Module. Upon receipt of the activation code and the Smart Card identity, the Activation Module determines if the received activation code and Smart Card identity match those previously provided by the security server, and if so, the Activation Module executes the necessary procedure for enabling the PKI part of the Smart Card.

Method for registering and enabling PKI functionalities

A method for enabling at least a part of a Smart Card (e.g. SIM card) is described where a one time activation code is generated in a server at a telephone operator. The activation code is sent via registered mail to a Smart Card user, in a cellular phone. When the user enters the activation code into the phone, the entry is transmitted to the server for verification. Upon successful verification, the server transmits an enabling command to the phone, thus enabling the intended part of the SIM card. This may enable PKI functionalities until now hidden in the SIM card and thus unavailable for the user. The user may then choose his signing PIN for authentication, encryption and transaction signing. In case of enabling PKI functions, all necessary generation of private and public keys and establishment of certifications are carried through when the activation code is verified.

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Saltsjö-Boo, Sweden

Leif Sandberg