Thales Dis France Sas

Olivier Poncelet

Isabelle Rougeaux

Olivier Renard

Jerome Delmas

Nicolas Vienne

Olivier Blanchot

Evangelos Spyropoulos

Guillaume Phan

Emmanuel Lepavec

Provided is a method for securely diversifying a generic application stored in a secure processor of a terminal, said method comprising: Generating at the request of a manager application hosted in an application processor of said terminal, at the level of a distant server, a server challenge; Sending said server challenge to said application; Generating a first message at said application, said first message being function of said server challenge, an application challenge and an unique identifier of said application; Sending said first message to a Root-Of-Trust service hosted in a secure processor of said terminal, said Root-of-Trust service generating an attestation of said first message, said attestation guaranteeing that said first message has not been modified and originates from said secure processor; and Transmitting said attestation of said first message to said distant server in an enablement request message.

Method for securely diversifying a generic application stored in a secure processor of a terminal

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RUEIL MALMAISON, France

Olivier Poncelet