| 摘要 |
The invention relates to a method of customizing a security component in an unprotected environment. The method according to embodiments of the invention includes: inserting a first secret K0 into said security component, said insertion implemented in a secure domain under the responsibility of the manufacturer of the security component; generating an application secret K and generating a customization cryptogram [K]K0 obtained by encrypting the application secret K with the first secret K0, in an application secure domain under the responsibility of the holder of the security component; and customizing the security component by inserting the customization cryptogram [K]K0 into said security component, said customization step being implemented in an application domain. The invention applies to components of secure access module type.
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