| 摘要 |
<p>The invention relates to a method for a user to prove his ownership of an anonymous document generated by and sent from a secure system of a third party to a secure element of the user, the method comprising it comprises pre-computing pairs of key (K S ,K P ), comprising a secret key and a public key of the user, and storing said pairs of key in the secure element of the user, characterised in that it comprises signing the document both by the user and the third party, each pair of keys pre-computed by the secure element of the user being a one-time key.</p> |
