Abstract: The invention relates to a method for secure access to digital data, said digital data being encrypted with a given user's public encryption key and stored on a server. The method comprises the following steps: A. receiving at said server a request from said user to access said digital data; B. transmitting, via said server, via a secure communication interface, a request to a secure user device to release a password stored on said user device; C. obtaining said password via said secure communication interface, from said user device in response to a validated security test issued by said user device to a user; and D. retrieving, via said server, the user's encrypted private key, said user's private key being encrypted with said password, and decrypting said user's encrypted private key with said password to obtain that user's private key, and decrypting said encrypted digital data with said user's private key, and presenting said digital data to said user.