Method and device for archiving a document
AssigneeTrustseed SAS
InventorEric Blot-Lefevre
Life of this patent
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Abstract
The method for archiving a document includes a step of encryption of the document with a symmetric key, a step of transmission of said encrypted document to an archiving operator, and a step of transmission of the symmetric encryption key of said document to an escrow operator distinct from the archiving operator. The method may also include a step of encrypting of the symmetric key with a key consisting of a dual key comprising asymmetric keys. Depending on whether it is applied to personal archiving or to document transmission, during the step of encryption with the asymmetric key, the asymmetric key is that of the user having transmitted said document or that of the recipient of the document.
Claims15
A method for archiving a document by a user comprising:
- encryption of the document with a symmetric key;
- transmission of said encrypted document to an archiving operator;
- transmission of the symmetric encryption key of said document to an escrow operator distinct from the archiving operator;
- and
- encryption of the symmetric key with a key having a dual-key comprising asymmetric keys.
(canceled)
A device for archiving a document by a user comprising:
- a module configured to encrypt said document with a symmetric key;
- a module configured to transmit said encrypted document to an archiving operator;
- a module for transmitting the symmetric encryption key of said document to an escrow operator distinct from the archiving operator;
- and
- a module for encrypting the symmetric key with a key having a dual key comprising asymmetric keys.
(canceled)
Dependencies are inferred from the claim text.