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Can I decrypt documents encrypted with "old" chip cards with my new chip card?

In principle, the following applies to ALL signature cards (including follow-up cards!) from all signature card providers:
The "old" emails/documents were encrypted with your "old" public key and can therefore only be decrypted with your "old" private key (which is stored on your "old" signature card).

You will receive a new key pair with a follow-up card / new card. This new key pair cannot be used for your existing emails / encrypted documents.
It is therefore advisable not to dispose of the "old" signature card.

That a card has expired when decrypting DOCUMENTS with Sign Live! CC no influence. The signature card expiration date is displayed in Sign Live! CC checked only with the signature.

Qualified electronic signature: ECJ ruling of February 29.02.2024, 25 A current ECJ ruling specifies the interpretation of Article XNUMX of the Regulation (EU)...