Signature card

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Signature card
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The signature card shows the bank how you write your name, so each check that is signed should be signed in the same way as on the signature card (N. Lobb, s.8).This card is a secured device that has a secret key embedded in it. This card, on request, signs any document. However, it never reveals the secret key (S. P. Vadhan, s.57). When the depositor first opens a bank account, he is required to sign a handwritten signature on the card. This card is stored in the bank. Then, if there is any suspicion that the signature has been falsified, for example, on a check, bank employees compare the signature on the check with the original on the signature card (D. B. Proctor, A. P. Adams, s.440)

Signature cards in a business situation

In the case of a business situation such as a doctor's office, the doctor often gives responsibility for paying various types of bills to a medical assistant or other his office staff. Then, every employee who has the responsibility to sign medical facility checks must go to the bank, where he is required to add a handwritten signature to the signature card. Authorized to sign checks are only those whose names appear on the signature card. If the bank has any doubts about the signatures, it is authorized to verify them (D. B. Proctor, A. P. Adams, s.440).

Digital signature card in a digital signature system

Digital signature cards are one of the basic elements of a digital signature system. They are very important because they carry out all security-related processes. Therefore, we can see the difference between issuing cards and the process of signing and verifying signatures (W.Rankl, W.Effing pkt.23.1.3).

Signature card issuing

To issue a signature card a future user must first register with the registration office. He must appear in person and present an acceptable identity card (personal ID card). He can also choose a pseudonym instead of the real name. The registration authority

  • forwards the information it has received
  • verified the information it has received

to the trust center. the trust center initiates key generation and personalization of the signature card. In that place the key and signature personalization are generated. These activities can also be carried out directly with the registration authority. Then it is signed by the trust center certification service and becomes a recognizable and authentic public key. This key is available to every system user. After all these activities, the new user receives a digital signature card and a letter with a PIN number. Then he can finally use it (W.Rankl, W.Effing pkt.23.1.4).

References

Author: Anna Jędrzejczyk