Patent ID: 11924337
Assignee: SOLITON SYSTEMS K.K.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 3:
4. The sensitive data management apparatus according to claim 3, which encrypts the sensitive data protection code using a public key selected among a plurality of public keys received in advance from each of the plurality of the sensitive data access support terminals, further configured to:
transmit, to a sensitive data access support terminal which has provided a first public key selected among the plurality of the public keys, the sensitive data protection code encrypted using the first public key, when the operation to start decryption of the sensitive data is performed;
receive, from the sensitive data access support terminal which has provided the first public key, the decrypted sensitive data protection code that has been decrypted based on the sensitive data protection code encrypted using the first public key;
display the sensitive data protection code encrypted using a second public key different from the first public key, when the operation to start decryption of the sensitive data is performed and the transmission of the sensitive data protection code encrypted using the first public key fails; and
input the decrypted sensitive data protection code decrypted by the sensitive data access support terminal which has provided the second public key, based on the sensitive data protection code encrypted using the second public key and displayed.