Patent ID: 11966912
Assignee: AUCTANE, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 19:
20. The media of claim 17, the operations further comprising:
responsive to transmitting the customer digital signature, obtaining a second vendor digital signature from the vendor computer system; and
performing, based on a vendor public key, verification of the second vendor digital signature obtained from the vendor computer system by:
hashing at least the customer digital signature to create a reference hash;
decrypting the second vendor digital signature based on the vendor public key to create a decrypted version of the second vendor digital signature;
determining whether the reference hash matches the decrypted version of the second vendor digital signature, the verification indicating that the second vendor digital signature is valid based on the reference hash matching the decrypted version of the second vendor digital signature; and

storing, based on the verification indicating that the second vendor digital signature is valid, the second vendor digital signature at the customer computer system in association with a next postage transaction record.