Patent ID: 11936776
Assignee: WELLS FARGO BANK, N.A.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A non-transitory computer readable media having computer-executable instructions embodied therein that, when executed by a processor of a computing system, cause the computing system to perform operations comprising:
transmitting a hash-based message authentication code (HMAC) key cryptogram and a transaction scheme to a database encryption key management system;
receiving a seed generated by the database encryption key management system based on the HMAC key cryptogram and the transaction scheme, wherein the seed is encrypted by the database encryption key management system via an entity public key associated with an entity computing system;
decrypting the seed via an entity private key associated with the entity public key; and
based on the seed, deriving a transaction key (Tk).