Patent ID: 11914738
Assignee: KONINKLIJKE PHILIPS N.V.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. A categorization device for enabling a categorization of a sensitive data field in a dataset, the dataset comprising one or more records, each record of the dataset comprising a value of the sensitive data field, the categorization device comprising:
a communication interface configured for digital communication with a client device and a data provider device;
a memory configured to store a decryption key for homomorphic encryptions;
a processor configured to:
obtain, from the data provider device, data encoding a category of a possible value of the sensitive data field and a homomorphic encryption indicative of a difference between the possible value and a value of the sensitive data field for a record of the dataset;
determine if the value of the sensitive data field for the record matches the possible value from said homomorphic encryption using the decryption key, and in response to determining that the value of the sensitive data field for the record matches the possible value, associate said category to the record;
provide, to the client device, second data encoding the category associated to the record.