Patent ID: 11921877
Assignee: AMADEUS S.A.S.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 9:
10. A method comprising:
receiving, by a node, a set of index-key pairs generated by a randomization service external to the node, wherein each index-key pair defines a particular index value mapped to a particular random key value;
creating, by the node, a mapping structure using the set of index-key pairs;
receiving data-in-transit comprising sensitive data;
generating, by a tokenization service of the node, a token for the sensitive data using the mapping structure, wherein the mapping structure includes a plurality of index values;
encrypting the token to obtain an encrypted token; and
forwarding the encrypted token to an application interface of a process executing using a first set of computing resources that are isolated from a second set of computing resources that the node allocates to the tokenization service, and
wherein generating the token comprises:
randomly selecting an index value from among the plurality of index values; and
performing an invertible operation on the sensitive data and a random key value mapped to the index value in the mapping structure to generate the token.