Patent ID: 11887508
Assignee: SONY GROUP CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 1:
2. The information processing apparatus according to claim 1, wherein
the keyword for the information search includes a search keyword,
the encrypting unit is further configured to generate the encrypted keyword in which a hash value calculated by using the search keyword and keyed hashing is mapped into the bit string having the predetermined length,
the bit inverting unit is further configured to select a predetermined number of bits from the encrypted keyword on the basis of the dynamically generated random number, and invert the predetermined number of selected bits,
the communicating unit is further configured to send the encrypted keyword and inverted-bit-number information regarding the encrypted keyword to the external apparatus, and receive an encryption search result corresponding to the encrypted keyword, and
the encryption search result includes a result of an information search using searchable encryption.