ENCRYPTED DATABASE SYSTEMS INCLUDING HOMOMORPHIC ENCRYPTION

A computerized method of querying a cryptographic data store includes maintaining an encryption configuration data structure. The method includes, in response to receiving a first query, identifying first data and consulting the encryption configuration data structure to identify a first encryption regime for the first data. The method includes, in response to the first encryption regime being a homomorphic encryption regime, determining an operation sequence specified by the first query and consulting the encryption configuration data structure to determine whether the operation sequence is supported by the first encryption regime. The method includes, in response to determining that the operation sequence is supported, commissioning homomorphic execution of the operation sequence on the first data to generate encrypted output data. The method includes, selectively returning the encrypted output data to the first requestor via the API in response to the first query.