A computer implemented method is disclosed for obfuscating an algorithm. The computer-
implemented method includes (1) receiving ciphertext input data, and (2) executing …

In aspects of string matching in encrypted data, a computing device stores homomorphic
encrypted data as a dataset, and implements a string matching application that receives an …

The techniques and/or systems described herein are directed to improvements in
homomorphic encryption to improve processing speed and storage requirements. For …

In aspects of variable relinearization in homomorphic encryption, a computing device stores
homomorphic encrypted data as a dataset, and implements an encryption application that …

In aspects of high-precision rational number arithmetic in homomorphic encryption, a
computing device stores homomorphic encrypted data as a dataset, and implements an …

Multiple data sources encrypt data using encryption key data received from a first system; a
second system does not have access to the encryption key data. The second system …

In aspects of multiplication operations on homomorphic encrypted data, a computing device
stores homomorphic encrypted data as a dataset, and implements an encryption application …

(57) ABSTRACT A method for conducting an operation including (a) lifting coefficients of a
data structure from a representation modulo q to a representation modulo q', wherein the …

An encryption method of a terminal device includes: setting a scaling factor; and reflecting
the scaling factor in a message to be encrypted, and performing encryption using a public …

A computer implemented method is disclosed for obfuscat ing an algorithm. The computer-
implemented method includes (1) receiving ciphertext input data, and (2) execut ing …