Google Inc.

Whatsapp Inc.

Ananth Raghunathan

Gang Wang

Sarvar M Patel

Payman Mohassel

Marcel M M Yung

Mariana Raykova

Benjamin Kreuter

Karn Seth

Shuangying Huang

Sundararaman Jeyaraman

Xian Xu

Yen-Chieh Sung

Subodh Iyengar

Chen-Kuei Lee

Zutian Luo

Shaahid Shaik

Liuqing Albert Zhang

A system and method comprising collecting analytics data or other types of analytics-related information from client devices in an anonymous and authenticated manner. A client device may use or provide a token or token-relation information, which may have been obtained from system servers beforehand, with a request to log the analytics data to the system servers in order to authenticate the analytics data being logged. The system servers may then authenticate the token or the token-related information, and in response to successful authentication, process the analytics data. Advantageously, the use of the token or token-related information allows the analytics data to be logged by client devices anonymously to preserve privacy, but also in a highly secure manner.

Authenticating anonymous information

A method including at each of a number of client devices receiving a data item, receiving a public key from a second computing system, encrypting the data item using the public key to produce a singly encrypted data item, engaging in an oblivious pseudorandom function protocol with a first computing system using the singly encrypted data item to produce a seed, generating an encrypted secret share using a threshold secret sharing function under which the encrypted secret share cannot be decrypted until a threshold number of encrypted secret shares associated with the same singly encrypted data item are received, and transmitting the encrypted secret share to the first computing system and at the first computing system receiving a number of encrypted secret shares from the number of client devices, processing the number of encrypted secret shares to produce processed data, and transmitting the processed data to a second computing system.

Methods for protecting privacy

Growing community of inventors

Mountain View, CA, United States of America

Ananth Raghunathan