This page [1] provides some more information and links to PDFs of several other related documents, including "Apple PSI System — Security Protocol and Analysis

This page [1] provides some more information and links to PDFs of several other related documents, including "Apple PSI System — Security Protocol and Analysis" [2] (which has lots more technical details) and some Technical Assesments. [1]: https://www.apple.com/child-safety/ https://www.apple.com/child-safety/ [2]: https://www.apple.com/child-safety/pdf/Apple_PSI_System_Security_Protocol_and_Analysis.pdf https://www.apple.com/child-safety/pdf/Apple_PSI_System_Secu...