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. 2019 Aug 31;21(8):e13592. doi: 10.2196/13592

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©Ray Hales Hylock, Xiaoming Zeng. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 31.08.2019.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Server processing time in milliseconds per record added given an existing record set. ADFN: AES-encrypted data, dynamic keys, full block storage, no server-side encryption; ADFY: AES-encrypted data, dynamic keys, full block storage, server-side encryption; ADIN: AES-encrypted data, dynamic keys, incremental storage, no server-side encryption; ADIY: AES-encrypted data, dynamic keys, incremental storage, server-side encryption; AES: Advanced Encryption Standard; ASFN: AES-encrypted data, static keys, full block storage, no server-side encryption; ASFY: AES-encrypted data, static keys, full block storage, server-side encryption; ASIN: AES-encrypted data, static keys, incremental storage, no server-side encryption; ASIY: AES-encrypted data, static keys, incremental storage, server-side encryption; PDFN: PRE-encrypted data, dynamic keys, full block storage, no server-side encryption; PDFY: PRE-encrypted data, dynamic keys, full block storage, server-side encryption; PDIN: PRE-encrypted data, dynamic keys, incremental storage, no server-side encryption; PDIY: PRE-encrypted data, dynamic keys, incremental storage, server-side encryption; PRE: proxy re-encryption; PSFN: PRE-encrypted data, static keys, full block storage, no server-side encryption; PSFY: PRE-encrypted data, static keys, full block storage, server-side encryption; PSIN: PRE-encrypted data, static keys, incremental storage, no server-side encryption; PSIY: PRE-encrypted data, static keys, incremental storage, server-side encryption.