Ringcipher

RingCipher focuses on creating fully homomorphic encryption prototypes.

Computer and Network Security

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Headquarters: San Francisco, California, United StatesSource: RevenueBaseRetrieved October 13, 2026
Employee range: 1 to 10Source: RevenueBaseRetrieved October 13, 2026
Published list appearances: 2 supported appearances ↗Source: RevenueBase lists

The company at a glance

What does Ringcipher do?

The prototypes used a Ring-Learning with Errors BGV variant. The work used Halevi and Shoup's HElib and Shoup’s Number Theory library.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

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Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

#16OF 16

United States

Homomorphic encryption companies

Snapshot: September 18, 2026

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#19OF 19

United States

Partial homomorphic encryption companies

Snapshot: September 19, 2026

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Positions describe ordering within each source list. See how lists are built ↗

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Ringcipher

#16 Homomorphic encryption companies

Snapshot: September 18, 2026

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Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 18, 2026 and September 19, 2026. How the company lists are built.

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