Cryptography Research

Cryptography Research, Inc. is a San Francisco based cryptography company specializing in applied cryptographic engineering, including technologies for building tamper-resistant semiconductors. It was purchased on June 6, 2011 by Rambus for $342.5M. The company licenses patents for protecting cryptographic devices against power analysis attacks. The company's CryptoFirewall-brand ASIC cores are used in pay TV conditional access systems and anti-counterfeiting applications. CRI also developed BD+, a security component in the Blu-ray disc format, and played a role in the format war between HD DVD and Blu-ray. The company's services group assists with security testing, disaster recovery, and training.

This article is about the American company established in 1995. For a discussion on general research into cryptography, see history of cryptography.
Cryptography Research, Inc.
Company typePrivate subsidiary
Founded1995 (1995)
HeadquartersSan Francisco, California
Key people
Paul Kocher, President and Chief Scientist
ProductsTechnology licensing, secure semiconductors
Revenue$10M–$100M
Number of employees
25–100
ParentRambus
Websiterambus.com/security

Cryptography Research protects its core operations from outside attack by maintaining a secured local network that is not connected to the Internet at all. Employees who need to work with sensitive data have two computers on their desks — one to access the secure network, and a separate computer to access the Internet.

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