Cryptography Research
Cryptography Research's Overview
Cryptography Research, Inc. (CRI), founded in 1995 by renowned cryptographer Paul Kocher, was a pioneering company specializing in semiconductor security, intellectual property (IP) licensing, and countermeasures against side-channel attacks like Differential Power Analysis (DPA). Known for its deep expertise in applied cryptography, CRI developed critical security technologies used in smart cards, FPGAs, SoCs, content protection, and anti-tamper hardware. In 2011, Cryptography Research was acquired by Rambus, where its technologies and team continue to contribute to advanced security solutions for a wide range of digital applications and devices. Prior to its acquisition, the company was primarily based in San Francisco, California.
Where is Cryptography Research's Headquarters?
HQ Function
Served as the central hub for research, development, engineering, IP licensing, and business operations for its advanced cryptographic solutions and DPA countermeasures.
Notable Features:
Located in a prominent downtown San Francisco office building, it provided a collaborative environment for its team of leading cryptographers and engineers, geared towards intensive research and innovation in digital security.
Work Culture:
Characterized by a strong focus on deep technical expertise, innovation, and a research-driven approach to solving complex security challenges. It fostered a culture of intellectual curiosity, rigorous analysis, and impactful problem-solving.
HQ Significance:
The San Francisco HQ was the birthplace of significant advancements in commercial cryptography, particularly in the development and licensing of countermeasures against side-channel attacks like DPA, establishing CRI as a global leader in security IP.
Values Reflected in HQ: The headquarters embodied CRI's commitment to cutting-edge research, robust security engineering, intellectual property development, and the mission of protecting digital assets and information worldwide.
Location:
As an independent entity, Cryptography Research was primarily US-based, with its IP licensed globally. Following its acquisition by Rambus, the technologies and expertise originating from CRI are integrated into Rambus's global operations and product offerings, serving an international client base across semiconductor, electronics, and digital security markets.
Street Address:
One Kearny Street
City:
San Francisco
State/Province:
CA
Country:
USA
Cryptography Research's Global Presence
Buying Intent Signals for Cryptography Research
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Executive Team of Cryptography Research
As of April 2025, Cryptography Research' leadership includes:
Investors of Cryptography Research
Cryptography Research has been backed by several prominent investors over the years, including:
Executive New Hires/Exits in the Last 12 Months
Cryptography Research, Inc. was acquired by Rambus in 2011 and no longer operates as an independent entity. Therefore, there are no executive hires or exits specifically for Cryptography Research, Inc. in the last 12 months. Key personnel were integrated into Rambus or pursued other ventures post-acquisition.
Technology (Tech Stack) used by Cryptography Research
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Cryptography Research Email Formats and Examples
Specific email formats for the original Cryptography Research, Inc. are not publicly available post-acquisition. Correspondence related to its technologies, now part of Rambus, would typically follow the email format of Rambus.
[first_initial][last]@rambus.com or [first].[last]@rambus.com
Format
jdoe@rambus.com or jane.doe@rambus.com
Example
85%
Success rate
News and media
Reuters • May 6, 2011
Rambus to buy Cryptography Research for $342.5 million
Rambus Inc said it would buy privately held Cryptography Research Inc for $342.5 million in cash and stock to add security features to its semiconductor designs. The deal included $150 million in cash, $92.5 million in Rambus common stock, and $100 million in cash to be paid out over three years....more
Rambus Press Release (via Business Wire) • June 7, 2011
Rambus Completes Acquisition of Cryptography Research
Rambus Inc. today announced it has completed its acquisition of Cryptography Research, Inc. (CRI), a leading semiconductor security R&D and licensing company. This acquisition significantly broadens Rambus’ security offerings, accelerates its roadmap for security products, and deepens its patent portfolio....more
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