The Rambus RT-630 Root of Trust (formerly the CryptoManager RT-630) is a fully programmable FIPS 140-2 compliant hardware security core offering security-by-design for cloud, AI/ML as well as general purpose semiconductor applications. It protects against a wide range of hardware and software attacks through state-of-the-art anti-tamper and security techniques.
As cloud and AI/ML applications evolve, device and system architects face a growing array of security threats. Across applications, one constant is the need for a hardware root of trust-based security implementation. The Rambus RT-630 is the ideal security core for these markets. It employs a custom 32-bit RISC-V siloed and layered secure co-processor, along with dedicated secure memories. The RT-630 also features a number of high-capability cryptographic accelerators such as AES (all modes), HMAC, SHA-2/-3 (all modes), RSA up to 8192 bits, ECC up to 521 bits, and a NIST-compliant Random Bit Generator. Additional algorithms such as SHA-3, Poly1305 & ChaCha and OSCCA SM2-3-4 are available as optional HW crypto accelerators. Satisfying use cases such as identity management, attestation, and secure boot, the RT-630 is ideally suited for cloud and AI/ML applications where FIPS 140-2 and 140-3 compliance is required and security is a priority.
The Root of Trust is an independent hardware security co-processor design for integration into semiconductor devices, offering secure execution of user applications, tamper detection and protection, and secure storage and handling of keys and security assets. The Root of Trust offers chipmakers a siloed approach to security; while located on the same silicon as the main processor, the secure processing core is physically separated. A layered security approach enforces access to crypto modules, memory ranges, I/O pins, and other resources, and assures critical keys are available through hardware only with no access by software. The Rambus Root of Trust supports all common main processor architectures, including ARM, RISC-V, x86 and others.
The Rambus Root of Trust supports multi-tenant deployments by offering true multiple root of trust capabilities. Each individual secure application can be assigned its own unique keys, meaning permissions and access levels are set completely independent of others. Secure applications are siloed from each other, ensuring the best approach to security. OEMs can determine access levels and permissions for each and all processes operating within the secure processor.
The RT-630 is available in a FPGA configuration, targeting to be synthesized in programmable logic. This configuration is designed to map optimally (for max utilization and max frequency) into an FPGA fabric and connect either to on-board or external CPUs. In addition, the design is expanded with an additional OTP emulation model to overcome the lack of (or limitation of) true nonvolatile one-time programmable memory in certain FPGA families. This module allows storing secure assets in external flash in a secure way.
Included with the RT-630 Hardware Root of Trust are a series of standard secure applications (“containers”) to speed development, including secure boot, identity management, HSM reference, and others. A container development kit (CSDK) is also included to allow the development of custom containers for specific use cases.
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