Trusted platform module has up to 110Kbytes storage for sensitive data
The Trusted Computing Group’s latest TPM 2.0 specification adds extra features over and above the earlier TPM 1.2, including cryptographic algorithms and support for user hierarchies. The first of ST’s new STSAFE-TPM devices, the ST33TPHF2ESPI, supports both specifications and can switch easily between the two, allowing OEMs to provide TPM 1.2 or TPM 2.0 capability on the latest device technology. The second device is the ST33TPHF20SPI, which supports TPM 2.0 and has the largest non-volatile memory in the market to provide up to 110Kbytes storage for sensitive data.
The STSAFE-TPM modules leverage ST’s expertise with the secure ARM SecurCore SC300 processor, which has anti-tamper, data-watching, and memory-protection features. Both devices are Common Criteria (CC) and Trusted Computing Group (TCG) certified against the applicable TPM 1.2 and 2.0 protection profiles and US Federal Information Processing Standard (FIPS) 140-2 certifications are in progress. The new modules come with RSA and ECC Endorsement Keys (EKs) needed to support authentication and associated key certificates are provided, signed by the independent certification authority Globalsign Ltd to guarantee authenticity. The ST33HTPH2ESPI and ST33HTPH20SPI are available in either a TSSOP28 or QFN32 package. Both devices are in production now.
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