Long-term evolution TPM 2.0 device with an I2C interface

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  • They embed an Arm® SecurCore® SC300™ processor with additional security features to help protect against advanced forms of attack.

    The ST33TPHF2XI2C offers an I²C interface compliant with the TCG PC Client TPM Profile specifications.
    It offers resilience services during the TPM firmware upgrade process, and self-recovery of TPM firmware and critical data upon failure detection.
    The ST33TPHF2XI2C operates in the –25 to +85 °C commercial temperature range at 1.8 V, or in the –40 °C to 105 °C extended temperature range at 3.3 V.
    The device is offered in TSSOP28 and VFQFPN32 ECOPACK2 packages. ECOPACK is an ST trademark.


    • TPM features
      • Flash-memory-based Trusted Platform Module (TPM)
      • For TPM 2.0, compliant with Trusted Computing Group (TCG) Trusted Platform Module (TPM) Library specifications 2.0, Level 0, Revision 138 and TCG PC Client Specific TPM Platform Specifications 1.03
      • Fault-tolerant firmware loader that keeps the TPM fully functional when the loading process is interrupted (self-recovery)
      • SP800-193 compliant for protection, detection and recovery requirements
      • Targeted certifications:
        • CC according to TPM 2.0 PP at EAL4+ (with AVA_VAN.5), resistant to high potential attacks
        • FIPS 140-2 level 2 (physical security level 3)
        • TCG certification
      • I²C support at up to 400 kHz
      • Supports up to 4 GPIOs mapped on NV storage indices
    • Hardware features
      • Arm® SecurCore® SC300™ 32-bit RISC core
      • Highly reliable Flash memory technology
      • Extended temperature range: −40 °C to 105 °C
      • ESD (electrostatic discharge) protection up to 4 kV (HBM)
      • 1.8 V or 3.3 V supply voltage range
    • Security features
      • Active shield and environmental sensors
      • Monitoring of environmental parameters (power)
      • Hardware and software protection against fault injection
      • FIPS compliant RNG built on an SP800-90A compliant SHA256 DRBG and an AIS-31 Class PTG2 compliant true random number generator (TRNG)
      • Cryptographic algorithms:
        • RSA key generation (1024 or 2048 bits)
        • RSA signature (RSASSA-PSS, RSASSAPKCS1v1_5)
        • RSA encryption (RSAES-OAEP, RSAESPKCS1-v1_5)
        • SHA-1, SHA-2 (256 and 384 bits), SHA-3 (256 and 384 bits)
        • HMAC SHA-1, SHA-2 and SHA-3
        • AES-128, 192 and 256 bits
        • TDES-192 bits
        • ECC (NIST P-256, P-384 curves): key generation, ECDH and ECDSA, EC-Schnorr
        • ECDAA (BN-256 curve)
      • Device provided with 3 EK and EK certificates (RSA2048, ECC NIST P_256 and ECC NIST P_384)
      • Device provisioned with 3 RSA key pairs to reduce the TPM provisioning time
    • Product compliance
      • TPM 2.0 compliant with Microsoft Windows Internet of things (IoT) core
      • Compliant with TCG test suite for TPM 2.0


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STMicroelectronics - ST33TPHF2XI2C

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