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ZYMKEY4i from Zymbit is a hardware security module that protects the Raspberry Pi and NVIDIA Jetson. This easy-to-integrate module is designed to provide multiple layers of security that protect against cyber and physical exploits. It plugs directly onto the GPIO header of your SBC, making it quick and easy to install by non-security experts. Software APIs are available in Python, C and C++, with Ubuntu and Raspberry Pi OS support.
Private / public key pairs | 3 |
Cryptographic Services | TRNG (NIST SP800-22)
ECC NIST P-256 (secp256r1) ECDSA (FIPS186-3) AES-256 (FIPS 197) |
Tamper Sensors | 2 x Perimeter breach detection circuits
Accelerometer shock & orientation sensor Main power monitor |
Software API | Python, C++, C |
Physical Format | Plug in mini-hat (pins 1 – 10) |
Dimensions | 39.0 x 15.0 x 5.1 mm
1.53 x 0.59 x 0.20 Inches |
Connectors | GPIO: 5x2pin header, 0.1inch
Perimeter: 5pin micro USB receptacle |
Communication | I2C, default address, user-changeable
GPIO4, user-changeable |
Production mode lock | Cut physical tab |
Measured system identity & authentication | Standard factors include RPI host, SD card, Zymkey |
Data encryption & signing applications | Encrypt root file system with dm-crypt, with LUKS key manager hook
Encrypt data blobs with “zblock” function Encrypt data in flight with OpenSSL integration |
Real-time clock | 24-36 month operation, application dependent, 5ppm accuracy. |
Backup battery | Used for RTC and perimeter circuits
Onboard coin cell, type CR1025 |
Backup battery monitor | No |
Last Gasp battery removal detection | No |
Example Cipher Suites | AWS-IOT | TLS_ECDHE_ECDSA_AES256_SHA
MS-AZURE | TLS_ECDHE_ECDSA_AES_128_GCM_SHA256_P256 |
Accessories & related products | Perimeter adapters |
Warranty | 18 months |
SKU | 2362577 |
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mpn | SM041-02-ZYMKEY4 |
brand | Zymbit |
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