cbucht200/libcertifier

With small, space optimized, 90KB libCertifier(), IoT devices (cameras, toasters, sensors ….) can now request and receive unique, compact (650 bytes) digital certificates (x509 v3 compliant).

libCertifier() -

• Utility for Linux class IoT devices to request and receive operational certificate.

  • Creates a key pair (ECC 256v1)

  • Creates CSR (signed)

  • Creates Certificate Request Token (signed with Attestation private key)

  • Request and receives certificate chain

  • stores it is pkcs12 bundle

• Written in C.

• Small binary size (less than 100 KB) that is ideal for embedded systems.

• Tested on Arm (Raspberry Pi, Android, xCam, i.MX, Ambarella, iOS), x86_64 (Ubuntu, MacOS, x86_32 (Ubuntu).

• Shared library and command-line executable.

Documentation

• Manual