micro-ecc
A small, fast ECDH and ECDSA implementation in C for 8-bit, 32-bit, and 64-bit embedded processors.
What is micro-ecc?
micro-ecc is a compact, high-performance cryptographic library implementing Elliptic Curve Diffie-Hellman (ECDH) and Elliptic Curve Digital Signature Algorithm (ECDSA). It solves the need for secure key exchange and digital signatures on resource-constrained devices like microcontrollers and embedded systems, where traditional crypto libraries are too large or slow.
Embedded systems developers, IoT engineers, and firmware programmers working on AVR, ARM, or other low-power processors requiring cryptographic functionality.
Developers choose micro-ecc for its minimal code size, side-channel attack resistance, and support for multiple processor architectures—offering a reliable, portable alternative to heavier crypto libraries in constrained environments.
Overview
ECDH and ECDSA for 8-bit, 32-bit, and 64-bit processors.
Use Cases
Best For
- Securing communication on 8-bit microcontrollers like AVR
- Implementing ECDH key exchange in IoT devices
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