lightecc
A Lightweight Elliptic Curve Cryptography Arithmetic Library for Python with Support for Prime and Binary Fields
Decision gist · record as of 2026-08-14
Yes, if you need a lightweight, operator-friendly elliptic curve arithmetic library and are comfortable with a young project (first release March 2025). The permissive license, low install friction, active maintenance, and absence of known vulnerabilities are positive signals. However, verify that the library meets your security and performance requirements before use in production—no evidence of formal cryptographic audit is present in the fact sheet.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low install friction; pure Python wheel with a single runtime dependency (tqdm).
- The package is actively maintained with a recent commit and permissive licensing, though it is young (first release March 2025).
License · maintenance · safety
permissive license (permissive) — MIT license (permissive) allows free use, modification, and distribution with minimal restrictions, making it suitable for both open-source and commercial projects.
last release 2026-06-09 (66 days) · last repo commit 2026-06-09 · 9 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 146,589 downloads/mo, #11,095 on PyPI
Alternatives
Verify before relying
pip install lightecc
from lightecc import LightECC
ec = LightECC(form_name="edwards", curve_name="ed25519")
G = ec.G
_2G = G + G
_20G = 20 * G- Whether the library has undergone cryptographic security audits or peer review
- Performance characteristics compared to established ECC libraries in real-world use
- Completeness of documentation and examples beyond the README excerpt
What it is and what it does
LightECC is a Python library that wraps multiple elliptic curve forms (Weierstrass, Edwards, Koblitz) and provides a unified interface for performing arithmetic on elliptic curve points using standard Python operators. Instead of manually implementing curve-specific formulas, you instantiate a LightECC object with a form and curve name, retrieve the base point, and perform addition, subtraction, multiplication, and division using +, -, *, and / operators.
The library supports many pre-defined curves across different security strengths, from 160-bit to 638-bit orders. Addition and subtraction run in constant time; multiplication uses the double-and-add method for O(log n) performance; division solves the discrete logarithm problem and is computationally expensive. It depends only on tqdm and requires Python 3.5.5 or later, making it lightweight and easy to integrate.
Use it for
- Building elliptic curve cryptosystems for digital signatures or key exchange without manually implementing curve arithmetic
- Prototyping or learning elliptic curve cryptography with multiple curve forms in a single library
- Performing scalar multiplication and point operations in cryptographic protocols that use standard curves like secp256k1 or ed25519
- Experimenting with different curve orders and forms to understand their security and performance trade-offs
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need a lightweight, operator-friendly elliptic curve arithmetic library and are comfortable with a young project (first release March 2025).
The permissive license, low install friction, active maintenance, and absence of known vulnerabilities are positive signals. However, verify that the library meets your security and performance requirements before use in production—no evidence of formal cryptographic audit is present in the fact sheet.
Install
lightecc on PyPI
Before you install
Low install friction; pure Python wheel with a single runtime dependency (tqdm). The package is actively maintained with a recent commit and permissive licensing, though it is young (first release March 2025).
License in practice
MIT license (permissive) allows free use, modification, and distribution with minimal restrictions, making it suitable for both open-source and commercial projects.
Quickstart
pip install lightecc
from lightecc import LightECC
ec = LightECC(form_name="edwards", curve_name="ed25519")
G = ec.G
_2G = G + G
_20G = 20 * GVerify before relying
- Whether the library has undergone cryptographic security audits or peer review
- Performance characteristics compared to established ECC libraries in real-world use
- Completeness of documentation and examples beyond the README excerpt
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.5.5 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagetqdm |
| Maintenance | Actively maintained 66 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 146,589 / month, #11,095 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | License :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3 |
Evidence: lightecc-0.0.7-py3-none-any.whl
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