ecdsa (https://pypi.org/project/ecdsa/) is a popular pure-Python ECDSA cryptographic signature library. It's not currently packaged in Wolfi for any Python version.

Proposing to add it as py3-ecdsa following the multi-Python-version subpackage pattern used by other pure-Python packages such as py3-roman and py3-jinja2.

• Upstream: https://github.com/tlsfuzzer/python-ecdsa
• License: MIT (OSI-approved)
• Latest stable: 0.19.2
• Runtime dep: py3-six