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A library that provides cryptographic and general-purpose routines for Secure Systems Lab projects at NYU

Project description

securesystemslib

CI Documentation Status

Securesystemslib is a cryptography interface for signing and verifying digital signatures. It is developed for the TUF and in-toto projects: the key and signature containers are compatible with metadata formats from those projects.

Under the hood, Securesystemslib can use various digital signing systems (e.g. cryptography, PIV hardware keys and multiple cloud-based key management systems).

Installation

The default installation supports pure-Python ed25519 signature verification only. To enable other schemes and signature creation, securesystemslib can be installed with extras. See pyproject.toml for available optional dependencies.

# Install with ed25519, RSA, ECDSA sign and verify support
pip install securesystemslib[crypto]
# ...or with HSM (e.g. Yubikey) support
pip install securesystemslib[hsm]

Usage

python-securesystemslib.readthedocs.io

Contact

Testing

tox is used for testing. It can be installed via pip and executed from the command line in the root of the repository.

tox

Legacy key migration

Use migrate_keys script to convert key pairs generated with legacy keys or interface modules to a consistent standard format, which is compatible with CryptoSigner.

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