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NetDevPack/Security.Jwt ★ 297 48 APPLICATION

This repository is a .NET library for JWT (JSON Web Token) key management that provides automatic generation and rotation of cryptographic keys for JWT signing (JWS) and encryption (JWE). It features a modular architecture with a core library handling key generation/storage, multiple storage providers (in-memory, file system, Entity Framework Core), and framework-specific integrations for ASP.NET Core and IdentityServer4. The library exposes a JWKS endpoint for sharing public keys and integrates with ASP.NET Core authentication systems to validate tokens using the managed keys. Key entry points include the AddJwksManager() service registration method, UseJwksDiscovery() middleware for the JWKS endpoint, and the IJwtService interface for token generation and validation. The primary data flow involves generating cryptographic keys, storing them via pluggable storage providers, retrieving current keys for token operations, and exposing public keys through the JWKS endpoint. The library depends on System.IdentityModel.Tokens.Jwt for JWT handling, Microsoft.AspNetCore.DataProtection for key protection in the default storage implementation, and various Microsoft.Extensions packages for caching, options, and logging.

RATING: 8.6/10 MAINT: active DRIFT: low
#jwt #jwks #key-rotation #cryptography #aspnet-core #security #authentication #ecdsa #jwt-authentication #jwt-token #rsa #jwe #jws
▸ 1 reusable components found
tlsfuzzer/python-ecdsa ★ 973 343 APPLICATION

This repository is a pure Python library implementing elliptic curve cryptography algorithms, specifically ECDSA (Elliptic Curve Digital Signature Algorithm), ECDH (Elliptic Curve Diffie-Hellman), and EdDSA (Edwards-curve Digital Signature Algorithm). It provides key generation, signing, verification, and shared secret derivation functionalities across multiple curve types including NIST prime curves, Brainpool curves, and twisted Edwards curves (Ed25519/Ed448). The library is structured as a modular package with clear separation of concerns: high-level API in `keys.py`, low-level arithmetic in `ellipticcurve.py`, curve definitions in `curves.py`, ASN.1 DER handling in `der.py`, and utility functions for encoding/decoding in `util.py`. While the code is well-structured and includes comprehensive test suites, the project explicitly states it is not designed for production security due to vulnerability to side-channel attacks, recommending wrappers like `pyca/cryptography` for sensitive applications.

RATING: 7.9/10 MAINT: active DRIFT: medium
#ecdsa #elliptic-curve-cryptography #digital-signatures #key-exchange #python-library #crypto-primitives #python #elliptic-curves #cryptography #ecdh
▸ 2 reusable components found
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