PostgreSQL (Npgsql) persistence provider for Feedemy.KeyManagement. Provides PostgreSQL storage for key metadata, versions, and audit logs with migrations support. Platform-independent alternative to SQL Server.
// Sign data
var signature = await _asymmetricOps.SignAsync(
"JwtSigningKey",
data,
HashAlgorithmName.SHA256);
// Verify signature
var isValid = await _asymmetricOps.VerifyAsync(
"JwtSigningKey",
data,
signature,
HashAlgorithmName.SHA256);
// Get public key for external use
var publicKeyPem = await _asymmetricOps.GetPublicKeyPemAsync("JwtSigningKey");
Performance
Operation
Mean
Notes
RetrieveKey (cached)
< 1 μs
L1 cache hit
RetrieveKey (cache miss)
~12 ms
Database + storage
Sign (RSA-2048)
~1.2 ms
Verify (RSA-2048)
~0.15 ms
Sign (ECDSA P-256)
~0.35 ms
Verify (ECDSA P-256)
~0.12 ms
Packages
Package
Description
Feedemy.KeyManagement
Core library
Feedemy.KeyManagement.Providers.EntityFramework
SQL Server persistence
Feedemy.KeyManagement.Providers.Npgsql
PostgreSQL persistence
Feedemy.KeyManagement.Providers.Sqlite
SQLite persistence (dev/testing)
Feedemy.KeyManagement.Analyzers
Roslyn analyzers
Documentation
Detailed documentation available in docs/partial/:
README_CORE.md - API reference
README_CONFIG.md - Configuration options
README_STORAGE.md - Storage providers
README_PERSISTENCE.md - Database setup
README_CACHE.md - Caching architecture
README_INIT.md - Initialization guide
README_BACKGROUND.md - Background services
README_EXTENSIONS.md - DI setup
License
This project is dual-licensed:
MIT License - Free for all use cases including commercial
