DKNet

Services

Services are DKNet’s pluggable, provider-agnostic adapters: application code depends on a small interface (IBlobService, IPdfGenerator, ITransformerService, the various encryption/hashing interfaces), and a concrete package supplies the implementation. Swapping an implementation — a different blob provider, a different encryption algorithm — is a DI change, not a rewrite of business logic. See Onion Architecture for how this keeps infrastructure out of the domain and application layers.

Blob storage

One abstraction, three providers — depend on IBlobService from Abstractions and register whichever provider package matches your storage backend.

• DKNet.Svc.BlobStorage.Abstractions — the IBlobService contract, shared models, and validation options every provider implements.
• DKNet.Svc.BlobStorage.AwsS3 — AWS S3 and S3-compatible services (MinIO, Cloudflare R2).
• DKNet.Svc.BlobStorage.AzureStorage — Azure Blob Storage, including managed-identity auth.
• DKNet.Svc.BlobStorage.Local — local filesystem, for dev/test/single-instance deployments.

Cryptography

• DKNet.Svc.Encryption — AES-GCM/RSA encryption, HMAC/SHA hashing, Base64 helpers, called explicitly from your own code. (Not the same package as DKNet.EfCore.Encryption, which encrypts EF Core columns transparently — the page explains which one to reach for.)

Documents and data

• DKNet.Svc.PdfGenerators — Markdown/HTML → PDF via headless Chromium, with paper format, orientation, scale, margins, and header/footer templates. Theme, table-of-contents, and module options exist on the options type but are not wired into the current pipeline — the package page marks which apply.
• DKNet.Svc.Transformation — template-token substitution against a plain object or dictionary, independent of any templating engine.

Picking a package

Need	Package
Store/retrieve files without coupling to a specific cloud	BlobStorage.Abstractions + one provider
Encrypt/hash a value at the point you call it	Svc.Encryption
Encrypt an EF Core column transparently	EfCore.Encryption (not covered here)
Turn Markdown/HTML into a PDF	Svc.PdfGenerators
Fill a text template from an object	Svc.Transformation

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