Zero Heartbeat - DEV Community

Zero Heartbeat

Oct 16

Obfuscating code that uses dynamic: the runtime binder looks members up by name, so a renamed property is a RuntimeBinderException

#nebulanet #obfuscation #dotnet #deepdive

9 min read

Zero Heartbeat

Oct 16

Site licenses: binding one Keyright key to the customer''s domain instead of a machine, and what that binding can and cannot prove

#keyright #licensing #dotnet #deepdive

10 min read

Zero Heartbeat

Oct 16

Decompiling nullable value types: int? is a struct, a lifted operator is a HasValue check, and the box that erases Nullable<T>

#glassnet #decompilation #dotnet #deepdive

9 min read

Zero Heartbeat

Oct 16

Obfuscating a type you serialize with System.Text.Json: [JsonPropertyName] is the contract, the renamed property is not

#nebulanet #obfuscation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 16

What HTTP status does a failed license check deserve? 402, 403, Problem Details, and a header the client can read

#keyright #licensing #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 16

Decompiling a decimal constant: why 3.14m is not an IL constant, and the [DecimalConstant] attribute that rebuilds it

#glassnet #decompilation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 16

Obfuscating a COM-visible .NET assembly: the GUID is the contract, the DispId is the contract, and the class name is the ProgID unless you pin it

#nebulanet #obfuscation #dotnet #deepdive

9 min read

Zero Heartbeat

Oct 16

Obfuscating an app that registers itself by convention: assembly-scanning DI binds on type names, so renaming unregisters your services

#nebulanet #obfuscation #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 16

Logging a license check: structured events an operator can read, and never the key itself

#keyright #licensing #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 16

License state as a health check: mapping a Keyright license onto Healthy, Degraded and Unhealthy without restart loops

#keyright #licensing #dotnet #deepdive

9 min read

Zero Heartbeat

Oct 16

Decompiling an array initializer: the values live in a data blob and RuntimeHelpers.InitializeArray is the only clue

#glassnet #decompilation #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 15

Obfuscating a PowerShell binary module: the cmdlet name lives in an attribute, but the parameter names are your property names

#nebulanet #obfuscation #dotnet #deepdive

9 min read

Zero Heartbeat

Oct 15

One license key, three products: the product claim, suite bundles as entitlements, and the gate that lets a Lite key unlock Pro

#keyright #licensing #dotnet #deepdive

9 min read

Zero Heartbeat

Oct 15

Decompiling volatile: the modreq on the field, the prefix on every access, and the Volatile.Read call that looks the same but is not

#glassnet #decompilation #dotnet #deepdive

9 min read

Zero Heartbeat

Oct 15

Obfuscating a Roslyn source generator: why the generator renames freely but the attribute and the public constructor are pinned

#nebulanet #obfuscation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 15

Clock skew in license verification: why a brand-new key fails on a slow laptop, and the leeway your verify needs

#keyright #licensing #dotnet #deepdive

6 min read

Zero Heartbeat

Oct 15

Decompiling default interface methods: a method body inside an interface, the class that never overrode it, and the cast you cannot drop

#glassnet #decompilation #dotnet #deepdive

6 min read

Zero Heartbeat

Oct 15

Obfuscating an F# assembly: discriminated unions, the [CompilationMapping] attribute, and what FSharp.Core reflects on

#nebulanet #obfuscation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 15

Renewal nudges that don''t nag: driving "expires in N days" from LicenseKind, not a date in your code

#keyright #licensing #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 15

Decompiling exception filters: the catch (e) when (...) that becomes a filter region and the endfilter that runs it

#glassnet #decompilation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 15

Obfuscating readonly structs, in parameters, and ref returns: the modreqs and compiler attributes Nebula must not strip

#nebulanet #obfuscation #dotnet #deepdive

9 min read

Zero Heartbeat

Oct 15

Verifying a Keyright license on Native AOT: no reflection, a trimmed verify path, and the public key as a ReadOnlySpan<byte>

#keyright #licensing #dotnet #deepdive

10 min read

Zero Heartbeat

Oct 15

Decompiling optional and named arguments: default values in the Constant table and the temporaries the compiler emits for reordering

#glassnet #decompilation #dotnet #deepdive

10 min read

Zero Heartbeat

Oct 14

Obfuscating virtual and interface members: override chains, explicit implementations, and the MethodImpl table that ties them together

#nebulanet #obfuscation #dotnet #deepdive

10 min read

Zero Heartbeat

Oct 14

Licensing a .NET component library: the developer license, the key that compiles into your customer''s app, and what the end user never sees

#keyright #licensing #dotnet

14 min read

Zero Heartbeat

Oct 14

Decompiling fixed: pinned locals, the null-or-empty array guard, and GetPinnableReference

#glassnet #decompilation #dotnet #deepdive

12 min read

Zero Heartbeat

Oct 14

Obfuscating generics: renaming type parameters, and the constraints and reflection that pin the names down

#nebulanet #obfuscation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 14

Choosing a signature algorithm for your license keys: Ed25519, ECDSA and RSA compared

#keyright #licensing #security

10 min read

Zero Heartbeat

Oct 14

Decompiling foreach: the enumerator, the hidden try/finally, and when it is really a for loop

#glassnet #decompilation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 14

Obfuscating enums: why the names survive renaming, and how ToString() and switch leak them

#nebulanet #obfuscation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 14

Pinning your verification public key: the attacker who just swaps your key for theirs

#keyright #licensing #security

9 min read

Zero Heartbeat

Oct 14

Decompiling control flow: how Glass.NET rebuilds loops and if/else from a pile of branches

#glassnet #decompilation #dotnet #deepdive

10 min read

Zero Heartbeat

Oct 13

Renaming to collisions: how Nebula reuses one name across members, and why the CLR tells them apart by signature

#nebulanet #obfuscation #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 13

Designing a license key humans can type: base32, segment grouping, and a check digit that catches typos

#licensing #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 13

Decompiling anonymous types: the generated generic class behind new { a, b }

#glassnet #decompilation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 13

One license, four runtimes: verifying the same Keyright key from .NET, Node, Python and Java

#licensing #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 13

Obfuscating custom attributes: what the metadata keeps, what renaming breaks, and the reflection that still works

#nebulanet #obfuscation #dotnet #deepdive

6 min read

Zero Heartbeat

Oct 13

Obfuscating async/await and iterators: why the state machine survives renaming (and the one binding a naive renamer breaks)

#nebulanet #obfuscation #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 13

Verifying a license key is not free: caching the signature check without caching a stale answer

#licensing #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 13

Decompiling a?.b?.c: how the null-conditional operator becomes branches and one shared skip label

#glassnet #decompilation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 13

Decompiling a switch on strings: the hidden hash jump table the compiler builds

#glassnet #decompilation #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 13

Licensing a .NET CLI tool: headless activation, KEYRIGHT_LICENSE, and runners with no "Register" dialog

#licensing #cli #cicd #guide

8 min read

Zero Heartbeat

Oct 13

Decompiling C# events: the CompareExchange loop behind += and -=

#glassnet #decompilation #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 12

Obfuscating an assembly your tests still have to pass: InternalsVisibleTo and friend assemblies

#nebulanet #obfuscation #dotnet #testing

6 min read

Zero Heartbeat

Oct 12

A license is a capability token: Keyright entitlements as ASP.NET Core authorization policies

#licensing #entitlements #aspnetcore #guide

6 min read

Zero Heartbeat

Oct 12

Decompiling params collections: where did my array go?

#glassnet #decompilation #dotnet #deepdive

6 min read

Zero Heartbeat

Oct 12

Obfuscating a WinForms app without losing your designer resources

#nebulanet #obfuscation #dotnet #winforms

7 min read

Zero Heartbeat

Oct 12

One license, many clocks: per-entitlement expiry with Keyright

#licensing #entitlements #guide

7 min read

Zero Heartbeat

Oct 12

Decompiling the new lock: when the compiler stops calling Monitor

#decompilation #dotnet #deepdive

6 min read

Zero Heartbeat

Oct 12

Obfuscating an Avalonia app: compiled bindings, the ViewLocator convention, and what the XAML compiler already made rename-safe

#nebulanet #obfuscation #dotnet #deepdive

11 min read

Zero Heartbeat

Oct 12

Deactivating a license and moving it to a new machine: receipts, offline proofs, and transfer limits

#keyright #licensing #deepdive

11 min read

Zero Heartbeat

Oct 12

Decompiling operator overloads: op_ names, checked operators, and the conversions that only compile as operators

#glassnet #decompilation #dotnet #deepdive

1

10 min read

Zero Heartbeat

Oct 12

Obfuscating a plugin host without breaking the plugin contract

#nebulanet #obfuscation #dotnet #deepdive

1

9 min read

Zero Heartbeat

Oct 12

When a VM gets cloned: detecting duplicate activations in node-locked licensing

#keyright #licensing #deepdive

9 min read

Zero Heartbeat

Oct 12

Decompiling ref fields and scoped: how C# 11 ref structs look in IL

#glassnet #decompilation #dotnet #deepdive

8 min read

Zero Heartbeat

Oct 11

Obfuscating a gRPC service without breaking the contract on the wire

#nebulanet #obfuscation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 11

Turning on license enforcement without locking out your customers: audit mode first

#licensing #dotnet #guide

9 min read

Zero Heartbeat

Oct 11

Decompiling init-only setters and required members: the modreq and attributes that make them

#glassnet #decompilation #dotnet #deepdive

7 min read

Zero Heartbeat

Oct 11

Obfuscating an ASP.NET Core app: controllers, DI, model binding, and what must stay public

#nebulanet #obfuscation #dotnet #deepdive

12 min read

Zero Heartbeat

Oct 11

Versioning your license payload: adding claims without breaking the clients already in the field

#licensing #dotnet #guide

12 min read

Writing Debut