[keymanager/wsd] Add /keys:destroy Go KOL handler with KEM + binding key destruction#651
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[keymanager/wsd] Add /keys:destroy Go KOL handler with KEM + binding key destruction#651atulpatildbz wants to merge 1 commit intogoogle:mainfrom
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atulpatildbz
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Feb 26, 2026
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| // NewServer creates a new WSD server with the given dependencies. | ||
| func NewServer(bindingGen BindingKeyGenerator, kemGen KEMKeyGenerator) *Server { | ||
| func NewServer(bindingGen BindingKeyGenerator, kemGen KEMKeyGenerator, kemKeyDestroyer KEMKeyDestroyer, bindingKeyDestroyer BindingKeyDestroyer) *Server { |
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this will need change after #678 is merged.
May have to rebase over that
…struction
Implement the Go KOL handler for POST /keys:destroy that orchestrates
the full key destruction flow:
1. Workload sends {kemKeyHandle} to WSD
2. WSD looks up binding UUID from KEM-to-binding map
3. WSD calls KPS DestroyKEMKey to destroy the KEM key
4. WSD calls WSD KCC DestroyBindingKey to destroy the binding key
5. WSD removes the KEM→Binding mapping
6. Returns 204 No Content
Changes:
- C headers: add key_manager_destroy_kem_key (KPS) and
key_manager_destroy_binding_key (WSD) declarations
- CGO bridges: add DestroyKEMKey and DestroyBindingKey Go wrappers
- KPS service: extend with DestroyKEMKey method and KEMKeyDestroyer
interface
- WSD server: add KEMKeyDestroyer/BindingKeyDestroyer interfaces,
DestroyRequest type, handleDestroy handler, /keys:destroy route
- Tests: 7 new destroy handler tests + 2 new KPS service tests
Remove DecapAndSeal and Open from KPS and WSD
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Implements the Go orchestration layer (KOL) for
POST /v1/keys:destroy, the key destruction endpoint that allows workloads to explicitly destroy a key pair.Flow:
{key_handle: {handle: ...}}to WSDDestroyKEMKey— destroys the KEM key from the registryDestroyBindingKey— destroys the binding key from the registry204 No ContentChanges:
key_manager_destroy_kem_key(KPS) andkey_manager_destroy_binding_key(WSD) declarationsDestroyKEMKey()andDestroyBindingKey()Go wrappers for the Rust FFI functionsServicewithDestroyKEMKeymethod andKEMKeyDestroyerinterfaceKEMKeyDestroyer/BindingKeyDestroyerinterfaces,DestroyRequesttype,handleDestroyhandler,/v1/keys:destroyroute registrationTestIntegrationDestroyKeyDependencies
This PR is built on top of:
key_manager_destroy_ffi) — Rust FFI changes (Base commit:d1d6bad)wsd_generate_key_go) — Included via merge (Commit:d7f52c6)What to review
Please review the following commits:
d1d6bad—feat(keymanager): Add manual FFI headers for destroy(C headers for destroy)60466aa—[keymanager/wsd] Add /keys:destroy endpoint with KEM + binding key destruction(Go implementation)All other commits are from dependencies (PRs #647, #652) that are not yet merged to main but required for this build.
Verification
Automated Tests
go test ./keymanager/workload_service/...(Passed)go test -tags=integration ./keymanager/workload_service/...(Passed)Manual Verification (Curl)
Manually verified the destruction workflow locally:
POST /v1/keys:generate_kem-> Returns Handle.POST /v1/keys:destroy-> Returns 204.POST /v1/keys:destroy-> Returns 404 (Key mapping removed).