Suspend a cryptographic key

Temporarily suspends a key for security incident investigation.

Unlike revocation, suspension is reversible: the key can be reactivated
once the investigation is cleared (POST .../reactivate), or permanently
revoked if compromise is confirmed (POST .../revoke).

During suspension: encrypt/sign operations are DENIED; decrypt/verify remain ALLOWED.

Valid source states: ACTIVE, PENDING_ROTATION.
State transition: ACTIVE|PENDING_ROTATION → SUSPENDED.

Authorization: requires scope admin.keys.suspend.

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Path Params
uuid
required
string
required
Query Params
string
Body Params

Request to temporarily suspend a key for incident investigation

string
required
length between 1 and 1000

Human-readable reason for suspension (mandatory for audit trail)

Responses
204

Key suspended successfully (no content).

406

Not Acceptable — the request Accept header excludes every representation this endpoint produces. Per RFC 9110 §15.5.7 the response carries NO body and NO Content-Type.

Language
Credentials
Bearer
JWT
URL
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Response
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