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Revoke

Specification¶

This operation requests the server to revoke a Managed Cryptographic Object or an Opaque Object.

The request contains a reason for the revocation (e.g., “key compromise”, “cessation of operation”, etc.).

The operation has one of two effects. If the revocation reason is “key compromise” or “CA compromise”, then the object is placed into the “compromised” state; the Date is set to the current date and time; and the Compromise Occurrence Date is set to the value (if provided) in the Revoke request and if a value is not provided in the Revoke request then Compromise Occurrence Date SHOULD be set to the Initial Date for the object. If the revocation reason is neither “key compromise” nor “CA compromise”, the object is placed into the “deactivated” state, and the Deactivation Date is set to the current date and time.

Implementation¶

The state of the object is kept as specified but the revocation reason is currently not maintained. Once an Object is revoked, it can only be retrieved using the Export operation. The Get operation will return an error.

A Revoked object can be destroyed using the Destroy operation.

Example - Symmetric key¶

Revoking key f54f14a3-5639-4054-8c23-54af891669db with reason key was compromised.

Corresponding Cosmian CLI command:

  cosmian kms sym keys revoke -k f54f14a3-5639-4054-8c23-54af891669db "key was compromised"

RequestResponse

    {
      "tag": "Revoke",
      "type": "Structure",
      "value": [
        {
          "tag": "UniqueIdentifier",
          "type": "TextString",
          "value": "f54f14a3-5639-4054-8c23-54af891669db"
        },
        {
          "tag": "RevocationReason",
          "type": "TextString",
          "value": "key was compromised"
        }
      ]
    }

    {
      "tag": "RevokeResponse",
      "type": "Structure",
      "value": [
        {
          "tag": "UniqueIdentifier",
          "type": "TextString",
          "value": "f54f14a3-5639-4054-8c23-54af891669db"
        }
      ]
    }