Cloud Key Management Service (KMS) Configuration Options
This library uses the same mechanism (google::cloud::Options) and the commonoptionsas all other C++ client libraries for its configuration. Some*Optionclasses, which are only used in this library, are documented in this page.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThe latest release candidate version for the C++ Cloud KMS library is 2.37.0-rc, with many previous versions also available, ranging from 2.36.0 down to 2.10.1.\u003c/p\u003e\n"],["\u003cp\u003eThis library uses the \u003ccode\u003egoogle::cloud::Options\u003c/code\u003e mechanism and common options for its configuration, which is consistent with other C++ client libraries.\u003c/p\u003e\n"],["\u003cp\u003eThe page provides documentation for specific \u003ccode\u003e*Option\u003c/code\u003e classes unique to this library, which are used to configure the Cloud Key Management Service.\u003c/p\u003e\n"],["\u003cp\u003eIt includes classes related to retry policies, backoff policies, and connection idempotency for services like KeyDashboard, KeyTracking, Ekm, and KeyManagement.\u003c/p\u003e\n"],["\u003cp\u003eThe content includes various types of policy option lists, including \u003ccode\u003eKeyDashboardServicePolicyOptionList\u003c/code\u003e, \u003ccode\u003eKeyTrackingServicePolicyOptionList\u003c/code\u003e, \u003ccode\u003eEkmServicePolicyOptionList\u003c/code\u003e, and \u003ccode\u003eKeyManagementServicePolicyOptionList\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Cloud Key Management Service (KMS) Configuration Options (2.16.0)\n\nVersion 2.16.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/kms/latest/group__google-cloud-kms-options)\n- [2.41.0](/cpp/docs/reference/kms/2.41.0/group__google-cloud-kms-options)\n- [2.40.0](/cpp/docs/reference/kms/2.40.0/group__google-cloud-kms-options)\n- [2.39.0](/cpp/docs/reference/kms/2.39.0/group__google-cloud-kms-options)\n- [2.38.0](/cpp/docs/reference/kms/2.38.0/group__google-cloud-kms-options)\n- [2.37.0](/cpp/docs/reference/kms/2.37.0/group__google-cloud-kms-options)\n- [2.36.0](/cpp/docs/reference/kms/2.36.0/group__google-cloud-kms-options)\n- [2.35.0](/cpp/docs/reference/kms/2.35.0/group__google-cloud-kms-options)\n- [2.34.0](/cpp/docs/reference/kms/2.34.0/group__google-cloud-kms-options)\n- [2.33.0](/cpp/docs/reference/kms/2.33.0/group__google-cloud-kms-options)\n- [2.32.0](/cpp/docs/reference/kms/2.32.0/group__google-cloud-kms-options)\n- [2.31.0](/cpp/docs/reference/kms/2.31.0/group__google-cloud-kms-options)\n- [2.30.0](/cpp/docs/reference/kms/2.30.0/group__google-cloud-kms-options)\n- [2.29.0](/cpp/docs/reference/kms/2.29.0/group__google-cloud-kms-options)\n- [2.28.0](/cpp/docs/reference/kms/2.28.0/group__google-cloud-kms-options)\n- [2.27.0](/cpp/docs/reference/kms/2.27.0/group__google-cloud-kms-options)\n- [2.26.0](/cpp/docs/reference/kms/2.26.0/group__google-cloud-kms-options)\n- [2.25.1](/cpp/docs/reference/kms/2.25.1/group__google-cloud-kms-options)\n- [2.24.0](/cpp/docs/reference/kms/2.24.0/group__google-cloud-kms-options)\n- [2.23.0](/cpp/docs/reference/kms/2.23.0/group__google-cloud-kms-options)\n- [2.22.1](/cpp/docs/reference/kms/2.22.1/group__google-cloud-kms-options)\n- [2.21.0](/cpp/docs/reference/kms/2.21.0/group__google-cloud-kms-options)\n- [2.20.0](/cpp/docs/reference/kms/2.20.0/group__google-cloud-kms-options)\n- [2.19.0](/cpp/docs/reference/kms/2.19.0/group__google-cloud-kms-options)\n- [2.18.0](/cpp/docs/reference/kms/2.18.0/group__google-cloud-kms-options)\n- [2.17.0](/cpp/docs/reference/kms/2.17.0/group__google-cloud-kms-options)\n- [2.16.0](/cpp/docs/reference/kms/2.16.0/group__google-cloud-kms-options)\n- [2.15.1](/cpp/docs/reference/kms/2.15.1/group__google-cloud-kms-options)\n- [2.14.0](/cpp/docs/reference/kms/2.14.0/group__google-cloud-kms-options)\n- [2.13.0](/cpp/docs/reference/kms/2.13.0/group__google-cloud-kms-options)\n- [2.12.0](/cpp/docs/reference/kms/2.12.0/group__google-cloud-kms-options)\n- [2.11.0](/cpp/docs/reference/kms/2.11.0/group__google-cloud-kms-options)\n- [2.10.1](/cpp/docs/reference/kms/2.10.1/group__google-cloud-kms-options) \n\nCloud Key Management Service (KMS) Configuration Options\n========================================================\n\nThis library uses the same mechanism ([`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html)) and the common [options](https://cloud.google.com/cpp/docs/reference/common/latest/group__options.html) as all other C++ client libraries for its configuration. Some `*Option` classes, which are only used in this library, are documented in this page.\n\n###### See Also\n\n[Client Library Configuration](https://cloud.google.com/cpp/docs/reference/common/latest/group__options.html) - for an overview of client library configuration.\n\n### Classes\n\n- [`google::cloud::kms_inventory_v1::KeyDashboardServiceRetryPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__inventory__v1_1_1KeyDashboardServiceRetryPolicyOption)\n- [`google::cloud::kms_inventory_v1::KeyDashboardServiceBackoffPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__inventory__v1_1_1KeyDashboardServiceBackoffPolicyOption)\n- [`google::cloud::kms_inventory_v1::KeyDashboardServiceConnectionIdempotencyPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__inventory__v1_1_1KeyDashboardServiceConnectionIdempotencyPolicyOption)\n- [`google::cloud::kms_inventory_v1::KeyTrackingServiceRetryPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__inventory__v1_1_1KeyTrackingServiceRetryPolicyOption)\n- [`google::cloud::kms_inventory_v1::KeyTrackingServiceBackoffPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__inventory__v1_1_1KeyTrackingServiceBackoffPolicyOption)\n- [`google::cloud::kms_inventory_v1::KeyTrackingServiceConnectionIdempotencyPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__inventory__v1_1_1KeyTrackingServiceConnectionIdempotencyPolicyOption)\n- [`google::cloud::kms_v1::EkmServiceRetryPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__v1_1_1EkmServiceRetryPolicyOption)\n- [`google::cloud::kms_v1::EkmServiceBackoffPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__v1_1_1EkmServiceBackoffPolicyOption)\n- [`google::cloud::kms_v1::EkmServiceConnectionIdempotencyPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__v1_1_1EkmServiceConnectionIdempotencyPolicyOption)\n- [`google::cloud::kms_v1::KeyManagementServiceRetryPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__v1_1_1KeyManagementServiceRetryPolicyOption)\n- [`google::cloud::kms_v1::KeyManagementServiceBackoffPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__v1_1_1KeyManagementServiceBackoffPolicyOption)\n- [`google::cloud::kms_v1::KeyManagementServiceConnectionIdempotencyPolicyOption`](/cpp/docs/reference/kms/2.16.0/structgoogle_1_1cloud_1_1kms__v1_1_1KeyManagementServiceConnectionIdempotencyPolicyOption)\n\n### Types\n\n- [`KeyDashboardServicePolicyOptionList`](/cpp/docs/reference/kms/2.16.0/namespacegoogle_1_1cloud_1_1kms__inventory__v1)\n- [`KeyTrackingServicePolicyOptionList`](/cpp/docs/reference/kms/2.16.0/namespacegoogle_1_1cloud_1_1kms__inventory__v1)\n- [`EkmServicePolicyOptionList`](/cpp/docs/reference/kms/2.16.0/namespacegoogle_1_1cloud_1_1kms__v1)\n- [`KeyManagementServicePolicyOptionList`](/cpp/docs/reference/kms/2.16.0/namespacegoogle_1_1cloud_1_1kms__v1)"]]
