Google: Retrieves an existing client-side encryption key pair For administrators managing identities and keypairs for users in their organization, requests require authorization with a service account (https: developers google com identity protocols O Auth2 Service Account) that has domain-wide delegation authority (https: developers google com identity protocols O Auth2 Service Account#delegatingauthority) to impersonate users with the `https: www googleapis com auth gmail settings basic` scope For users managing their own identities and keypairs, requests require hardware key encryption (https: support google com a answer 14153163) turned on and configured — response body — private Key Metadata item hardware Key Metadata
Retrieves an existing client-side encryption key pair. For administrators managing identities and keypairs for users in their organization, requests require authorization with a [service account](https://developers.google.com/identity/protocols/OAuth2ServiceAccount) that has [domain-wide delegation authority](https://developers.google.com/identity/protocols/OAuth2ServiceAccount#delegatingauthority) to impersonate users with the `https://www.googleapis.com/auth/gmail.settings.basic` scope. For users managing their own identities and keypairs, requests require [hardware key encryption](https://support.google.com/a/answer/14153163) turned on and configured.: response body, field privateKeyMetadata / item / hardwareKeyMetadata. Complete fields and constraints for contract 2026-10-27.
API reference · Contract 2026-10-27
SDK schema: Retrieves an existing client-side encryption key pair For administrators managing identities and keypairs for users in their organization, requests require authorization with a service account (https: developers google com identity protocols O Auth2 Service Account) that has domain-wide delegation authority (https: developers google com identity protocols O Auth2 Service Account#delegatingauthority) to impersonate users with the `https: www googleapis com auth gmail settings basic` scope For users managing their own identities and keypairs, requests require hardware key encryption (https: support google com a answer 14153163) turned on and configured — response body — private Key Metadata item hardware Key Metadata
| Field | Type | Presence | Description and constraints |
|---|---|---|---|
$ | object | Root | Metadata for hardware keys. If [hardware key encryption](https://support.google.com/a/answer/14153163) is set up for the Google Workspace organization, users can optionally store their private key on their smart card and use it to sign and decrypt email messages in Gmail by inserting their smart card into a reader attached to their Windows device. |
description | string | Optional | Description about the hardware key. |