POST https://KACLS_URL/privatekeydecrypt
Unwraps a wrapped private key and then decrypts the content encryption key that is encrypted to the public key.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-23 UTC."],[[["\u003cp\u003eThe Google Workspace Client-side Encryption (CSE) API empowers you to manage your own encryption keys for enhanced security of Google Workspace data.\u003c/p\u003e\n"],["\u003cp\u003eThis API provides a comprehensive suite of methods for key management, including wrapping, unwrapping, encryption, decryption, and signing, offering granular control over your data protection.\u003c/p\u003e\n"],["\u003cp\u003eYou can leverage methods such as \u003ccode\u003ewrap\u003c/code\u003e and \u003ccode\u003eunwrap\u003c/code\u003e to encrypt and decrypt data encryption keys (DEKs), while \u003ccode\u003eprivatekeydecrypt\u003c/code\u003e allows for decryption using your private keys.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication and authorization are handled through JWTs, ensuring secure access control to your encrypted data.\u003c/p\u003e\n"],["\u003cp\u003eExplore detailed documentation on methods, tokens, and error handling to effectively integrate the CSE API into your workflows.\u003c/p\u003e\n"]]],["The Google Workspace CSE API enables key ownership for encrypting Workspace data. Key actions include: `digest` to return checksums, `privatekeydecrypt` to decrypt keys, `privatekeysign` to sign digests, `unwrap`/`wrap` to decrypt/encrypt DEKs, `rewrap` to re-encrypt DEKs, `privileged` methods for special decryption/wrapping, `wrapprivatekey` to wrap a user's private key and `status` to check the Key Access Control List Service. It uses `Authorization` and `Authentication` JWT tokens and details structured error handling.\n"],null,["# Google Workspace CSE API Reference\n\nThe Google Workspace Client-side Encryption (CSE) API lets you own the\nencryption keys used to further encrypt Google Workspace data.\n\nMethods\n-------\n\n| Methods ||\n|----------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [delegate](/workspace/cse/reference/delegate) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/delegate` Allows a first user to delegate a request to a second user. |\n| [digest](/workspace/cse/reference/digest) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/digest` Returns the checksum of an unwrapped DEK. |\n| [privatekeydecrypt](/workspace/cse/reference/private-key-decrypt) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/privatekeydecrypt` Unwraps a wrapped private key and then decrypts the content encryption key that is encrypted to the public key. |\n| [privatekeysign](/workspace/cse/reference/private-key-sign) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/privatekeysign` Unwraps a wrapped private key and then signs the digest provided by the client. |\n| [privilegedprivatekeydecrypt](/workspace/cse/reference/privileged-private-key-decrypt) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/privilegedprivatekeydecrypt` Decrypts without checking the wrapped private key ACL. |\n| [privilegedunwrap](/workspace/cse/reference/privileged-unwrap) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/privilegedunwrap` Decrypts data exported from Google in a privileged context. |\n| [privilegedwrap](/workspace/cse/reference/privileged-wrap) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/privilegedwrap` Returns a wrapped Data Encryption Key (DEK) and associated data. |\n| [rewrap](/workspace/cse/reference/rewrap) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/rewrap` Re-encrypts an encrypted DEK. |\n| [status](/workspace/cse/reference/status) | `GET https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/status` Checks the status of a Key Access Control List Service (KACLS). |\n| [unwrap](/workspace/cse/reference/unwrap) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/unwrap` Returns decrypted DEK. |\n| [wrap](/workspace/cse/reference/wrap) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/wrap` Returns encrypted DEK and associated data. |\n| [wrapprivatekey](/workspace/cse/reference/wrap-private-key) | `POST https://`\u003cvar translate=\"no\"\u003eKACLS_URL\u003c/var\u003e`/wrapprivatekey` Wraps a user's private key. |\n\nTokens\n------\n\n| Tokens ||\n|------------------------------------------------------------------|------------------------------------------------------------------------------------------------|\n| [Authorization](/workspace/cse/reference/authorization-tokens) | JWT issued by Google to verify that the caller is authorized to encrypt or decrypt a resource. |\n| [Authentication](/workspace/cse/reference/authentication-tokens) | JWT issued by the identity provider that attests user identity. |\n\nOther\n-----\n\n- \\[Resource key hash\\]\n- [Structured error replies](/workspace/cse/reference/structured-errors)"]]
