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En este tema, se describe cómo recuperar la clave de recomendación (EKPub) desde una instancia de VM protegida.
Puedes recuperar la clave de recomendación para la clave de encriptación y la clave de firma. La clave de encriptación sirve para encriptar datos, de manera que solo el vTPM pueda leerlos. La clave de firma permite verificar las firmas que crea el vTPM. También puedes usar la clave para confirmar la identidad de una instancia de VM antes de enviarle información sensible.
Debes contar con el permiso getShieldedInstanceIdentity para recuperar las claves de recomendación.
Recupera las claves de recomendación con Google Cloud CLI
Usa el comando gcloud compute instances get-shielded-identity para recuperar la parte pública de la clave de recomendación desde una instancia de VM protegida.
Los resultados que se muestran siguen un formato similar al que se presenta a continuación:
encryptionKey:
ekPub: |
-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4ucWqhLjIkcEJyqc8KJM
12345678abcdefghijklmnopqrstuvwxyz12345678abcdefghijklmnopqrstu
oBSrm0swIu3x4LWR/Ebl5KA0EKe9YFGaS9Pguun1m6X8Ld2zAqmoIwnxDiOqxQEU
mx2wxkjf0bbjxG5ZI1i3t/c/QzeaE2WWTlKdgnUDyxSloDBq63yywtoIrp1nbDLj
X8qdBymixu8jXXp1iGwmEUltnEnx779JKTpKgKTEednri+NcfRmXHrnPCxfiPudQ
4wIDAQAB
-----END PUBLIC KEY-----
kind: compute#shieldedInstanceIdentity
signingKey:
ekPub: |
-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzQvcD+2LAnsXAgdsVYAc
12345678abcdefghijklmnopqrstuvwxyz12345678abcdefghijklmnopqrstu
V/7WHasUuGlkbqiDOuDWgb15FAn35PU64HGey67McZTUT9EvrkT/ryXi4kZgBtoM
lQIDAQAB
-----END PUBLIC KEY-----
Recupera las claves de recomendación con la API de Compute Engine
Puedes usar la API de Compute Engine para ver la información de la clave de recomendación. Consulta las guías prácticas a fin de obtener más información sobre el uso de la API.
[[["Fácil de comprender","easyToUnderstand","thumb-up"],["Resolvió mi problema","solvedMyProblem","thumb-up"],["Otro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Información o código de muestra incorrectos","incorrectInformationOrSampleCode","thumb-down"],["Faltan la información o los ejemplos que necesito","missingTheInformationSamplesINeed","thumb-down"],["Problema de traducción","translationIssue","thumb-down"],["Otro","otherDown","thumb-down"]],["Última actualización: 2025-09-04 (UTC)"],[[["\u003cp\u003eThis guide outlines the process of retrieving the endorsement key (EKPub) from a Shielded VM instance, including both encryption and signing keys.\u003c/p\u003e\n"],["\u003cp\u003eThe encryption key obtained can be used to encrypt data readable only by the vTPM, while the signing key can verify vTPM-generated signatures, and both keys can verify VM instance identity.\u003c/p\u003e\n"],["\u003cp\u003eRetrieving these endorsement keys requires the \u003ccode\u003egetShieldedInstanceIdentity\u003c/code\u003e permission.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003egcloud compute instances get-shielded-identity\u003c/code\u003e command can be used via the Google Cloud CLI, or alternatively the Compute Engine API can be leveraged to retrieve the endorsement keys, both returning similar results.\u003c/p\u003e\n"]]],[],null,["# Retrieving endorsement keys\n\nThis topic describes how to retrieve the endorsement key (EKPub) from a\nShielded VMinstance.\n\nYou can retrieve the endorsement key for both the encryption key and the signing\nkey. You can use the encryption key to encrypt data so that only the vTPM can\nread it, or the signing key to verify signatures that the vTPM makes. You can\nalso use the key to ascertain the identity of a VM instance before sending\nsensitive information to it.\n\nYou must have the `getShieldedInstanceIdentity` permission to retrieve\nendorsement keys.\n\nRetrieving endorsement keys using the Google Cloud CLI\n------------------------------------------------------\n\nUse the `gcloud compute instances get-shielded-identity` command to retrieve\nthe public portion of the endorsement key from a Shielded VM instance. \n\n gcloud compute instances get-shielded-identity [INSTANCE_NAME]\n\nThe results returned look similar to the following: \n\n```\nencryptionKey:\n ekPub: |\n -----BEGIN PUBLIC KEY-----\n MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4ucWqhLjIkcEJyqc8KJM\n 12345678abcdefghijklmnopqrstuvwxyz12345678abcdefghijklmnopqrstu\n oBSrm0swIu3x4LWR/Ebl5KA0EKe9YFGaS9Pguun1m6X8Ld2zAqmoIwnxDiOqxQEU\n mx2wxkjf0bbjxG5ZI1i3t/c/QzeaE2WWTlKdgnUDyxSloDBq63yywtoIrp1nbDLj\n X8qdBymixu8jXXp1iGwmEUltnEnx779JKTpKgKTEednri+NcfRmXHrnPCxfiPudQ\n 4wIDAQAB\n -----END PUBLIC KEY-----\nkind: compute#shieldedInstanceIdentity\nsigningKey:\n ekPub: |\n -----BEGIN PUBLIC KEY-----\n MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzQvcD+2LAnsXAgdsVYAc\n 12345678abcdefghijklmnopqrstuvwxyz12345678abcdefghijklmnopqrstu\n V/7WHasUuGlkbqiDOuDWgb15FAn35PU64HGey67McZTUT9EvrkT/ryXi4kZgBtoM\n lQIDAQAB\n -----END PUBLIC KEY-----\n```\n\nRetrieving endorsement keys using the Compute Engine API\n--------------------------------------------------------\n\nYou can use the Compute Engine API to view endorsement key information. For\nmore information on how to use the API, see the [How-to guides](/compute/docs/api/how-tos/how-tos). \n\n GET /compute/v1/projects/[PROJECT_ID]/zones/[ZONE]/instances/[INSTANCE_NAME]/getShieldedInstanceIdentity\n\n {\n \"signingKey\": {\n \"ekPub\": [PEM-formatted key]\n },\n \"encryptionKey\": {\n \"ekPub\": [PEM-formatted key]\n },\n \"kind\": \"compute#shieldedInstanceIdentity\"\n }\n\nWhat's next\n-----------\n\n- Learn about [modifying options on a Shielded VM instance](/compute/shielded-vm/docs/modifying-shielded-vm).\n- Learn about one approach to [automating responses to integrity monitoring events](/compute/shielded-vm/docs/automating-responses-integrity-failures)."]]
