GenerateDataKey - AWS Key Management Service
Services or capabilities described in AWS documentation might vary by Region. To see the differences applicable to the AWS European Sovereign Cloud Region, see the AWS European Sovereign Cloud User Guide.

GenerateDataKey

The following example shows an AWS CloudTrail log entry for the GenerateDataKey operation.

{ "eventVersion": "1.11", "userIdentity": { "type": "IAMUser", "principalId": "EX_PRINCIPAL_ID", "arn": "arn:aws:iam::111122223333:user/Alice", "accountId": "111122223333", "accessKeyId": "EXAMPLE_KEY_ID", "userName": "Alice" }, "eventTime": "2025-05-20T20:46:16Z", "eventSource": "kms.amazonaws.com", "eventName": "GenerateDataKey", "awsRegion": "us-east-1", "sourceIPAddress": "192.0.2.0", "userAgent": "AWS Internal", "requestParameters": { "keyId": "1234abcd-12ab-34cd-56ef-1234567890ab", "keySpec": "AES_256", "encryptionContext": { "Department": "Engineering", "Project": "Alpha" } }, "responseElements": null, "additionalEventData": { "keyMaterialId": "123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0" }, "requestID": "e0eb83e3-63bc-11e4-bc2b-4198b6150d5c", "eventID": "a9dea4f9-8395-46c0-942c-f509c02c2b71", "readOnly": true, "resources": [{ "ARN": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab", "accountId": "111122223333" }], "eventType": "AwsApiCall", "managementEvent": true, "recipientAccountId": "111122223333" "eventCategory": "Management", "tlsDetails": { "tlsVersion": "TLSv1.3", "cipherSuite": "TLS_AES_256_GCM_SHA384", "clientProvidedHostHeader": "kms.us-east-1.amazonaws.com" } }