Solicitações de monitoramento para Nitro enclaves

Para a atestação do Nitro Enclaves, o log do CloudTrail inclui o ID do módulo (attestationDocumentModuleId), o resumo da imagem (attestationDocumentEnclaveImageDigest) e os registros de configuração da plataforma (PCRs) do atestado.

O ID do módulo é o ID do enclave do Nitro enclave. O resumo da imagem é o hash SHA384 da imagem do enclave. É possível usar o resumo da imagem e os valores de PCR em condições para políticas de chave e políticas do IAM. Para obter informações sobre os PCRs, consulte Onde obter as medidas de um enclave no Guia do usuário de Nitro Enclaves da AWS.

Esta seção mostra um exemplo de entrada de log do CloudTrail para cada uma das solicitações compatíveis do Nitro enclave para o AWS KMS.

Decrypt (para um enclave)

O exemplo a seguir mostra uma entrada de log do AWS CloudTrail para uma operação Decrypt para um Nitro Enclave da AWS.

{
    "eventVersion": "1.05",
    "userIdentity": {
        "type": "IAMUser",
        "principalId": "EX_PRINCIPAL_ID",
        "arn": "arn:aws:iam::111122223333:user/Alice",
        "accountId": "111122223333",
        "accessKeyId": "EXAMPLE_KEY_ID",
        "userName": "Alice"
    },
    "eventTime": "2020-07-27T22:58:24Z",
    "eventSource": "kms.amazonaws.com",
    "eventName": "Decrypt",
    "awsRegion": "us-west-2",
    "sourceIPAddress": "192.0.2.0",
    "userAgent": "AWS Internal",
    "requestParameters": {
        "encryptionAlgorithm": "SYMMETRIC_DEFAULT",
        "keyId": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
    },
    "responseElements": null,
    "additionalEventData": {
        "recipient": {
            "attestationDocumentModuleId": "i-123456789abcde123-enc123456789abcde12",
            "attestationDocumentEnclaveImageDigest": "<AttestationDocument.PCR0>",
            "attestationDocumentEnclavePCR1": "<AttestationDocument.PCR1>",
            "attestationDocumentEnclavePCR2": "<AttestationDocument.PCR2>",
            "attestationDocumentEnclavePCR3": "<AttestationDocument.PCR3>",
            "attestationDocumentEnclavePCR4": "<AttestationDocument.PCR4>",
            "attestationDocumentEnclavePCR8": "<AttestationDocument.PCR8>"
        }
    },
    "requestID": "b4a65126-30d5-4b28-98b9-9153da559963",
    "eventID": "e5a2f202-ba1a-467c-b4ba-f729d45ae521",
    "readOnly": true,
    "resources": [
        {
            "accountId": "111122223333",
            "type": "AWS::KMS::Key",
            "ARN": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
        }
    ],
    "eventType": "AwsApiCall",
    "recipientAccountId": "111122223333"
}

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GenerateDataKey (para um enclave)

O exemplo a seguir mostra uma entrada de log do AWS CloudTrail para uma operação GenerateDataKey para um Nitro Enclave da AWS.

{
    "eventVersion": "1.02",
    "userIdentity": {
        "type": "IAMUser",
        "principalId": "EX_PRINCIPAL_ID",
        "arn": "arn:aws:iam::111122223333:user/Alice",
        "accountId": "111122223333",
        "accessKeyId": "EXAMPLE_KEY_ID",
        "userName": "Alice"
    },
    "eventTime": "2014-11-04T00:52:40Z",
    "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",
        "numberOfBytes": 32
    },
    "responseElements": null,
    "additionalEventData": {
        "recipient": {
            "attestationDocumentModuleId": "i-123456789abcde123-enc123456789abcde12",
            "attestationDocumentEnclaveImageDigest": "<AttestationDocument.PCR0>",
            "attestationDocumentEnclavePCR1": "<AttestationDocument.PCR1>",
            "attestationDocumentEnclavePCR2": "<AttestationDocument.PCR2>",
            "attestationDocumentEnclavePCR3": "<AttestationDocument.PCR3>",
            "attestationDocumentEnclavePCR4": "<AttestationDocument.PCR4>",
            "attestationDocumentEnclavePCR8": "<AttestationDocument.PCR8>"
        }
    },
    "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",
    "recipientAccountId": "111122223333"
}

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GenerateDataKeyPair (para um enclave)

O exemplo a seguir mostra uma entrada de log do AWS CloudTrail gerada para a operação GenerateDataKeyPair para um Nitro enclave da AWS.

{
    "eventVersion": "1.05",
    "userIdentity": {
            "type": "IAMUser",
            "principalId": "EX_PRINCIPAL_ID",
            "arn": "arn:aws:iam::111122223333:user/Alice",
            "accountId": "111122223333",
            "accessKeyId": "EXAMPLE_KEY_ID",
            "userName": "Alice"
    },
    "eventTime": "2020-07-27T18:57:57Z",
    "eventSource": "kms.amazonaws.com",
    "eventName": "GenerateDataKeyPair",
    "awsRegion": "us-west-2",
    "sourceIPAddress": "192.0.2.0",
    "userAgent": "AWS Internal",
    "requestParameters": {
        "keyPairSpec": "RSA_3072",
        "encryptionContext": {
            "Project": "Alpha"
        },
        "keyId": "1234abcd-12ab-34cd-56ef-1234567890ab"
    },
    "responseElements": null,
    "additionalEventData": {
        "recipient": {
            "attestationDocumentModuleId": "i-123456789abcde123-enc123456789abcde12",
            "attestationDocumentEnclaveImageDigest": "<AttestationDocument.PCR0>",
            "attestationDocumentEnclavePCR1": "<AttestationDocument.PCR1>",
            "attestationDocumentEnclavePCR2": "<AttestationDocument.PCR2>",
            "attestationDocumentEnclavePCR3": "<AttestationDocument.PCR3>",
            "attestationDocumentEnclavePCR4": "<AttestationDocument.PCR4>",
            "attestationDocumentEnclavePCR8": "<AttestationDocument.PCR8>"
        }
    },
    "requestID": "52fb127b-0fe5-42bb-8e5e-f560febde6b0",
    "eventID": "9b6bd6d2-529d-4890-a949-593b13800ad7",
    "readOnly": true,
    "resources": [
        {
            "accountId": "111122223333",
            "type": "AWS::KMS::Key",
            "ARN": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
        }
    ],
    "eventType": "AwsApiCall",
    "recipientAccountId": "111122223333"
}

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GenerateRandom (para um enclave)

O exemplo a seguir mostra uma entrada de log do AWS CloudTrail gerada para a operação GenerateRandom para um Nitro enclave da AWS.

{
    "eventVersion": "1.02",
    "userIdentity": {
        "type": "IAMUser",
        "principalId": "EX_PRINCIPAL_ID",
        "arn": "arn:aws:iam::111122223333:user/Alice",
        "accountId": "111122223333",
        "accessKeyId": "EXAMPLE_KEY_ID",
        "userName": "Alice"
    },
    "eventTime": "2014-11-04T00:52:37Z",
    "eventSource": "kms.amazonaws.com",
    "eventName": "GenerateRandom",
    "awsRegion": "us-east-1",
    "sourceIPAddress": "192.0.2.0",
    "userAgent": "AWS Internal",
    "requestParameters": null,
    "responseElements": null,
    "additionalEventData": {
        "recipient": {
            "attestationDocumentModuleId": "i-123456789abcde123-enc123456789abcde12",
            "attestationDocumentEnclaveImageDigest": "<AttestationDocument.PCR0>",
            "attestationDocumentEnclavePCR1": "<AttestationDocument.PCR1>",
            "attestationDocumentEnclavePCR2": "<AttestationDocument.PCR2>",
            "attestationDocumentEnclavePCR3": "<AttestationDocument.PCR3>",
            "attestationDocumentEnclavePCR4": "<AttestationDocument.PCR4>",
            "attestationDocumentEnclavePCR8": "<AttestationDocument.PCR8>"
        }
    },
    "requestID": "df1e3de6-63bc-11e4-bc2b-4198b6150d5c",
    "eventID": "239cb9f7-ae05-4c94-9221-6ea30eef0442",
    "readOnly": true,
    "resources": [],
    "eventType": "AwsApiCall",
    "recipientAccountId": "111122223333"
}

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