在 CloudTrail 主控台中建立的預設金鑰政策

如果您在 CloudTrail 主控台 AWS KMS key 中建立 ，系統會自動為您建立下列政策。此政策允許這些許可：

• KMS 金鑰的 Allow AWS 帳戶 (root) 許可。

• 允許 CloudTrail 在 KMS 金鑰下加密日誌檔案和摘要檔案，並描述 KMS 金鑰。

• 允許指定帳戶中的所有使用者解密日誌檔案和摘要檔案。

• 允許指定帳戶中的所有使用者建立 KMS 金鑰的 KMS 別名。

• 已建立追蹤的帳戶能夠用於帳戶 ID 跨帳戶日誌解密。

適用於追蹤的預設 KMS 金鑰政策

以下是針對您搭配線索使用的 AWS KMS key 所建立的預設政策。

注意

此政策包含允許跨帳戶使用 KMS 金鑰解密日誌檔案和摘要檔案的陳述式。

JSON

{
    "Version": "2012-10-17",
    "Id": "Key policy created by CloudTrail",
    "Statement": [
        {
            "Sid": "Enable IAM user permissions",
            "Effect": "Allow",
            "Principal": {
                "AWS": [
                    "arn:aws:iam::111111111111:root",
                    "arn:aws:iam::111111111111:user/username"
                ]
            },
            "Action": "kms:*",
            "Resource": "*"
        },
        {
            "Sid": "Allow CloudTrail to encrypt logs",
            "Effect": "Allow",
            "Principal": {
                "Service": "cloudtrail.amazonaws.com"
             },
            "Action": "kms:GenerateDataKey*",
            "Resource": "*",
            "Condition": {
                "StringEquals": {
                    "aws:SourceArn": "arn:aws:cloudtrail:us-east-1:111111111111:trail/trail-name"
                },
                "StringLike": {
                    "kms:EncryptionContext:aws:cloudtrail:arn": "arn:aws:cloudtrail:*:111111111111:trail/*"
                }
            }
        },
        {
            "Sid": "Allow CloudTrail to describe key",
            "Effect": "Allow",
            "Principal": {
                "Service": "cloudtrail.amazonaws.com"
             },
            "Action": "kms:DescribeKey",
            "Resource": "*"
        },
        {
            "Sid": "Allow principals in the account to decrypt log files",
            "Effect": "Allow",
            "Principal": {
                "AWS": "*"
             },
            "Action": [
                "kms:Decrypt",
                "kms:ReEncryptFrom"
            ],
            "Resource": "*",
            "Condition": {
                "StringEquals": {
                    "kms:CallerAccount": "111111111111"
                },
                "StringLike": {
                    "kms:EncryptionContext:aws:cloudtrail:arn": "arn:aws:cloudtrail:*:111111111111:trail/*"
                }
            }
        },
        {
            "Sid": "Enable cross account log decryption",
            "Effect": "Allow",
            "Principal": {
                "AWS": "*"
            },
            "Action": [
                "kms:Decrypt",
                "kms:ReEncryptFrom"
            ],
            "Resource": "*",
            "Condition": {
                "StringEquals": {
                    "kms:CallerAccount": "111111111111"
                },
                "StringLike": {
                    "kms:EncryptionContext:aws:cloudtrail:arn": "arn:aws:cloudtrail:*:111111111111:trail/*"
                }
            }
        }
    ]
}

CloudTrail Lake 事件資料存放區的預設 KMS 金鑰政策

以下是 AWS KMS key 您用於 CloudTrail Lake 中事件資料存放區之 的預設政策。

JSON

{
      "Version": "2012-10-17",
      "Id": "Key policy created by CloudTrail",
      "Statement": [
        {
          "Sid": "The key created by CloudTrail to encrypt event data stores. Created ${new Date().toUTCString()}",
          "Effect": "Allow",
          "Principal": {
            "Service": "cloudtrail.amazonaws.com"
          },
          "Action": [
            "kms:GenerateDataKey",
            "kms:Decrypt"
          ],
          "Resource": "*"
        },
        {
          "Sid": "Enable IAM user permissions",
          "Effect": "Allow",
          "Principal": {
                "AWS": "arn:aws:iam::111111111111:root"
          },
          "Action": "kms:*",
          "Resource": "*"
        },
        {
          "Sid": "Enable user to have permissions",
          "Effect": "Allow",
          "Principal": {
               "AWS" : "arn:aws:sts::111111111111:assumed-role/example-role-name"
        },
          "Action": [
            "kms:Decrypt",
            "kms:GenerateDataKey"
           ],
          "Resource": "*"
        }
      ]
    }