{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "EBSReadOnlyPermissions",
      "Effect": "Allow",
      "Action": [
        "ec2:DescribeSnapshots"
      ],
      "Resource": "*"
    },
    {
      "Sid": "KMSReadOnlyPermissions",
      "Effect": "Allow",
      "Action": "kms:DescribeKey",
      "Resource": "arn:aws:kms:*:*:key/*"
    },
    {
      "Sid": "EBSDirectReadAPIPermissions",
      "Effect": "Allow",
      "Action": [
        "ebs:ListSnapshotBlocks",
        "ebs:GetSnapshotBlock"
      ],
      "Resource": "arn:aws:ec2:*::snapshot/*"
    },
    {
      "Sid": "KMSDataKeyForEC2Permissions",
      "Effect": "Allow",
      "Action": [
        "kms:Decrypt"
      ],
      "Resource": "arn:aws:kms:*:*:key/*",
      "Condition": {
        "StringLike": {
          "kms:ViaService": [
            "ec2.*.amazonaws.com"
          ]
        }
      }
    }
  ]
}