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added info about using your own CA for IoT

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I have found this feature to be in high demand from my customers, so wanted to add a link to it here
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Lynn Langit 2017-01-07 14:30:20 -08:00 committed by GitHub
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@ -1598,7 +1598,7 @@ IoT
- AWS has a useful [quick-start](http://docs.aws.amazon.com/iot/latest/developerguide/iot-gs.html) (using the Console) and a [slide presentation](http://www.slideshare.net/AmazonWebServices/connecting-to-aws-iot) on core topics. - AWS has a useful [quick-start](http://docs.aws.amazon.com/iot/latest/developerguide/iot-gs.html) (using the Console) and a [slide presentation](http://www.slideshare.net/AmazonWebServices/connecting-to-aws-iot) on core topics.
* **IoT terms:** * **IoT terms:**
* AWS [**IoT Things**](http://docs.aws.amazon.com/iot/latest/developerguide/iot-thing-management.html) (metadata for devices in a [registry](http://docs.aws.amazon.com/iot/latest/developerguide/iot-thing-management.html)) and can store device state in a JSON document, which is called a [**device shadow**](http://docs.aws.amazon.com/iot/latest/developerguide/iot-thing-shadows.html). Device metadata can also be stored in [**IoT Thing Types**](http://docs.aws.amazon.com/iot/latest/developerguide/thing-types.html). This aids in device metadata management by allowing for reuse of device description and configuration for more than one device. Note that IoT Thing Types can be deprecated, but not changed — they are immutable. * AWS [**IoT Things**](http://docs.aws.amazon.com/iot/latest/developerguide/iot-thing-management.html) (metadata for devices in a [registry](http://docs.aws.amazon.com/iot/latest/developerguide/iot-thing-management.html)) and can store device state in a JSON document, which is called a [**device shadow**](http://docs.aws.amazon.com/iot/latest/developerguide/iot-thing-shadows.html). Device metadata can also be stored in [**IoT Thing Types**](http://docs.aws.amazon.com/iot/latest/developerguide/thing-types.html). This aids in device metadata management by allowing for reuse of device description and configuration for more than one device. Note that IoT Thing Types can be deprecated, but not changed — they are immutable.
* AWS [**IoT Certificates**](http://docs.aws.amazon.com/iot/latest/developerguide/attach-cert-thing.html) (device authentication) are the logical association of a unique certificate to the logical representation of a device. This association can be done in the Console. In addition, the public key of the certificate must be copied to the physical device. This covers the authentication of devices to a particular AWS Device Gateway (or message broker). * AWS [**IoT Certificates**](http://docs.aws.amazon.com/iot/latest/developerguide/attach-cert-thing.html) (device authentication) are the logical association of a unique certificate to the logical representation of a device. This association can be done in the Console. In addition, the public key of the certificate must be copied to the physical device. This covers the authentication of devices to a particular AWS Device Gateway (or message broker). You can associate an AWS IoT certificate with an IoT device or you can [register your own CA (Certificate Authority) with AWS](http://docs.aws.amazon.com/iot/latest/developerguide/device-certs-your-own.html), generate your own certificate(s) and associate those certificates with your devices via the AWS Console or cli.
* AWS [**IoT Policies**](http://docs.aws.amazon.com/iot/latest/developerguide/authorization.html) (device/topic authorization) are JSON files that are associated to one or more AWS IoT certificates. This authorizes associated devices to publish and/or subscribe to messages from one or more MQTT topics. * AWS [**IoT Policies**](http://docs.aws.amazon.com/iot/latest/developerguide/authorization.html) (device/topic authorization) are JSON files that are associated to one or more AWS IoT certificates. This authorizes associated devices to publish and/or subscribe to messages from one or more MQTT topics.
* AWS [**IoT Rules**](http://docs.aws.amazon.com/iot/latest/developerguide/iot-rules.html) are SQL-like queries which allows for reuse of some or all device message data, as described in [this presentation, which summarizes design patterns with for IoT Rules](http://www.slideshare.net/AmazonWebServices/programming-the-physical-world-with-device-shadows-and-rules-engine-66486454). * AWS [**IoT Rules**](http://docs.aws.amazon.com/iot/latest/developerguide/iot-rules.html) are SQL-like queries which allows for reuse of some or all device message data, as described in [this presentation, which summarizes design patterns with for IoT Rules](http://www.slideshare.net/AmazonWebServices/programming-the-physical-world-with-device-shadows-and-rules-engine-66486454).
* Shown below is a [diagram](https://aws.amazon.com/iot/how-it-works/) which summarizes the flow of messages between the AWS IoT services: * Shown below is a [diagram](https://aws.amazon.com/iot/how-it-works/) which summarizes the flow of messages between the AWS IoT services: