Change awscli create certificate command and change pubsub code, READ…

.gitignore

@@ -60,3 +60,7 @@ target/
 
 #Ipython Notebook
 .ipynb_checkpoints
+
+# key file
+*.pem
+*.key

README.md

@@ -3,11 +3,13 @@
 ## Platforms supported
 
 I've tested the certificate creation commands only on Windows using the AWS CLI. I think they should work on the AWS CLI of other platforms.
+If you need to AWS CLI set-up please check this link: [https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-quickstart.html]
 
-My python programs run perfectly on:
+This Python programs run perfectly on:
 - Raspberry PI 2 with Raspbian Jessie and Python 2.7
 - Debian Jessie virtual machine with Python 2.7
 - Windows with Python 3.4 installed by Conda
+- Ubuntu 20.04 with Python 3.8 installed by Conda
 
 ## Create a thing, certifcate, keys and attaching them to enable usage of AWS IoT hub
 
@@ -23,13 +25,13 @@ aws iot list-things
 ```
 create certificate and keys:
 ```
-aws iot create-keys-and-certificate --set-as-active --certificate-pem-outfile cert.pem --public-key-outfile publicKey.pem --private-key-outfile privkey.pem
+aws iot create-keys-and-certificate --set-as-active --certificate-pem-outfile myThingName.cert.pem --public-key-outfile myThingName.public.key --private-key-outfile myThingName.private.key
 ```
 take note of the **certificate-arn** in the output or, if you forgot to copy the **certificate-arn** you can get it listing the certificates with:
 ```
 aws iot list-certificates
 ```
-download root certificate from [this URL](https://www.symantec.com/content/en/us/enterprise/verisign/roots/VeriSign-Class%203-Public-Primary-Certification-Authority-G5.pem) using your browser and save it with filename: **aws-iot-rootCA.crt**
+Download root certificate from [this URL](https://www.amazontrust.com/repository/AmazonRootCA1.pem) using your browser and save it with filename: **AmazonRootCA1.pem**
 
 create a policy from the file provided:
 ```

awsiotpub.py

@@ -38,9 +38,9 @@ def on_message(client, userdata, msg):
 awsport = 8883
 clientId = "myThingName"
 thingName = "myThingName"
-caPath = "aws-iot-rootCA.crt"
-certPath = "cert.pem"
-keyPath = "privkey.pem"
+caPath = "AmazonRootCA1.pem"
+certPath = "myThingName.cert.pem"
+keyPath = "myThingName.private.key"
 
 mqttc.tls_set(caPath, certfile=certPath, keyfile=keyPath, cert_reqs=ssl.CERT_REQUIRED, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)
 

awsiotsub.py

@@ -35,9 +35,9 @@ def on_message(client, userdata, msg):
 awsport = 8883
 clientId = "myThingName"
 thingName = "myThingName"
-caPath = "aws-iot-rootCA.crt"
-certPath = "cert.pem"
-keyPath = "privkey.pem"
+caPath = "AmazonRootCA1.pem"
+certPath = "myThingName.cert.pem"
+keyPath = "myThingName.private.key"
 
 mqttc.tls_set(caPath, certfile=certPath, keyfile=keyPath, cert_reqs=ssl.CERT_REQUIRED, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)