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Updated AWS IoT (markdown)

s-hadinger 2019-08-04 21:22:42 +02:00
parent 918271b2d6
commit 446f85e128
1 changed files with 40 additions and 1 deletions
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41
AWS-IoT.md

@ -183,7 +183,7 @@ Type the following command:
```
TLSKey
xx:xx:xx MQT: stat/sonoff/RESULT = {"TLSKey1":-1,"TLSKey2":-1}
hh:mm:ss MQT: stat/sonoff/RESULT = {"TLSKey1":-1,"TLSKey2":-1}
```
If both values are `-1`, it means it does not contain any key.
@ -192,6 +192,45 @@ If you need to reset the key store, use the command `TLSKey 0`.
#### b. Convert the Private Key
We will extract the 32 bytes Private key from `tasmota-01.key` generated above.
Simple method, use the following command: (fake key below)
`openssl ec -in tasmota-01.key -inform PEM -outform DER | openssl asn1parse -inform DER | head -3 | tail -1 | awk -F':' '{ print $4 }' | xxd -r -p | base64 | echo "TLSKey1 $(</dev/stdin)"`
Example:
```
openssl ec -in tasmota-01.key -inform PEM -outform DER | openssl asn1parse -inform DER | head -3 | tail -1 | awk -F':' '{ print $4 }' | xxd -r -p | base64 | echo "TLSKey1 $(</dev/stdin)"
read EC key
writing EC key
TLSKey1 UvBgyCuPr/lKSgwumf/8o/mIsKQPBHn3ZZAGZl4ui9E=
```
Cut and paste the command starting with `TLSKey1 ...` into the Tasmota Web Console or through MQTT.
```
hh:mm:ss CMD: TLSKey1 UvBgyCuPr/lKSgwumf/8o/mIsKQPBHn3ZZAGZl4ui9E=
hh:mm:ss MQT: stat/sonoff/RESULT = {"TLSKey1":32,"TLSKey2":-1}
```
If it does not work, use the following:
```
openssl ec -in tasmota-01.key -inform PEM -outform DER | openssl asn1parse -inform DER
read EC key
writing EC key
0:d=0 hl=2 l= 119 cons: SEQUENCE
2:d=1 hl=2 l= 1 prim: INTEGER :01
5:d=1 hl=2 l= 32 prim: OCTET STRING [HEX DUMP]:52F060C82B8FAFF94A4A0C2E99FFFCA3F988B0A40F0479F7659006665E2E8BD1
39:d=1 hl=2 l= 10 cons: cont [ 0 ]
41:d=2 hl=2 l= 8 prim: OBJECT :prime256v1
51:d=1 hl=2 l= 68 cons: cont [ 1 ]
53:d=2 hl=2 l= 66 prim: BIT STRING
```
Then convert the byte stream after `[HEX DUMP]` to base64 and use it with the `TLSKey1` command.
### Step 9. Configure Tasmota device
This is the last step, you need to configure the MQTT parameters. The easiest way is through the web console.