Hi, I have an hl7810 modem and try to have aws iot connection. I think I need a help to write certs, I did like this: As u know when U create a thing on the aws iot, it will give you 2 root(ca1 and ca2) certs and 3 different certs ( public, private and dev pem certs). How many of them should I u…

I sorted out the issue : here is the issue: it seems None of the default chipper suit config is suitable to get mqtt connection. To have it I needed to set a custom cipher suit with different Authentication. I set the 3 — Mutual authentication and then worked for me. this is the complete config …

@jyijyi , I just wanted to go through your instructions there again, You can just use AT+KCERTSTORE=0 are you sure this works now? because when I send that command, after “connect” print terminal stuck there I sent AmazonRootCA1.pem but still nothing else I got, only I can see “connect” print o…

now it is ok ending by ,+++, I am trying to send now getting this error: CONNECT +CME ERROR: 930 but if I specify number if byte AT+KCERTSTORE=0,1188,0 then no error: get ok respond

a219aa9ffd3cc7fcfddfd49ab6e7e3ee9e9c88b8ff097c3b9a9aebe6cc2274e1-private.pem.zip (3.7 KB) here are my certs.

I: ran AT&k3 TERRA term settings: [image]

how about testing this cert first? [image] HL7802 AT+KCERTSTORE error HL78 You need to use tera term with hardware flow control. When you send the file in tera term, choose file → send file → click “binary” box" → choose the cert to send. [image] in module, type AT&k3…

there is no problem, this cert file loaded succesfully.

Ok What did I notice: I have added a new line end of the cert then it work, I got ok command but Im not sure if this is the correct way or not. rootca1.pem before: [image] after: [image] after works for me. this is the your file: cert.crt [image]

What is the equivalent Cipher Suite Configuration for AWS certs? this is my TCP config: AT+KTCPCFG? +KTCPCFG: 1,0,1,3,“54.246.168.82”,8883,63562,0,0,0,6,0 this is what I generated on the aws: Root CA 1 RSA 2048 bit key [image] this is my crypto ciphers: AT+KSSLCRYPTO? +KSSLCRYPTO: 0,8,3,25392…

do you mean it can connect to google server but not with your AWS server? [image] Tls hl7800 4.6.9.4 HL78 Hello @jerdung , I just removed the OK response (I merge 2 separate terminal to display both side of the serial). There is no issue for that. I tried a dummy client…

HL7810, MQTT Certs and ERROR code 907

IoT Modules Legacy HL Series

jyijyi October 30, 2023, 11:48am 12

how about testing this cert first?

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HL7810, MQTT Certs and ERROR code 907

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