Search found 23 matches

by k.ifantidis
Sat Feb 16, 2019 2:43 pm
Forum: ESP32 IDF
Topic: What if Flash Encryption and Secure Boot goes wrong ??
Replies: 2
Views: 317

Re: What if Flash Encryption and Secure Boot goes wrong ??

Thank you a lot Angus for the quick response. I'm going to study more these days about the topic.

Best regards, Kostas.
by k.ifantidis
Thu Feb 14, 2019 3:04 pm
Forum: ESP32 IDF
Topic: What if Flash Encryption and Secure Boot goes wrong ??
Replies: 2
Views: 317

What if Flash Encryption and Secure Boot goes wrong ??

Hello there. I'm studying Flash Encryption and security features about ESP32 in esp-idf sdk. I would like to know if it's possible to use "make erase_flash" after enabling the encryption and all other features like secureboot, signed app images, partitions etc in order to restore the flash and flash...
by k.ifantidis
Thu Feb 14, 2019 2:26 pm
Forum: ESP32 IDF
Topic: simple_ota_example
Replies: 6
Views: 540

Re: simple_ota_example

That's probably the reason. I had also same problem at the beginning and when the tech fixed the server that I was using everything was working. You can also use wget program to test downloading the file.


Regards, Kostas.
by k.ifantidis
Fri Jan 18, 2019 7:31 am
Forum: ESP32 IDF
Topic: OTA WITH HTTPS + MUTUAL AUTHENTICATION
Replies: 0
Views: 292

OTA WITH HTTPS + MUTUAL AUTHENTICATION

Hello there. I would like to know if there is a way to achieve OTA update via SSL + Mutual authentication. The esp_https_ota command doesn't include mutual authentication configurations. Here is a link of a commit that upgrades the esp_http_client: esp-idf pull 2688 I haven't tested it out yet but I...
by k.ifantidis
Fri Nov 16, 2018 8:39 am
Forum: ESP32 IDF
Topic: HTTPS OTA with Basic Authorization
Replies: 11
Views: 1681

Re: HTTPS OTA with Basic Authorization

Hello mr.Dzhest.
I believe that you are right !! I'll test it later when I'll deal with OTA and when I get the results I'll let you know in this post.

Best regards, Kostas
by k.ifantidis
Thu Nov 15, 2018 5:36 am
Forum: ESP32 IDF
Topic: HTTPS OTA with Basic Authorization
Replies: 11
Views: 1681

Re: HTTPS OTA with Basic Authorization

Thanks for your fast and accurate replies. I would like to ask a last thing and I'm done with questions :-) Isn't it possible for someone to recreate ASM code from the OTA binary downloaded file with a disassembler ? I need to avoid someone getting his hands on my code also due to sensitive data may...
by k.ifantidis
Wed Nov 14, 2018 12:16 pm
Forum: ESP32 IDF
Topic: cant accept path in ota example
Replies: 9
Views: 1226

Re: cant accept path in ota example

Hello burkulesomesh43. I think there is no need to use "dns_gethostbyname() api to resolve IP" . I'm using directly the url of the path and I have success in downloading the OTA just fine. For example .url= "https://example.com/take/ota.bin" If CA cert pem files and all other stuff are ok, I don't t...
by k.ifantidis
Wed Nov 14, 2018 12:10 pm
Forum: ESP32 IDF
Topic: HTTPS OTA with Basic Authorization
Replies: 11
Views: 1681

Re: HTTPS OTA with Basic Authorization

Thank you both for your answers. I have to check the received data in order to see what's going on. I'm developing FW for a customer of mine and I'm looking for a way to secure my OTA from attackers, copiers etc. I've read already Flash encryption and Secure Boot but these things secure other stuff....
by k.ifantidis
Tue Nov 13, 2018 6:39 am
Forum: ESP32 IDF
Topic: HTTPS OTA with Basic Authorization
Replies: 11
Views: 1681

Re: HTTPS OTA with Basic Authorization

Hello Tom,
Have you found out anything about basic authorization ?! I'm trying to do the same thing as you but all I get is the error with "wrong magic number" (see img attached). Could you point me to the right direction if you have found out anything ?

Best regards, Kostas.
by k.ifantidis
Fri Nov 09, 2018 8:27 am
Forum: ESP32 IDF
Topic: ESP32 resets while deleting task from another task
Replies: 11
Views: 1583

Re: ESP32 resets while deleting task from another task

Hello there. I've been studying esp-idf FreeRTOS recently. You can read this in order to get an answer.


Regards, Kostas

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