Search found 6 matches
- Fri Aug 02, 2019 10:21 pm
- Forum: Hardware
- Topic: ESP32 stops working for no apparent reason in field
- Replies: 15
- Views: 19470
Re: ESP32 stops working for no apparent reason in field
Hi, I'm navigating similar waters. Just started the troubleshooting and 'reasons research'. I have 5 faulty units from 12 preliminary prototypes that are having similar issues as described here. I will post more information as soon I get it. Got all WROVER-16MB (with a mix of PCB and external anten...
- Sun Jul 28, 2019 11:13 am
- Forum: Hardware
- Topic: ESP32 stops working for no apparent reason in field
- Replies: 15
- Views: 19470
Re: ESP32 stops working for no apparent reason in field
Hi, I'm navigating similar waters. Just started the troubleshooting and 'reasons research'. I have 5 faulty units from 12 preliminary prototypes that are having similar issues as described here. I will post more information as soon I get it. Got all WROVER-16MB (with a mix of PCB and external antenn...
- Fri Jul 05, 2019 1:05 pm
- Forum: ESP-IDF
- Topic: Encrypted OTA + Flash Encryption + Secure Boot
- Replies: 11
- Views: 17374
Re: Encrypted OTA + Flash Encryption + Secure Boot
Thanks,
Great observations. I was balancing the pros and cons about an unique key per device.
Great observations. I was balancing the pros and cons about an unique key per device.
- Thu Jul 04, 2019 9:30 am
- Forum: ESP-IDF
- Topic: Encrypted OTA + Flash Encryption + Secure Boot
- Replies: 11
- Views: 17374
Re: Encrypted OTA + Flash Encryption + Secure Boot
Thanks so much ESP_Angus for your suggestions. Maybe I'm missing something here. What I did was: encrypt the firmware with the same key stored in flash (BLOCK1), upload to the remote server, then the ESP32 will download it using the OTA API modified. The only modification was to write to flash "as i...
- Wed Jul 03, 2019 4:26 pm
- Forum: ESP-IDF
- Topic: Encrypted OTA + Flash Encryption + Secure Boot
- Replies: 11
- Views: 17374
Re: Encrypted OTA + Flash Encryption + Secure Boot
Hi, Thanks for so quick response. I forgot to mention some details, I was too tired yesterday. Here are more details: Hardware: ESP32-WROVER-IB (16MB) dev v4.0-dev-1018-gbbafd5066 I went a little further yesterday and remove "temporarily" the lock/unlock SPI flash check. I know that is not the final...
- Tue Jul 02, 2019 5:38 pm
- Forum: ESP-IDF
- Topic: Encrypted OTA + Flash Encryption + Secure Boot
- Replies: 11
- Views: 17374
Encrypted OTA + Flash Encryption + Secure Boot
I have been working with the secure boot and flash encryption and OTA for the last days. All of them were working individually without issues (http and https OTA for about a year). I have several days with a problem with the OTA update and flash encryption. I have a huge pressure to release this sec...