Search found 4 matches

by Haptesthai
Sun Jun 28, 2020 4:15 pm
Forum: ESP-IDF
Topic: Flash is too slow
Replies: 3
Views: 8641

Re: Flash is too slow

It is possible to install and enable ccache in order to speed up builds of source files that turn out to be the same. This can be enabled on the command line or by setting an environment variable when using the CMake-based build system in ESP-IDF V4.0 and newer: https://docs.espressif.com/projects/...
by Haptesthai
Tue Jun 23, 2020 11:35 pm
Forum: Hardware
Topic: How is the flash encryption key stored?
Replies: 2
Views: 5942

Re: How is the flash encryption key stored?

Sorry I couldn't reply earlier. Thanks for the clarification, makes more sense now.
by Haptesthai
Tue Jun 23, 2020 11:31 pm
Forum: ESP-IDF
Topic: Flash is too slow
Replies: 3
Views: 8641

Flash is too slow

Hi, I have recently converted to ESP-IDF from the ADF, and trying to get over the overwhelming feeling. :) I realised two things, however. The first is that, I now seem to be able to flash programs much slower than the Arduino IDE. I tried replacing the IDF's esptool.py with the one I found to see i...
by Haptesthai
Fri Jun 12, 2020 9:34 pm
Forum: Hardware
Topic: How is the flash encryption key stored?
Replies: 2
Views: 5942

How is the flash encryption key stored?

Hi, I am trying to wrap my head around flash encryption reading the documentation. My understanding is that the ESP32 hardware AES engine generates an encryption key (symmetric encryption, I suppose?) which is stored inside the chip on eFuses in an unmodifiable way. Is this correct? What I don't und...