Search found 22 matches

by Abhiram
Tue Sep 19, 2017 4:19 am
Forum: ESP32 IDF
Topic: Compiler Flags - fstack-protector-strong and pie
Replies: 1
Views: 1048

Compiler Flags - fstack-protector-strong and pie

Hello all I am trying to compile using some gcc security CFlags like fstack-protector-strong , -pie flags , added them manually at project.mk. But getting dangerous relocation: dynamic relocation in read-only section. Can you help me out on how to enable these flags. Can it be enabled ? CFLAGS += -f...
by Abhiram
Fri Sep 08, 2017 6:00 am
Forum: ESP32 IDF
Topic: ESP32 Security - Scalable ?
Replies: 0
Views: 852

ESP32 Security - Scalable ?

Hi All, I have a query regarding ESP32 security : I am clear that there is good support for Secure boot and Flash encryption. Hardware efuses are provided to make keys inaccessible to outside world. However i wanted to know if I need to scale these features to say 50 or 100 devices. In that case Do ...
by Abhiram
Wed Aug 30, 2017 3:38 am
Forum: ESP32 IDF
Topic: Regarding Flash Encryption
Replies: 3
Views: 1703

Re: Regarding Flash Encryption

Thanks a lot ESP_Angus.
It became much clearer to me with your detailed explanation.

Best Regards
Abhiram
by Abhiram
Tue Aug 29, 2017 12:20 pm
Forum: ESP32 IDF
Topic: Regarding Flash Encryption
Replies: 3
Views: 1703

Re: Regarding Flash Encryption - Key --force-write-always

Further to my above study , Flash encryption with Pre-generated Keys I was able to flash with key generated and see flash encryption enabled. I had used the command espefuse.py --port PORT burn_key --no-protect-key --force-write-always flash_encryption my_flash_encryption_key.bin since --no-protect-...
by Abhiram
Tue Aug 29, 2017 6:25 am
Forum: ESP32 IDF
Topic: Regarding Flash Encryption
Replies: 3
Views: 1703

Regarding Flash Encryption

In Pre-generated key Flash encryption I have few queries below : request help in understanding the same : At broad level following are the steps I need to follow : Please correct me If I am wrong 1. Pre -generate Key using the script at esptool folder espsecure.py 2. Burning Flash encryption key Can...
by Abhiram
Wed Aug 16, 2017 7:41 am
Forum: ESP32 IDF
Topic: NVS Encryption Decryption
Replies: 3
Views: 1428

Re: NVS Encryption Decryption

Thanks tobewinner for your response
Can it be confirmed by Admin or Espressif ?

Thanks
Abhiram
by Abhiram
Wed Aug 16, 2017 6:27 am
Forum: ESP32 IDF
Topic: NVS Encryption Decryption
Replies: 3
Views: 1428

NVS Encryption Decryption

Hi all , I need to store few Data structures in NVS area Encrypted. I could understand from Forum and ESP32 docs that Flash encryption is supported. Can I do Encryption / Decryption only for NVS area with out enabling Flash encryption. If so what is the way to store my Key - Value pairs with encrypt...
by Abhiram
Tue Aug 08, 2017 3:37 am
Forum: ESP32 IDF
Topic: API to know if my BLE is currently connected / paired or not
Replies: 2
Views: 1158

Re: API to know if my BLE is currently connected / paired or not

Thanks Kolban,
Yes ..even I was coming to same conclusion.
by Abhiram
Mon Aug 07, 2017 8:26 am
Forum: ESP32 IDF
Topic: API to know if my BLE is currently connected / paired or not
Replies: 2
Views: 1158

API to know if my BLE is currently connected / paired or not

Hi All

I would request Forums help in letting me know if there is an ESP32 API to know if BLE is CONNECTED or Paired to other device or not.
Thanks for help!

Regards
Abhiram
by Abhiram
Tue Jul 25, 2017 8:17 am
Forum: ESP32 IDF
Topic: BLE Low Power Mode
Replies: 1
Views: 1314

BLE Low Power Mode

Hi All,

Currently My BLE GATTS Server is configured in BT_DM mode and is consuming more power. when I change the mode to BLE, BT Controller Failed for initialisation.
Kindly request Forum to help me on how I could enable Low Power Mode ?
If it is not available right now when it is expected ?

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