From 783b21bb9ff3770851a634e5c18eb77384ba7e0b Mon Sep 17 00:00:00 2001
From: Nick Dunklee <nick@dunklee.org>
Date: Thu, 23 Jul 2026 14:02:34 -0600
Subject: [PATCH] Global nrf52 hardware crypto, removed from individual configs

Select nodes had this flag enabled, testing by the community
and hardware specs indicate this can be enabled global for all
node types using this chipset.

Any nodes down the line that may be quirky can be individually
disabled with `-U USE_CC310_HW_CRYPTO`.
---
 platformio.ini                      | 1 +
 variants/heltec_t096/platformio.ini | 1 -
 variants/rak3401/platformio.ini     | 1 -
 variants/rak4631/platformio.ini     | 1 -
 variants/t1000-e/platformio.ini     | 1 -
 5 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index f3ada1338..c32549405 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -91,6 +91,7 @@ build_flags = ${arduino_base.build_flags}
   -D NRF52_PLATFORM
   -D LFS_NO_ASSERT=1
   -D EXTRAFS=1
+  -D USE_CC310_HW_CRYPTO=1
 lib_deps =
   ${arduino_base.lib_deps}
   https://github.com/oltaco/CustomLFS#0.2.2
diff --git a/variants/heltec_t096/platformio.ini b/variants/heltec_t096/platformio.ini
index 2f440e837..0a062f00b 100644
--- a/variants/heltec_t096/platformio.ini
+++ b/variants/heltec_t096/platformio.ini
@@ -29,7 +29,6 @@ build_flags = ${nrf52_base.build_flags}
   -D SX126X_DIO3_TCXO_VOLTAGE=1.8
   -D SX126X_CURRENT_LIMIT=140
   -D SX126X_RX_BOOSTED_GAIN=1
-  -D USE_CC310_HW_CRYPTO=1
   -D PIN_VEXT_EN=26   ; Vext is connected to VDD which is also connected to TFT & GPS
   -D PIN_VEXT_EN_ACTIVE=HIGH
   -D PIN_GPS_RX=25
diff --git a/variants/rak3401/platformio.ini b/variants/rak3401/platformio.ini
index ea53b2dc5..20a8a548b 100644
--- a/variants/rak3401/platformio.ini
+++ b/variants/rak3401/platformio.ini
@@ -13,7 +13,6 @@ build_flags = ${nrf52_base.build_flags}
   -D SX126X_CURRENT_LIMIT=140
   -D SX126X_RX_BOOSTED_GAIN=1
   -D SX126X_REGISTER_PATCH=1       ; Patch register 0x8B5 for improved RX with SKY66122 FEM
-  -D USE_CC310_HW_CRYPTO=1
 build_src_filter = ${nrf52_base.build_src_filter}
   +<../variants/rak3401>
   +<helpers/sensors>
diff --git a/variants/rak4631/platformio.ini b/variants/rak4631/platformio.ini
index 58055ab45..31b507b4c 100644
--- a/variants/rak4631/platformio.ini
+++ b/variants/rak4631/platformio.ini
@@ -22,7 +22,6 @@ build_flags = ${nrf52_base.build_flags}
   -D LORA_TX_POWER=22
   -D SX126X_CURRENT_LIMIT=140
   -D SX126X_RX_BOOSTED_GAIN=1
-  -D USE_CC310_HW_CRYPTO=1
   -D ENV_INCLUDE_RAK12035=1
   -UENV_INCLUDE_BME680
   -D ENV_INCLUDE_BME680_BSEC=1
diff --git a/variants/t1000-e/platformio.ini b/variants/t1000-e/platformio.ini
index d5e3bb535..43a3d93f6 100644
--- a/variants/t1000-e/platformio.ini
+++ b/variants/t1000-e/platformio.ini
@@ -18,7 +18,6 @@ build_flags = ${nrf52_base.build_flags}
   -D LORA_TX_POWER=22
   -D RF_SWITCH_TABLE
   -D RX_BOOSTED_GAIN=true
-  -D USE_CC310_HW_CRYPTO=1
   -D P_LORA_BUSY=7 ; P0.7
   -D P_LORA_SCLK=11 ; P0.11
   -D P_LORA_NSS=12 ; P0.12