- Added code to clear temporary variable on the stack before exiting the

trng_get_bytes;
- Removed lp ticker as it does not satisfy the requirements of the lp
timer.

Author: dave-wu

targets/TARGET_Analog_Devices/TARGET_ADUCM4X50/TARGET_ADUCM4050/api/lp_ticker_api.c

@@ -110,6 +110,9 @@ int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_l
 
         // Save the output
 		output[i] = (uint8_t)(nRandomNum & 0xFF);
+        
+        // Clear the nRandomNum variable for security purposes
+        nRandomNum = 0;
     }
 
     *output_length = length;

targets/TARGET_Analog_Devices/TARGET_ADUCM4X50/TARGET_ADUCM4050/api/trng_api.c

@@ -618,7 +618,7 @@
         "supported_toolchains": ["ARM", "GCC_ARM", "IAR"],
         "macros": ["__ADUCM4050__", "EV_COG_AD4050LZ"],
         "extra_labels": ["Analog_Devices", "ADUCM4X50", "ADUCM4050", "EV_COG_AD4050LZ", "FLASH_CMSIS_ALGO"],
-        "device_has": ["SERIAL", "STDIO_MESSAGES", "TRNG", "SLEEP", "INTERRUPTIN", "LOWPOWERTIMER", "RTC", "SPI", "I2C", "FLASH", "ANALOGIN"],
+        "device_has": ["SERIAL", "STDIO_MESSAGES", "TRNG", "SLEEP", "INTERRUPTIN", "RTC", "SPI", "I2C", "FLASH", "ANALOGIN"],
         "device_name": "ADuCM4050",
         "detect_code": ["0603"],
         "release_versions": ["5"]