diff --git a/tf_config/fvp-tbb-mbedtls-full-dev-ecdsa-p256-key b/tf_config/fvp-tbb-mbedtls-full-dev-ecdsa-p256-key
new file mode 100644
index 0000000..c79d39f
--- /dev/null
+++ b/tf_config/fvp-tbb-mbedtls-full-dev-ecdsa-p256-key
@@ -0,0 +1,7 @@
+ARM_ROTPK_LOCATION=devel_full_dev_ecdsa_key
+CROSS_COMPILE=aarch64-none-elf-
+GENERATE_COT=1
+KEY_ALG=ecdsa
+PLAT=fvp
+ROT_KEY=plat/arm/board/common/rotpk/arm_rotprivk_ecdsa.pem
+TRUSTED_BOARD_BOOT=1