diff --git a/tf_config/fvp-tbb-mbedtls-rsa-ecdsa-with-ecdsa-rotpk-rsa-cert b/tf_config/fvp-tbb-mbedtls-rsa-ecdsa-with-ecdsa-rotpk-rsa-cert
new file mode 100644
index 0000000..45d3d16
--- /dev/null
+++ b/tf_config/fvp-tbb-mbedtls-rsa-ecdsa-with-ecdsa-rotpk-rsa-cert
@@ -0,0 +1,10 @@
+ARM_ROTPK_LOCATION=devel_ecdsa
+CROSS_COMPILE=aarch64-none-elf-
+ENABLE_ASSERTIONS=0
+GENERATE_COT=1
+KEY_ALG=rsa
+LOG_LEVEL=20
+PLAT=fvp
+ROT_KEY=plat/arm/board/common/rotpk/arm_rotprivk_ecdsa.pem
+TF_MBEDTLS_KEY_ALG=rsa+ecdsa
+TRUSTED_BOARD_BOOT=1