Code Size of corePKCS11 (example generated with GCC for ARM Cortex-M) File With -O1 Optimization With -Os Optimization core_pkcs11.c 0.8K 0.7K core_pki_utils.c 0.5K 0.3K core_pkcs11_mbedtls.c 9.4K 7.7K Total estimates 10.7K 8.7K