diff --git a/drivers/auth/cryptocell/712/cryptocell_crypto.c b/drivers/auth/cryptocell/712/cryptocell_crypto.c
index 395c550..25eb6bc 100644
--- a/drivers/auth/cryptocell/712/cryptocell_crypto.c
+++ b/drivers/auth/cryptocell/712/cryptocell_crypto.c
@@ -225,7 +225,7 @@
 	/* Verify the signature */
 	error = CCSbVerifySignature((uintptr_t)PLAT_CRYPTOCELL_BASE,
 			(uint32_t *)data_ptr, &pk, &signature,
-			data_len, RSA_PSS_2048);
+			data_len, RSA_PSS);
 	if (error != CC_OK)
 		return CRYPTO_ERR_SIGNATURE;
 
diff --git a/drivers/auth/cryptocell/cryptocell_crypto.mk b/drivers/auth/cryptocell/cryptocell_crypto.mk
index d42a2e7..2fc4ddb 100644
--- a/drivers/auth/cryptocell/cryptocell_crypto.mk
+++ b/drivers/auth/cryptocell/cryptocell_crypto.mk
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -12,6 +12,8 @@
 # Needs to be set to drive mbed TLS configuration correctly
 $(eval $(call add_define,TF_MBEDTLS_KEY_ALG_ID))
 
+$(eval $(call add_define,KEY_SIZE))
+
 # CCSBROM_LIB_PATH must be set to the Cryptocell SBROM library path
 ifeq (${CCSBROM_LIB_PATH},)
   $(error Error: CCSBROM_LIB_PATH not set)