fix(intel): fix fcs_client crashed when increased param size
No overflow buffer checking for param size. There is a security threat.
Update code to check for param size according to cryto param mode.
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Change-Id: I37a2d047edd9ff835b3f0986d85309c402887bef
diff --git a/plat/intel/soc/common/include/socfpga_fcs.h b/plat/intel/soc/common/include/socfpga_fcs.h
index 893551d..91e0036 100644
--- a/plat/intel/soc/common/include/socfpga_fcs.h
+++ b/plat/intel/soc/common/include/socfpga_fcs.h
@@ -84,6 +84,14 @@
#define FCS_ECDSA_HASH_SIGN_CMD_MAX_WORD_SIZE 17U
#define FCS_ECDSA_HASH_SIG_VERIFY_CMD_MAX_WORD_SIZE 52U
#define FCS_ECDH_REQUEST_CMD_MAX_WORD_SIZE 29U
+
+#define FCS_CRYPTO_ECB_BUFFER_SIZE 12U
+#define FCS_CRYPTO_CBC_CTR_BUFFER_SIZE 28U
+#define FCS_CRYPTO_BLOCK_MODE_MASK 0x07
+#define FCS_CRYPTO_ECB_MODE 0x00
+#define FCS_CRYPTO_CBC_MODE 0x01
+#define FCS_CRYPTO_CTR_MODE 0x02
+
/* FCS Payload Structure */
typedef struct fcs_rng_payload_t {
uint32_t session_id;