# define CMP_R_MISSING_KEY_USAGE_DIGITALSIGNATURE 142
# define CMP_R_MISSING_PRIVATE_KEY 131
# define CMP_R_MISSING_PROTECTION 143
+# define CMP_R_MISSING_REFERENCE_CERT 168
# define CMP_R_MISSING_SENDER_IDENTIFICATION 111
# define CMP_R_MISSING_TRUST_STORE 144
# define CMP_R_MULTIPLE_REQUESTS_NOT_SUPPORTED 161