OBJ_pkcs7
#define OBJ_pkcs7_data OBJ_pkcs7,1L
#define OBJ_pkcs7_signed OBJ_pkcs7,2L
#define OBJ_pkcs7_enveloped OBJ_pkcs7,3L
#define OBJ_pkcs7_signedAndEnveloped OBJ_pkcs7,4L
#define OBJ_pkcs7_digest OBJ_pkcs7,5L
#define OBJ_pkcs7_encrypted OBJ_pkcs7,6L