OID_PKCS_7
#define OID_PKCS_7_Data OID_PKCS_7, 1
#define OID_PKCS_7_SignedData OID_PKCS_7, 2
#define OID_PKCS_7_EnvelopedData OID_PKCS_7, 3
#define OID_PKCS_7_SignedAndEnvelopedData OID_PKCS_7, 4
#define OID_PKCS_7_DigestedData OID_PKCS_7, 5
#define OID_PKCS_7_EncryptedData OID_PKCS_7, 6
#define OID_ContentInfo OID_PKCS_7, 0, 1