utc=UTC()
 
-__all__ = ['X509Error','X509Name','X509Store','StackOfX509']
+__all__ = ['X509','X509Error','X509Name','X509Store','StackOfX509']
 
 class _validity(Structure):
        """ ctypes representation of X509_VAL structure 
        def pubkey(self):
                """EVP PKEy object of certificate public key"""
                return PKey(ptr=libcrypto.X509_get_pubkey(self.cert,False))
+       def pem(self):
+               """ Returns PEM represntation of the certificate """
+               b=Membio()
+               if libcrypto.PEM_write_bio_X509(b.bio,self.cert)==0:
+                       raise X509Error("error serializing certificate")
+               return str(b)
        def verify(self,store=None,chain=[],key=None):  
                """ 
                Verify self. Supports verification on both X509 store object 
                libcrypto.sk_push(self.ptr,libcrypto.X509_dup(value.cert))
 libcrypto.i2a_ASN1_INTEGER.argtypes=(c_void_p,c_void_p)
 libcrypto.ASN1_STRING_print_ex.argtypes=(c_void_p,c_void_p,c_long)
+libcrypto.PEM_read_bio_X509.restype=c_void_p
+libcrypto.PEM_read_bio_X509.argtypes=(c_void_p,POINTER(c_void_p),c_void_p,c_void_p)
+libcrypto.PEM_write_bio_X509.restype=c_int
+libcrypto.PEM_write_bio_X509.argtypes=(c_void_p,c_void_p)
 libcrypto.ASN1_TIME_print.argtypes=(c_void_p,c_void_p)
 libcrypto.ASN1_INTEGER_get.argtypes=(c_void_p,)
 libcrypto.ASN1_INTEGER_get.restype=c_long
 
                c=X509(self.cert1)
                p=c.pubkey
                self.assertEqual(p.exportpub(),self.pubkey1)
+       def test_pem(self):
+               c=X509(self.cert1)
+               self.assertEqual(c.pem(),self.cert1)
        def test_subject(self):
                c=X509(self.cert1)
                self.assertEqual(unicode(c.subject),u'C=RU,ST=Москва,L=Москва,O=Частное лицо,CN=Виктор Вагнер')