':param X509Store store: The certificates which will be trusted for the
purposes of any verifications.
:param X509 certificate: The certificate to be verified.'

def __init__(self, store, certificate):

    store_ctx = _lib.X509_STORE_CTX_new()
    self._store_ctx = _ffi.gc(store_ctx, _lib.X509_STORE_CTX_free)
    self._store = store
    self._cert = certificate
    self._init()
