src/OpenSSL/crypto.py
def gmtime_adj_notBefore(self, amount):
        """
        Adjust the timestamp on which the certificate starts being valid.

        :param amount: The number of seconds by which to adjust the timestamp.
        :return: ``None``
        """
        if not isinstance(amount, int):
            raise TypeError("amount must be an integer")

        notBefore = _lib.X509_get_notBefore(self._x509)
        _lib.X509_gmtime_adj(notBefore, amount)
def gmtime_adj_notBefore(self, amount):
        """
        Adjust the timestamp on which the certificate starts being valid.

        :param amount: The number of seconds by which to adjust the timestamp.
        :return: ``None``
        """
        if not isinstance(amount, int):
            raise TypeError("amount must be an integer")

        notBefore = _lib.X509_get_notBefore(self._x509)
        _lib.X509_gmtime_adj(notBefore, amount)
Adjust the timestamp on which the certificate starts being valid.

        :param amount: The number of seconds by which to adjust the timestamp.
        :return: ``None``