def seed(data, entropy=None):
    """
        Seeds random generator with data.
        If entropy is not None, it should be floating point(double)
        value estimating amount of entropy  in the data (in bytes).
    """
    if not isinstance(data, bintype):
        raise TypeError("A string is expected")
    ptr = c_char_p(data)
    size = len(data)
    if entropy is None:
        libcrypto.RAND_seed(ptr, size)
    else:
        libcrypto.RAND_add(ptr, size, entropy)
def seed ( data , entropy = None ) : if not isinstance ( data , bintype ) : raise TypeError ( "A string is expected" ) ptr = c_char_p ( data ) size = len ( data ) if entropy is None : libcrypto . RAND_seed ( ptr , size ) else : libcrypto . RAND_add ( ptr , size , entropy )
Seeds random generator with data.
        If entropy is not None, it should be floating point(double)
        value estimating amount of entropy  in the data (in bytes).