def t(kl, bl):
    b = ('b' * bl)
    r = rijndael(('a' * kl), bl)
    assert (r.decrypt(r.encrypt(b)) == b)
def t(kl, bl):
    b = ('b' * bl)
    r = rijndael(('a' * kl), bl)
    assert (r.decrypt(r.encrypt(b)) == b)