phoebus.py 文件源码

def sign_message(modulus, base, order, key, message):
    while 1:
        w = number.getRandomRange(3, order)
        r = pow(base, w, modulus) % order
        w = number.inverse(w, order)
        s = w * (message + r*key)
        if s != 0:
            break
    return {'r': r, 's': s, 'm': message}