45.py 文件源码

def test_g_zero():
    # recursion limit :(
    sys.setrecursionlimit(2000)

    # generate signature
    m = "hello, world"
    h = int(sha1_hexdigest(m), 16)
    S = DSA_signer(g = 0)
    r, s = S.DSA_sign(h)

    # verify signature
    V = DSA_verifier(g = 0)
    print V.verify(S, r, s, h)

    forged_signature = "omgwtfbbq"
    h = int(sha1_hexdigest(forged_signature), 16)
    print V.verify(S, r, s, h)