一个简单的KeygenMe，无壳无花C++，对称算法

M3351AN

如图所示，难度应该不算大，欢迎大家尝试，大佬们手下留情


一个在线的keygen例子,国内访问可能比较慢
https://luv.tkm.icu/KeygenNov/

常辰

[C] 纯文本查看 复制代码

def inverse_transform3(s):
    result = ""
    for i in range(12):
        target = int(s[i])
        for char_val in range(ord('0'), ord('9') + 1):
            if (char_val - 0x29) * 3 % 10 == target:
                result += chr(char_val)
                break
    return result

def inverse_transform2(s):
    f = int(s[0:6])
    e = int(s[6:12])

    d = f ^ ((e * 0x1357 - 0x5433) & 0xFFFF) ^ 0x1234
    c = e ^ ((d * 0x2468 - 0x5433) & 0xFFFF) ^ 0x1234
    a = d ^ ((c * 0x3579 - 0x5433) & 0xFFFF) ^ 0x1234
    b = c ^ ((a * 0x4680 - 0x5433) & 0xFFFF) ^ 0x1234

    return f"{a:06d}{b:06d}"

def inverse_transform1(s):
    result = ""
    for i in range(12):
        target = int(s[i])
        for char_val in range(ord('0'), ord('9') + 1):
            if ((char_val - 0x30 - i + 10) * 7) % 10 == target:
                result += chr(char_val)
                break
    return result

Sev17teen

学习中.....................

to0716

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