新Python项目：替换式密码

2021-6-29 2:34

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本文最后更新于 1243 天前，其中的信息可能已经有所发展或是发生改变。

2022 Update：警示后人：不查自带函数的后果很严重！ 额…发现可以把文字转码后+1/-1来实现

最近我才学定义函数，写了一个替换式密码小程序。

1.替换式密码.py

这个程序是可以被调用的，一共有两个函数，分别是jiami”(加密）jiemi（解密）。jiami调用时传入两个参数，第一个是明文，第二个是移位值，传回密文。jiemi调用时也传入两个参数，第一个是密文，第二个是移位值，传回明文。

# 文件名：替换式密码.py

# 包括两个函数



def jiami(ming, yi):

    mi = ""

    ming_old_list = list(ming)

    ming = ""

    for y in range(0, yi):

        for i in ming_old_list:

            if i == "a":

                mi += "b"

            elif i == "A":

                mi += "B"



            elif i == "b":

                mi += "c"

            elif i == "B":

                mi += "C"



            elif i == "c":

                mi += "d"

            elif i == "C":

                mi += "D"



            elif i == "d":

                mi += "e"

            elif i == "D":

                mi += "E"



            elif i == "e":

                mi += "f"

            elif i == "E":

                mi += "F"



            elif i == "f":

                mi += "g"

            elif i == "F":

                mi += "G"



            elif i == "g":

                mi += "h"

            elif i == "G":

                mi += "H"



            elif i == "h":

                mi += "i"

            elif i == "H":

                mi += "I"



            elif i == "i":

                mi += "j"

            elif i == "I":

                mi += "J"



            elif i == "j":

                mi += "k"

            elif i == "J":

                mi += "K"



            elif i == "k":

                mi += "l"

            elif i == "K":

                mi += "L"



            elif i == "l":

                mi += "m"

            elif i == "L":

                mi += "M"



            elif i == "m":

                mi += "n"

            elif i == "M":

                mi += "N"



            elif i == "n":

                mi += "o"

            elif i == "N":

                mi += "O"



            elif i == "o":

                mi += "p"

            elif i == "O":

                mi += "P"



            elif i == "p":

                mi += "q"

            elif i == "P":

                mi += "Q"



            elif i == "q":

                mi += "r"

            elif i == "Q":

                mi += "R"



            elif i == "r":

                mi += "s"

            elif i == "R":

                mi += "S"



            elif i == "s":

                mi += "t"

            elif i == "S":

                mi += "T"



            elif i == "t":

                mi += "u"

            elif i == "T":

                mi += "U"



            elif i == "u":

                mi += "v"

            elif i == "U":

                mi += "V"



            elif i == "v":

                mi += "w"

            elif i == "V":

                mi += "W"



            elif i == "w":

                mi += "x"

            elif i == "W":

                mi += "X"



            elif i == "x":

                mi += "y"

            elif i == "X":

                mi += "Y"



            elif i == "y":

                mi += "z"

            elif i == "Y":

                mi += "Z"



            elif i == "z":

                mi += "a"

            elif i == "Z":

                mi += "A"



            else:

                mi += i

        ming_old_list = list(mi)

        mi_str = mi

        mi = ""

    return mi_str





def jiemi(mi, yi):

    ming = ""

    mi_old_list = list(mi)

    mi = ""

    for y in range(0, yi):

        for i in mi_old_list:

            if i == "a":

                ming += "z"

            elif i == "A":

                ming += "Z"



            elif i == "b":

                ming += "a"

            elif i == "B":

                ming += "A"



            elif i == "c":

                ming += "b"

            elif i == "C":

                ming += "B"



            elif i == "d":

                ming += "c"

            elif i == "D":

                ming += "C"



            elif i == "e":

                ming += "d"

            elif i == "E":

                ming += "D"



            elif i == "f":

                ming += "e"

            elif i == "F":

                ming += "E"



            elif i == "g":

                ming += "f"

            elif i == "G":

                ming += "F"



            elif i == "h":

                ming += "g"

            elif i == "H":

                ming += "G"



            elif i == "i":

                ming += "h"

            elif i == "I":

                ming += "H"



            elif i == "j":

                ming += "i"

            elif i == "J":

                ming += "I"



            elif i == "k":

                ming += "j"

            elif i == "K":

                ming += "J"



            elif i == "l":

                ming += "k"

            elif i == "L":

                ming += "K"



            elif i == "m":

                ming += "l"

            elif i == "M":

                ming += "L"



            elif i == "n":

                ming += "m"

            elif i == "N":

                ming += "M"



            elif i == "o":

                ming += "n"

            elif i == "O":

                ming += "N"



            elif i == "p":

                ming += "o"

            elif i == "P":

                ming += "O"



            elif i == "q":

                ming += "p"

            elif i == "Q":

                ming += "P"



            elif i == "r":

                ming += "q"

            elif i == "R":

                ming += "Q"



            elif i == "s":

                ming += "r"

            elif i == "S":

                ming += "R"



            elif i == "t":

                ming += "s"

            elif i == "T":

                ming += "S"



            elif i == "u":

                ming += "t"

            elif i == "U":

                ming += "T"



            elif i == "v":

                ming += "u"

            elif i == "V":

                ming += "U"



            elif i == "w":

                ming += "v"

            elif i == "W":

                ming += "V"



            elif i == "x":

                ming += "w"

            elif i == "X":

                ming += "W"



            elif i == "y":

                ming += "x"

            elif i == "Y":

                ming += "X"



            elif i == "z":

                ming += "y"

            elif i == "Z":

                ming += "Y"



            else:

                ming += i

        mi_old_list = list(ming)

        ming_str = ming

        ming = ""

    return ming_str

2.文本替换式加解密.py

这个Python程序可以引导你加/解密

运行效果

代码来喽！

# 依赖替换式密码

# 文件名：文本替换式加解密.py



import 替换式密码



while True:

    print("欢迎使用文本加解密APP！")

    print("(1)加密 （2）解密  输入其他内容退出")

    m = input("请输入：")

    if m == "1":

        ming = input("请输入明文：")

        while True:

            try:

                yi = int(input("请输入移位值："))

            except ValueError:

                print("请输入数字！")

            else:

                break

        print("密文为：{a638d642d867b568c1aede4e6cc48965ba83a47abef8f643eb9348429a71096e}s\n" {a638d642d867b568c1aede4e6cc48965ba83a47abef8f643eb9348429a71096e} (替换式密码.jiami(ming, yi)))



    elif m == "2":

        mi = input("请输入密文：")

        while True:

            try:

                yi = int(input("请输入移位值："))

            except ValueError:

                print("请输入数字！")

            else:

                break

        print("明文为：{a638d642d867b568c1aede4e6cc48965ba83a47abef8f643eb9348429a71096e}s\n" {a638d642d867b568c1aede4e6cc48965ba83a47abef8f643eb9348429a71096e} (替换式密码.jiemi(mi, yi)))



    else:

        break

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