这个superMd5三十二位加密如何用python实现

pwp

[JavaScript] 纯文本查看 复制代码

/*
 '请注意文件编码，如果客户端的md5文件编码和服务器端的md5文件编码不一样，则加密出来的字符串不一样
 '修改:xilou 2080711
 '例子:
       'www.52pojie.cn'.MD5();//默认为16位加密
           'www.52pojie.cn'.MD5(32);//32位加密
*/
String.prototype.MD5 = function (bit) {
    var sMessage = this;

    function RotateLeft(lValue, iShiftBits) {
        return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
    }

    function AddUnsigned(lX, lY) {
        var lX4, lY4, lX8, lY8, lResult;
        lX8 = (lX & 0x80000000);
        lY8 = (lY & 0x80000000);
        lX4 = (lX & 0x40000000);
        lY4 = (lY & 0x40000000);
        lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
        if (lX4 & lY4) return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
        if (lX4 | lY4) {
            if (lResult & 0x40000000) return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
            else return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
        } else return (lResult ^ lX8 ^ lY8);
    }

    function F(x, y, z) {
        return (x & y) | ((~x) & z);
    }

    function G(x, y, z) {
        return (x & z) | (y & (~z));
    }

    function H(x, y, z) {
        return (x ^ y ^ z);
    }

    function I(x, y, z) {
        return (y ^ (x | (~z)));
    }

    function FF(a, b, c, d, x, s, ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
        return AddUnsigned(RotateLeft(a, s), b);
    }

    function GG(a, b, c, d, x, s, ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
        return AddUnsigned(RotateLeft(a, s), b);
    }

    function HH(a, b, c, d, x, s, ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
        return AddUnsigned(RotateLeft(a, s), b);
    }

    function II(a, b, c, d, x, s, ac) {
        a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
        return AddUnsigned(RotateLeft(a, s), b);
    }

    function ConvertToWordArray(sMessage) {
        var lWordCount;
        var lMessageLength = sMessage.length;
        var lNumberOfWords_temp1 = lMessageLength + 8;
        var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
        var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
        var lWordArray = Array(lNumberOfWords - 1);
        var lBytePosition = 0;
        var lByteCount = 0;
        while (lByteCount < lMessageLength) {
            lWordCount = (lByteCount - (lByteCount % 4)) / 4;
            lBytePosition = (lByteCount % 4) * 8;
            lWordArray[lWordCount] = (lWordArray[lWordCount] | (sMessage.charCodeAt(lByteCount) << lBytePosition));
            lByteCount++;
        }
        lWordCount = (lByteCount - (lByteCount % 4)) / 4;
        lBytePosition = (lByteCount % 4) * 8;
        lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
        lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
        lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
        return lWordArray;
    }

    function WordToHex(lValue) {
        var WordToHexValue = "",
            WordToHexValue_temp = "",
            lByte, lCount;
        for (lCount = 0; lCount <= 3; lCount++) {
            lByte = (lValue >>> (lCount * 8)) & 255;
            WordToHexValue_temp = "0" + lByte.toString(16);
            WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
        }
        return WordToHexValue;
    }
    var x = Array();
    var k, AA, BB, CC, DD, a, b, c, d
    var S11 = 7,
        S12 = 12,
        S13 = 17,
        S14 = 22;
    var S21 = 5,
        S22 = 9,
        S23 = 14,
        S24 = 20;
    var S31 = 4,
        S32 = 11,
        S33 = 16,
        S34 = 23;
    var S41 = 6,
        S42 = 10,
        S43 = 15,
        S44 = 21;
    // Steps 1 and 2. Append padding bits and length and convert to words 
    x = ConvertToWordArray(sMessage);
    // Step 3. Initialise 
    a = 0x67452301;
    b = 0xEFCDAB89;
    c = 0x98BADCFE;
    d = 0x10325476;
    // Step 4. Process the message in 16-word blocks 
    for (k = 0; k < x.length; k += 16) {
        AA = a;
        BB = b;
        CC = c;
        DD = d;
        a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
        d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
        c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
        b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
        a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
        d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
        c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
        b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
        a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
        d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
        c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
        b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
        a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
        d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
        c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
        b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
        a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
        d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
        c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
        b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
        a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
        d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
        c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
        b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
        a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
        d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
        c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
        b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
        a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
        d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
        c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
        b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
        a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
        d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
        c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
        b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
        a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
        d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
        c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
        b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
        a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
        d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
        c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
        b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
        a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
        d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
        c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
        b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
        a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
        d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
        c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
        b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
        a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
        d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
        c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
        b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
        a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
        d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
        c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
        b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
        a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
        d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
        c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
        b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
        a = AddUnsigned(a, AA);
        b = AddUnsigned(b, BB);
        c = AddUnsigned(c, CC);
        d = AddUnsigned(d, DD);
    }
    if (bit == 32) {
        return WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);
    } else {
        return WordToHex(b) + WordToHex(c);
    }
}

pwp

123456￡¬¡￡fdjf,jkgfkl

加密后
80fba977d063a6f7262a8a9c95f61140

pwp

[Python] 纯文本查看 复制代码

# -*- codeding = uft-8 -*-

def int2bin(n, count=24):
    return "".join([str((n >> y) & 1) for y in range(count-1, -1, -1)])

class MD5(object):
    # 初始化密文
    def __init__(self, message):
        self.message = message
        self.ciphertext = ""

        self.A = 0x67452301
        self.B = 0xEFCDAB89
        self.C = 0x98BADCFE
        self.D = 0x10325476
        self.init_A = 0x67452301
        self.init_B = 0xEFCDAB89
        self.init_C = 0x98BADCFE
        self.init_D = 0x10325476
        '''
        self.A = 0x01234567
        self.B = 0x89ABCDEF
        self.C = 0xFEDCBA98
        self.D = 0x76543210
         '''
        #设置常数表T
        self.T = [0xD76AA478,0xE8C7B756,0x242070DB,0xC1BDCEEE,0xF57C0FAF,0x4787C62A,0xA8304613,0xFD469501,
                    0x698098D8,0x8B44F7AF,0xFFFF5BB1,0x895CD7BE,0x6B901122,0xFD987193,0xA679438E,0x49B40821,
                    0xF61E2562,0xC040B340,0x265E5A51,0xE9B6C7AA,0xD62F105D,0x02441453,0xD8A1E681,0xE7D3FBC8,
                    0x21E1CDE6,0xC33707D6,0xF4D50D87,0x455A14ED,0xA9E3E905,0xFCEFA3F8,0x676F02D9,0x8D2A4C8A,
                    0xFFFA3942,0x8771F681,0x6D9D6122,0xFDE5380C,0xA4BEEA44,0x4BDECFA9,0xF6BB4B60,0xBEBFBC70,
                    0x289B7EC6,0xEAA127FA,0xD4EF3085,0x04881D05,0xD9D4D039,0xE6DB99E5,0x1FA27CF8,0xC4AC5665,
                    0xF4292244,0x432AFF97,0xAB9423A7,0xFC93A039,0x655B59C3,0x8F0CCC92,0xFFEFF47D,0x85845DD1,
                    0x6FA87E4F,0xFE2CE6E0,0xA3014314,0x4E0811A1,0xF7537E82,0xBD3AF235,0x2AD7D2BB,0xEB86D391]
        #循环左移位数
        self.s = [7,12,17,22,7,12,17,22,7,12,17,22,7,12,17,22,
                    5,9,14,20,5,9,14,20,5,9,14,20,5,9,14,20,
                    4,11,16,23,4,11,16,23,4,11,16,23,4,11,16,23,
                    6,10,15,21,6,10,15,21,6,10,15,21,6,10,15,21]
        self.m = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
                    1,6,11,0,5,10,15,4,9,14,3,8,13,2,7,12,
                    5,8,11,14,1,4,7,10,13,0,3,6,9,12,15,2,
                    0,7,14,5,12,3,10,1,8,15,6,13,4,11,2,9]



    # 附加填充位
    def fill_text(self):
        for i in range(len(self.message)):
            c = int2bin(ord(self.message[i]), 8)
            self.ciphertext += c

        if (len(self.ciphertext)%512 != 448):
            if ((len(self.ciphertext)+1)%512 != 448):
                self.ciphertext += '1'
            while (len(self.ciphertext)%512 != 448):
                self.ciphertext += '0'

        length = len(self.message)*8
        if (length <= 255):
            length = int2bin(length, 8)
        else:
            length = int2bin(length, 16)
            temp = length[8:12]+length[12:16]+length[0:4]+length[4:8]
            length = temp

        self.ciphertext += length
        while (len(self.ciphertext)%512 != 0):
            self.ciphertext += '0'

    # 分组处理（迭代压缩）
    def circuit_shift(self, x, amount):
        x &= 0xFFFFFFFF
        return ((x << amount) | (x >> (32 - amount))) & 0xFFFFFFFF

    def change_pos(self):
        a = self.A
        b = self.B
        c = self.C
        d = self.D
        self.A = d
        self.B = a
        self.C = b
        self.D = c

    def FF(self, mj, s, ti):
        mj = int(mj, 2)
        temp = self.F(self.B, self.C, self.D) + self.A + mj + ti
        temp = self.circuit_shift(temp, s)
        self.A = (self.B + temp)%pow(2, 32)
        self.change_pos()

    def GG(self, mj, s, ti):
        mj = int(mj, 2)
        temp = self.G(self.B, self.C, self.D) + self.A + mj + ti
        temp = self.circuit_shift(temp, s)
        self.A = (self.B + temp)%pow(2, 32)
        self.change_pos()

    def HH(self, mj, s, ti):
        mj = int(mj, 2)
        temp = self.H(self.B, self.C, self.D) + self.A + mj + ti
        temp = self.circuit_shift(temp, s)
        self.A = (self.B + temp)%pow(2, 32)
        self.change_pos()

    def II(self, mj, s, ti):
        mj = int(mj, 2)
        temp = self.I(self.B, self.C, self.D) + self.A + mj + ti
        temp = self.circuit_shift(temp, s)
        self.A = (self.B + temp)%pow(2, 32)
        self.change_pos()


    def F(self, X, Y, Z):
        return (X & Y) | ((~X) & Z)
    def G(self, X, Y, Z):
        return (X & Z) | (Y & (~Z))
    def H(self, X, Y, Z):
        return X ^ Y ^ Z
    def I(self, X, Y, Z):
        return Y ^ (X | (~Z))

    def group_processing(self):
        M = []
        for i in range(0, 512, 32):
            num = ""
            # 获取每一段的标准十六进制形式
            for j in range(0, len(self.ciphertext[i:i+32]), 4):
                temp = self.ciphertext[i:i+32][j:j + 4]
                temp = hex(int(temp, 2))
                num += temp[2]
            # 对十六进制进行小端排序
            num_tmp = ""
            for j in range(8, 0, -2):
                temp = num[j-2:j]
                num_tmp += temp

            num = ""
            for i in range(len(num_tmp)):
                num += int2bin(int(num_tmp[i], 16), 4)
            M.append(num)

        #print(M)



        for j in range(0, 16, 4):
            self.FF(M[self.m[j]], self.s[j], self.T[j])
            self.FF(M[self.m[j+1]], self.s[j+1], self.T[j+1])
            self.FF(M[self.m[j+2]], self.s[j+2], self.T[j+2])
            self.FF(M[self.m[j+3]], self.s[j+3], self.T[j+3])

        for j in range(0, 16, 4):
            self.GG(M[self.m[16+j]], self.s[16+j], self.T[16+j])
            self.GG(M[self.m[16+j+1]], self.s[16+j+1], self.T[16+j+1])
            self.GG(M[self.m[16+j+2]], self.s[16+j+2], self.T[16+j+2])
            self.GG(M[self.m[16+j+3]], self.s[16+j+3], self.T[16+j+3])


        for j in range(0, 16, 4):
            self.HH(M[self.m[32+j]], self.s[32+j], self.T[32+j])
            self.HH(M[self.m[32+j+1]], self.s[32+j+1], self.T[32+j+1])
            self.HH(M[self.m[32+j+2]], self.s[32+j+2], self.T[32+j+2])
            self.HH(M[self.m[32+j+3]], self.s[32+j+3], self.T[32+j+3])


        for j in range(0, 16, 4):
            self.II(M[self.m[48+j]], self.s[48+j], self.T[48+j])
            self.II(M[self.m[48+j+1]], self.s[48+j+1], self.T[48+j+1])
            self.II(M[self.m[48+j+2]], self.s[48+j+2], self.T[48+j+2])
            self.II(M[self.m[48+j+3]], self.s[48+j+3], self.T[48+j+3])

        self.A = (self.A+self.init_A)%pow(2, 32)
        self.B = (self.B+self.init_B)%pow(2, 32)
        self.C = (self.C+self.init_C)%pow(2, 32)
        self.D = (self.D+self.init_D)%pow(2, 32)

        """
        print("A:{}".format(hex(self.A)))
        print("B:{}".format(hex(self.B)))
        print("C:{}".format(hex(self.C)))
        print("D:{}".format(hex(self.D)))
        """


        answer = ""
        for register in [self.A, self.B, self.C, self.D]:
            if len(hex(register))!=10:
                str1 = list(hex(register))
                str1.insert(2,'0')
                str2 = ''.join(str1)
                register = str2[2:]
            else:
                register = hex(register)[2:]
            for i in range(8, 0, -2):
                answer += str(register[i-2:i])

        return answer



message = "123456￡&#172;&#161;￡fdjf,jkgfkl"
MD5 = MD5(message)
MD5.fill_text()
result = MD5.group_processing()
print("32位小写MD5加密：{}".format(result))

laos

hashlib模块不就可以了么~

pwp

laos 发表于 2023-1-13 02:07
hashlib模块不就可以了么~

得出来的32位和这个不一样

pojie2022

如果是标准加密算法，就安装使用python的库，如果算法修改过的，不如在python中使用execjs，直接调用js中的代码。前些天看到 btv网站里面有个js就是这个类似的代码，和标准算法不一样，用python弄半天，还是和它计算出的值不一样，最后还是直接调用js中的代码。

pwp

pojie2022 发表于 2023-1-18 17:12
如果是标准加密算法，就安装使用python的库，如果算法修改过的，不如在python中使用execjs，直接调用js中的 ...

一个js加密算法要用一个python模拟出来

pojie2022

pwp 发表于 2023-1-25 12:45
一个js加密算法要用一个python模拟出来

嗯，是，如果能模拟出来是最好的！