JS原生MD5算法
function md5(md5str) {
var createMD5String = function(string) {
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
string = uTF8Encode(string)
x = convertToWordArray(string)
a = 0x67452301
b = 0xEFCDAB89
c = 0x98BADCFE
d = 0x10325476
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)
}
var tempValue = wordToHex(a) + wordToHex(b) + wordToHex(c) + wordToHex(d)
return tempValue.toLowerCase()
}
var rotateLeft = function(lValue, iShiftBits) {
return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits))
}
var addUnsigned = function(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)
}
}
var F = function(x, y, z) {
return (x & y) | ((~x) & z)
}
var G = function(x, y, z) {
return (x & z) | (y & (~z))
}
var H = function(x, y, z) {
return (x ^ y ^ z)
}
var I = function(x, y, z) {
return (y ^ (x | (~z)))
}
var FF = function(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(F(b, c, d), x), ac))
return addUnsigned(rotateLeft(a, s), b)
}
var GG = function(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(G(b, c, d), x), ac))
return addUnsigned(rotateLeft(a, s), b)
}
var HH = function(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(H(b, c, d), x), ac))
return addUnsigned(rotateLeft(a, s), b)
}
var II = function(a, b, c, d, x, s, ac) {
a = addUnsigned(a, addUnsigned(addUnsigned(I(b, c, d), x), ac))
return addUnsigned(rotateLeft(a, s), b)
}
var convertToWordArray = function(string) {
var lWordCount
var lMessageLength = string.length
var lNumberOfWordsTempOne = lMessageLength + 8
var lNumberOfWordsTempTwo = (lNumberOfWordsTempOne - (lNumberOfWordsTempOne % 64)) / 64
var lNumberOfWords = (lNumberOfWordsTempTwo + 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] | (string.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
}
var wordToHex = function(lValue) {
var WordToHexValue = '',
WordToHexValueTemp = '',
lByte, lCount
for (lCount = 0; lCount <= 3; lCount++) {
lByte = (lValue >>> (lCount * 8)) & 255
WordToHexValueTemp = '0' + lByte.toString(16)
WordToHexValue = WordToHexValue + WordToHexValueTemp.substr(WordToHexValueTemp.length - 2, 2)
}
return WordToHexValue
}
var uTF8Encode = function(string) {
string = string.toString().replace(/\x0d\x0a/g, '\x0a')
var output = ''
for (var n = 0; n < string.length; n++) {
var c = string.charCodeAt(n)
if (c < 128) {
output += String.fromCharCode(c)
} else if ((c > 127) && (c < 2048)) {
output += String.fromCharCode((c >> 6) | 192)
output += String.fromCharCode((c & 63) | 128)
} else {
output += String.fromCharCode((c >> 12) | 224)
output += String.fromCharCode(((c >> 6) & 63) | 128)
output += String.fromCharCode((c & 63) | 128)
}
}
return output
}
return createMD5String(md5str)
}z参数
function getUrl(url){
var c = new Date,
l = c.getTime(),
u = 6e4 * c.getTimezoneOffset(),
m = l + u + 36e5 * 8,
d = new Date(m),
p = (p = d).getDate() + 9 + 9 ^ 10,
p = (p = md5(String(p))).substring(0, 10),
p = md5(p),
b = d.getDay() + 11397,
g = "https://a1.m1907.top:404/api/v/?z=".concat(p, "&jx=").concat(url);
g += "&s1ig=".concat(b)+'&g=';
return g
}
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