Created
July 22, 2020 01:00
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JS版MD5实现
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| function(e) { | |
| var t = function(e, t) { | |
| return e << t | e >>> 32 - t | |
| } | |
| , i = function(e, t) { | |
| var i, n, a, o, s; | |
| return a = 2147483648 & e, | |
| o = 2147483648 & t, | |
| i = 1073741824 & e, | |
| n = 1073741824 & t, | |
| s = (1073741823 & e) + (1073741823 & t), | |
| i & n ? 2147483648 ^ s ^ a ^ o : i | n ? 1073741824 & s ? 3221225472 ^ s ^ a ^ o : 1073741824 ^ s ^ a ^ o : s ^ a ^ o | |
| } | |
| , n = function(e, t, i) { | |
| return e & t | ~e & i | |
| } | |
| , a = function(e, t, i) { | |
| return e & i | t & ~i | |
| } | |
| , o = function(e, t, i) { | |
| return e ^ t ^ i | |
| } | |
| , s = function(e, t, i) { | |
| return t ^ (e | ~i) | |
| } | |
| , r = function(e, a, o, s, r, l, c) { | |
| return e = i(e, i(i(n(a, o, s), r), c)), | |
| i(t(e, l), a) | |
| } | |
| , l = function(e, n, o, s, r, l, c) { | |
| return e = i(e, i(i(a(n, o, s), r), c)), | |
| i(t(e, l), n) | |
| } | |
| , c = function(e, n, a, s, r, l, c) { | |
| return e = i(e, i(i(o(n, a, s), r), c)), | |
| i(t(e, l), n) | |
| } | |
| , u = function(e, n, a, o, r, l, c) { | |
| return e = i(e, i(i(s(n, a, o), r), c)), | |
| i(t(e, l), n) | |
| } | |
| , d = function(e) { | |
| for (var t, i = e.length, n = i + 8, a = (n - n % 64) / 64, o = 16 * (a + 1), s = Array(o - 1), r = 0, l = 0; l < i; ) | |
| t = (l - l % 4) / 4, | |
| r = l % 4 * 8, | |
| s[t] = s[t] | e.charCodeAt(l) << r, | |
| l++; | |
| return t = (l - l % 4) / 4, | |
| r = l % 4 * 8, | |
| s[t] = s[t] | 128 << r, | |
| s[o - 2] = i << 3, | |
| s[o - 1] = i >>> 29, | |
| s | |
| } | |
| , h = function(e) { | |
| var t, i, n = "", a = ""; | |
| for (i = 0; i <= 3; i++) | |
| t = e >>> 8 * i & 255, | |
| a = "0" + t.toString(16), | |
| n += a.substr(a.length - 2, 2); | |
| return n | |
| } | |
| , p = function(e) { | |
| e = e.replace(/\x0d\x0a/g, "\n"); | |
| for (var t = "", i = 0; i < e.length; i++) { | |
| var n = e.charCodeAt(i); | |
| n < 128 ? t += String.fromCharCode(n) : n > 127 && n < 2048 ? (t += String.fromCharCode(n >> 6 | 192), | |
| t += String.fromCharCode(63 & n | 128)) : (t += String.fromCharCode(n >> 12 | 224), | |
| t += String.fromCharCode(n >> 6 & 63 | 128), | |
| t += String.fromCharCode(63 & n | 128)) | |
| } | |
| return t | |
| }; | |
| e.extend({ | |
| md5: function(e) { | |
| var t, n, a, o, s, f, m, g, v, b = Array(), y = 7, k = 12, $ = 17, w = 22, x = 5, _ = 9, C = 14, S = 20, j = 4, I = 11, T = 16, P = 23, E = 6, L = 10, B = 15, A = 21; | |
| for (e = p(e), | |
| b = d(e), | |
| f = 1732584193, | |
| m = 4023233417, | |
| g = 2562383102, | |
| v = 271733878, | |
| t = 0; t < b.length; t += 16) | |
| n = f, | |
| a = m, | |
| o = g, | |
| s = v, | |
| f = r(f, m, g, v, b[t + 0], y, 3614090360), | |
| v = r(v, f, m, g, b[t + 1], k, 3905402710), | |
| g = r(g, v, f, m, b[t + 2], $, 606105819), | |
| m = r(m, g, v, f, b[t + 3], w, 3250441966), | |
| f = r(f, m, g, v, b[t + 4], y, 4118548399), | |
| v = r(v, f, m, g, b[t + 5], k, 1200080426), | |
| g = r(g, v, f, m, b[t + 6], $, 2821735955), | |
| m = r(m, g, v, f, b[t + 7], w, 4249261313), | |
| f = r(f, m, g, v, b[t + 8], y, 1770035416), | |
| v = r(v, f, m, g, b[t + 9], k, 2336552879), | |
| g = r(g, v, f, m, b[t + 10], $, 4294925233), | |
| m = r(m, g, v, f, b[t + 11], w, 2304563134), | |
| f = r(f, m, g, v, b[t + 12], y, 1804603682), | |
| v = r(v, f, m, g, b[t + 13], k, 4254626195), | |
| g = r(g, v, f, m, b[t + 14], $, 2792965006), | |
| m = r(m, g, v, f, b[t + 15], w, 1236535329), | |
| f = l(f, m, g, v, b[t + 1], x, 4129170786), | |
| v = l(v, f, m, g, b[t + 6], _, 3225465664), | |
| g = l(g, v, f, m, b[t + 11], C, 643717713), | |
| m = l(m, g, v, f, b[t + 0], S, 3921069994), | |
| f = l(f, m, g, v, b[t + 5], x, 3593408605), | |
| v = l(v, f, m, g, b[t + 10], _, 38016083), | |
| g = l(g, v, f, m, b[t + 15], C, 3634488961), | |
| m = l(m, g, v, f, b[t + 4], S, 3889429448), | |
| f = l(f, m, g, v, b[t + 9], x, 568446438), | |
| v = l(v, f, m, g, b[t + 14], _, 3275163606), | |
| g = l(g, v, f, m, b[t + 3], C, 4107603335), | |
| m = l(m, g, v, f, b[t + 8], S, 1163531501), | |
| f = l(f, m, g, v, b[t + 13], x, 2850285829), | |
| v = l(v, f, m, g, b[t + 2], _, 4243563512), | |
| g = l(g, v, f, m, b[t + 7], C, 1735328473), | |
| m = l(m, g, v, f, b[t + 12], S, 2368359562), | |
| f = c(f, m, g, v, b[t + 5], j, 4294588738), | |
| v = c(v, f, m, g, b[t + 8], I, 2272392833), | |
| g = c(g, v, f, m, b[t + 11], T, 1839030562), | |
| m = c(m, g, v, f, b[t + 14], P, 4259657740), | |
| f = c(f, m, g, v, b[t + 1], j, 2763975236), | |
| v = c(v, f, m, g, b[t + 4], I, 1272893353), | |
| g = c(g, v, f, m, b[t + 7], T, 4139469664), | |
| m = c(m, g, v, f, b[t + 10], P, 3200236656), | |
| f = c(f, m, g, v, b[t + 13], j, 681279174), | |
| v = c(v, f, m, g, b[t + 0], I, 3936430074), | |
| g = c(g, v, f, m, b[t + 3], T, 3572445317), | |
| m = c(m, g, v, f, b[t + 6], P, 76029189), | |
| f = c(f, m, g, v, b[t + 9], j, 3654602809), | |
| v = c(v, f, m, g, b[t + 12], I, 3873151461), | |
| g = c(g, v, f, m, b[t + 15], T, 530742520), | |
| m = c(m, g, v, f, b[t + 2], P, 3299628645), | |
| f = u(f, m, g, v, b[t + 0], E, 4096336452), | |
| v = u(v, f, m, g, b[t + 7], L, 1126891415), | |
| g = u(g, v, f, m, b[t + 14], B, 2878612391), | |
| m = u(m, g, v, f, b[t + 5], A, 4237533241), | |
| f = u(f, m, g, v, b[t + 12], E, 1700485571), | |
| v = u(v, f, m, g, b[t + 3], L, 2399980690), | |
| g = u(g, v, f, m, b[t + 10], B, 4293915773), | |
| m = u(m, g, v, f, b[t + 1], A, 2240044497), | |
| f = u(f, m, g, v, b[t + 8], E, 1873313359), | |
| v = u(v, f, m, g, b[t + 15], L, 4264355552), | |
| g = u(g, v, f, m, b[t + 6], B, 2734768916), | |
| m = u(m, g, v, f, b[t + 13], A, 1309151649), | |
| f = u(f, m, g, v, b[t + 4], E, 4149444226), | |
| v = u(v, f, m, g, b[t + 11], L, 3174756917), | |
| g = u(g, v, f, m, b[t + 2], B, 718787259), | |
| m = u(m, g, v, f, b[t + 9], A, 3951481745), | |
| f = i(f, n), | |
| m = i(m, a), | |
| g = i(g, o), | |
| v = i(v, s); | |
| var O = h(f) + h(m) + h(g) + h(v); | |
| return O.toLowerCase() | |
| } | |
| }) | |
| }(jQuery) |
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