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JS字符串二进制相互转换以及MD5加密

JS字符串二进制相互转换以及MD5加密

作者: 邪七 | 来源:发表于2022-08-01 14:31 被阅读0次

    JS字符串二进制相互转换:

    function strToBinary(str){
        var result = [];
        var list = str.split("");
        for(var i=0;i<list.length;i++){
            if(i != 0){
                result.push(" ");
            }
            var item = list[i];
            var binaryStr = item.charCodeAt().toString(2);
            result.push(binaryStr);
        }   
        return result.join("");
    }
    
    function binaryToStr(str){
        var result = [];
        var list = str.split(" ");
        for(var i=0;i<list.length;i++){
             var item = list[i];
             var asciiCode = parseInt(item,2);
             var charValue = String.fromCharCode(asciiCode);
             result.push(charValue);
        }
        return result.join("");
    }
    console.log(strToBinary("测试")) // 110110101001011 1000101111010101
    console.log(binaryToStr("110110101001011 1000101111010101")) // 测试
    

    MD5加密方式一:

    function md5(a) {
        function b(a, b) {
            return a << b | a >>> 32 - b
        }
    
        function c(a, b) {
            var c, d, e, f, g;
            return e = 2147483648 & a,
                f = 2147483648 & b,
                c = 1073741824 & a,
                d = 1073741824 & b,
                g = (1073741823 & a) + (1073741823 & b),
                c & d ? 2147483648 ^ g ^ e ^ f : c | d ? 1073741824 & g ? 3221225472 ^ g ^ e ^ f : 1073741824 ^ g ^ e ^ f : g ^ e ^ f
        }
    
        function d(a, b, c) {
            return a & b | ~a & c
        }
    
        function e(a, b, c) {
            return a & c | b & ~c
        }
    
        function f(a, b, c) {
            return a ^ b ^ c
        }
    
        function g(a, b, c) {
            return b ^ (a | ~c)
        }
    
        function h(a, e, f, g, h, i, j) {
            return a = c(a, c(c(d(e, f, g), h), j)),
                c(b(a, i), e)
        }
    
        function i(a, d, f, g, h, i, j) {
            return a = c(a, c(c(e(d, f, g), h), j)),
                c(b(a, i), d)
        }
    
        function j(a, d, e, g, h, i, j) {
            return a = c(a, c(c(f(d, e, g), h), j)),
                c(b(a, i), d)
        }
    
        function k(a, d, e, f, h, i, j) {
            return a = c(a, c(c(g(d, e, f), h), j)),
                c(b(a, i), d)
        }
    
        function l(a) {
            for (var b, c = a.length, d = c + 8, e = (d - d % 64) / 64, f = 16 * (e + 1), g = new Array(f - 1), h = 0, i = 0; c > i;)
                b = (i - i % 4) / 4,
                    h = i % 4 * 8,
                    g[b] = g[b] | a.charCodeAt(i) << h,
                    i++;
            return b = (i - i % 4) / 4,
                h = i % 4 * 8,
                g[b] = g[b] | 128 << h,
                g[f - 2] = c << 3,
                g[f - 1] = c >>> 29,
                g
        }
    
        function m(a) {
            var b, c, d = "", e = "";
            for (c = 0; 3 >= c; c++)
                b = a >>> 8 * c & 255,
                    e = "0" + b.toString(16),
                    d += e.substr(e.length - 2, 2);
            return d
        }
    
        function n(a) {
            a = a.replace(/\r\n/g, "\n");
            for (var b = "", c = 0; c < a.length; c++) {
                var d = a.charCodeAt(c);
                128 > d ? b += String.fromCharCode(d) : d > 127 && 2048 > d ? (b += String.fromCharCode(d >> 6 | 192),
                    b += String.fromCharCode(63 & d | 128)) : (b += String.fromCharCode(d >> 12 | 224),
                        b += String.fromCharCode(d >> 6 & 63 | 128),
                        b += String.fromCharCode(63 & d | 128))
            }
            return b
        }
    
        var o, p, q, r, s, t, u, v, w, x = [], y = 7, z = 12, A = 17, B = 22, C = 5, D = 9, E = 14, F = 20, G = 4, H = 11,
            I = 16, J = 23, K = 6, L = 10, M = 15, N = 21;
        for (a = n(a),
            x = l(a),
            t = 1732584193,
            u = 4023233417,
            v = 2562383102,
            w = 271733878,
            o = 0; o < x.length; o += 16)
            p = t,
                q = u,
                r = v,
                s = w,
                t = h(t, u, v, w, x[o + 0], y, 3614090360),
                w = h(w, t, u, v, x[o + 1], z, 3905402710),
                v = h(v, w, t, u, x[o + 2], A, 606105819),
                u = h(u, v, w, t, x[o + 3], B, 3250441966),
                t = h(t, u, v, w, x[o + 4], y, 4118548399),
                w = h(w, t, u, v, x[o + 5], z, 1200080426),
                v = h(v, w, t, u, x[o + 6], A, 2821735955),
                u = h(u, v, w, t, x[o + 7], B, 4249261313),
                t = h(t, u, v, w, x[o + 8], y, 1770035416),
                w = h(w, t, u, v, x[o + 9], z, 2336552879),
                v = h(v, w, t, u, x[o + 10], A, 4294925233),
                u = h(u, v, w, t, x[o + 11], B, 2304563134),
                t = h(t, u, v, w, x[o + 12], y, 1804603682),
                w = h(w, t, u, v, x[o + 13], z, 4254626195),
                v = h(v, w, t, u, x[o + 14], A, 2792965006),
                u = h(u, v, w, t, x[o + 15], B, 1236535329),
                t = i(t, u, v, w, x[o + 1], C, 4129170786),
                w = i(w, t, u, v, x[o + 6], D, 3225465664),
                v = i(v, w, t, u, x[o + 11], E, 643717713),
                u = i(u, v, w, t, x[o + 0], F, 3921069994),
                t = i(t, u, v, w, x[o + 5], C, 3593408605),
                w = i(w, t, u, v, x[o + 10], D, 38016083),
                v = i(v, w, t, u, x[o + 15], E, 3634488961),
                u = i(u, v, w, t, x[o + 4], F, 3889429448),
                t = i(t, u, v, w, x[o + 9], C, 568446438),
                w = i(w, t, u, v, x[o + 14], D, 3275163606),
                v = i(v, w, t, u, x[o + 3], E, 4107603335),
                u = i(u, v, w, t, x[o + 8], F, 1163531501),
                t = i(t, u, v, w, x[o + 13], C, 2850285829),
                w = i(w, t, u, v, x[o + 2], D, 4243563512),
                v = i(v, w, t, u, x[o + 7], E, 1735328473),
                u = i(u, v, w, t, x[o + 12], F, 2368359562),
                t = j(t, u, v, w, x[o + 5], G, 4294588738),
                w = j(w, t, u, v, x[o + 8], H, 2272392833),
                v = j(v, w, t, u, x[o + 11], I, 1839030562),
                u = j(u, v, w, t, x[o + 14], J, 4259657740),
                t = j(t, u, v, w, x[o + 1], G, 2763975236),
                w = j(w, t, u, v, x[o + 4], H, 1272893353),
                v = j(v, w, t, u, x[o + 7], I, 4139469664),
                u = j(u, v, w, t, x[o + 10], J, 3200236656),
                t = j(t, u, v, w, x[o + 13], G, 681279174),
                w = j(w, t, u, v, x[o + 0], H, 3936430074),
                v = j(v, w, t, u, x[o + 3], I, 3572445317),
                u = j(u, v, w, t, x[o + 6], J, 76029189),
                t = j(t, u, v, w, x[o + 9], G, 3654602809),
                w = j(w, t, u, v, x[o + 12], H, 3873151461),
                v = j(v, w, t, u, x[o + 15], I, 530742520),
                u = j(u, v, w, t, x[o + 2], J, 3299628645),
                t = k(t, u, v, w, x[o + 0], K, 4096336452),
                w = k(w, t, u, v, x[o + 7], L, 1126891415),
                v = k(v, w, t, u, x[o + 14], M, 2878612391),
                u = k(u, v, w, t, x[o + 5], N, 4237533241),
                t = k(t, u, v, w, x[o + 12], K, 1700485571),
                w = k(w, t, u, v, x[o + 3], L, 2399980690),
                v = k(v, w, t, u, x[o + 10], M, 4293915773),
                u = k(u, v, w, t, x[o + 1], N, 2240044497),
                t = k(t, u, v, w, x[o + 8], K, 1873313359),
                w = k(w, t, u, v, x[o + 15], L, 4264355552),
                v = k(v, w, t, u, x[o + 6], M, 2734768916),
                u = k(u, v, w, t, x[o + 13], N, 1309151649),
                t = k(t, u, v, w, x[o + 4], K, 4149444226),
                w = k(w, t, u, v, x[o + 11], L, 3174756917),
                v = k(v, w, t, u, x[o + 2], M, 718787259),
                u = k(u, v, w, t, x[o + 9], N, 3951481745),
                t = c(t, p),
                u = c(u, q),
                v = c(v, r),
                w = c(w, s);
        var O = m(t) + m(u) + m(v) + m(w);
        return O.toLowerCase()
    };
    
    let testStr = md5("sadsadssaass");
    console.log('MD5加密测试---' + testStr); // MD5加密测试---087876358b457c1ea3ef460dce64362b
    

    MD5加密方式二:

    npm install js-md5
    import md5 from 'js-md5';
    Vue.prototype.$md5 = md5;
    this.$md5("加密内容")
    
    md5(''); // d41d8cd98f00b204e9800998ecf8427e
    md5('The quick brown fox jumps over the lazy dog'); // 9e107d9d372bb6826bd81d3542a419d6
    md5('The quick brown fox jumps over the lazy dog.'); // e4d909c290d0fb1ca068ffaddf22cbd0
     
    // It also supports UTF-8 encoding
    md5('中文'); // a7bac2239fcdcb3a067903d8077c4a07
     
    // It also supports byte `Array`, `Uint8Array`, `ArrayBuffer`
    md5([]); // d41d8cd98f00b204e9800998ecf8427e
    md5(new Uint8Array([])); // d41d8cd98f00b204e9800998ecf8427e
     
    // Different output
    md5(''); // d41d8cd98f00b204e9800998ecf8427e
    md5.hex(''); // d41d8cd98f00b204e9800998ecf8427e
    md5.array(''); // [212, 29, 140, 217, 143, 0, 178, 4, 233, 128, 9, 152, 236, 248, 66, 126]
    md5.digest(''); // [212, 29, 140, 217, 143, 0, 178, 4, 233, 128, 9, 152, 236, 248, 66, 126]
    md5.arrayBuffer(''); // ArrayBuffer
    md5.buffer(''); // ArrayBuffer, deprecated, This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.
    md5.base64(''); // 1B2M2Y8AsgTpgAmY7PhCfg==
    

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