https://adtec.com.cn/statics/js/encrypt.js?v=20180412104636

1function utf16to8(str) { 
2    var out, i, len, c; 
3 
4    out = ""; 
5    len = str.length; 
6    for(i = 0; i < len; i++) { 
7        c = str.charCodeAt(i); 
8        if ((c >= 0x0001) && (c <= 0x007F)) { 
9            out += str.charAt(i); 
10        } else if (c > 0x07FF) { 
11            out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F)); 
12            out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F)); 
13            out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F)); 
14        } else { 
15            out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F)); 
16            out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F)); 
17        } 
18    } 
19    return out; 
20} 
21function utf8to16(str) { 
22    var out, i, len, c; 
23    var char2, char3; 
24 
25    out = ""; 
26    len = str.length; 
27    i = 0; 
28    while(i < len) { 
29        c = str.charCodeAt(i++); 
30        switch(c >> 4) 
31        { 
32          case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: 
33            // 0xxxxxxx 
34            out += str.charAt(i-1); 
35            break; 
36          case 12: case 13: 
37            // 110x xxxx   10xx xxxx 
38            char2 = str.charCodeAt(i++); 
39            out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F)); 
40            break; 
41          case 14: 
42            // 1110 xxxx  10xx xxxx  10xx xxxx 
43            char2 = str.charCodeAt(i++); 
44            char3 = str.charCodeAt(i++); 
45            out += String.fromCharCode(((c & 0x0F) << 12) | 
46                                           ((char2 & 0x3F) << 6) | 
47                                           ((char3 & 0x3F) << 0)); 
48            break; 
49        } 
50    } 
51 
52    return out; 
53} 
54 
55var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; 
56var base64DecodeChars = new Array( 
57    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
58    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 
59    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, 
60    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, 
61    -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 
62    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, 
63    -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 
64    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1); 
65 
66function base64encode(str) { 
67    var out, i, len; 
68    var c1, c2, c3; 
69 
70    len = str.length; 
71    i = 0; 
72    out = ""; 
73    while(i < len) { 
74        c1 = str.charCodeAt(i++) & 0xff; 
75        if(i == len) 
76        { 
77            out += base64EncodeChars.charAt(c1 >> 2); 
78            out += base64EncodeChars.charAt((c1 & 0x3) << 4); 
79            out += "=="; 
80            break; 
81        } 
82        c2 = str.charCodeAt(i++); 
83        if(i == len) 
84        { 
85            out += base64EncodeChars.charAt(c1 >> 2); 
86            out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)); 
87            out += base64EncodeChars.charAt((c2 & 0xF) << 2); 
88            out += "="; 
89            break; 
90        } 
91        c3 = str.charCodeAt(i++); 
92        out += base64EncodeChars.charAt(c1 >> 2); 
93        out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4)); 
94        out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6)); 
95        out += base64EncodeChars.charAt(c3 & 0x3F); 
96    } 
97    return out; 
98} 
99 
100function base64decode(str) { 
101    var c1, c2, c3, c4; 
102    var i, len, out; 
103 
104    len = str.length; 
105    i = 0; 
106    out = ""; 
107    while(i < len) { 
108        /* c1 */ 
109        do { 
110            c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff]; 
111        } while(i < len && c1 == -1); 
112        if(c1 == -1) 
113            break; 
114 
115        /* c2 */ 
116        do { 
117            c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff]; 
118        } while(i < len && c2 == -1); 
119        if(c2 == -1) 
120            break; 
121 
122        out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4)); 
123 
124        /* c3 */ 
125        do { 
126            c3 = str.charCodeAt(i++) & 0xff; 
127            if(c3 == 61) 
128                return out; 
129            c3 = base64DecodeChars[c3]; 
130        } while(i < len && c3 == -1); 
131        if(c3 == -1) 
132            break; 
133 
134        out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2)); 
135 
136        /* c4 */ 
137        do { 
138            c4 = str.charCodeAt(i++) & 0xff; 
139            if(c4 == 61) 
140                return out; 
141            c4 = base64DecodeChars[c4]; 
142        } while(i < len && c4 == -1); 
143        if(c4 == -1) 
144            break; 
145        out += String.fromCharCode(((c3 & 0x03) << 6) | c4); 
146    } 
147    return out; 
148} 
149 
150function str_decode(str){ 
151        return utf8to16(base64decode(str)); 
152} 
153function str_encode(str){ 
154    return base64encode(utf16to8(str)); 
155} 
156 
157eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)d[e(c)]=k[c]||e(c);k=[function(e){return d[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('d c(8){	m f  = 3.9.4.j(\'l\'+\'5\');	m e   = 3.9.4.j(\'6\'+\'0\');	m b = 3.1.a(8,f,{e:e,g:3.g.2,i:3.h.7});		k b;}',62,23,'06z64mqXz|AES|CBC|CryptoJS|Latin1|TX9x8nf3|U54TGpk|ZeroPadding|data|enc|encrypt|encrypted|encryption|function|iv|key|mode|pad|padding|parse|return|u3pNA2j6|var'.split('|'),0,{}))
158
159function decryption_chb(encrypted,key,iv){//解密
160    var key  = CryptoJS.enc.Utf8.parse('5sQ5gS0' + 'SC17z4Y2C');
161    var iv   = CryptoJS.enc.Utf8.parse('7wrZbV3x' + '36uT8xkP');
162    var decrypted =CryptoJS.AES.decrypt(encrypted,key,
163        {
164            iv:iv,
165            mode:CryptoJS.mode.CBC,
166            padding:CryptoJS.pad.Pkcs7
167        });
168    return decrypted.toString(CryptoJS.enc.Utf8);
169}