Changeset 36729

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Timestamp:
02/12/10 14:27:16 (4 years ago)
Author:
holidays-l
Message:

sha1.jsを圧縮

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1 modified

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  • lang/javascript/misc/password.js

    r36728 r36729  
    77 * See http://pajhome.org.uk/crypt/md5 for details. 
    88 */ 
    9  
    10 /* 
    11  * Configurable variables. You may need to tweak these to be compatible with 
    12  * the server-side, but the defaults work in most cases. 
    13  */ 
    14 var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */ 
    15 var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */ 
    16 var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */ 
    17  
    18 /* 
    19  * These are the functions you'll usually want to call 
    20  * They take string arguments and return either hex or base-64 encoded strings 
    21  */ 
    22 function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));} 
    23 function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));} 
    24 function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));} 
    25 function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));} 
    26 function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));} 
    27 function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));} 
    28  
    29 /* 
    30  * Perform a simple self-test to see if the VM is working 
    31  */ 
    32 function sha1_vm_test() 
    33 { 
    34   return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d"; 
    35 } 
    36  
    37 /* 
    38  * Calculate the SHA-1 of an array of big-endian words, and a bit length 
    39  */ 
    40 function core_sha1(x, len) 
    41 { 
    42   /* append padding */ 
    43   x[len >> 5] |= 0x80 << (24 - len % 32); 
    44   x[((len + 64 >> 9) << 4) + 15] = len; 
    45  
    46   var w = Array(80); 
    47   var a =  1732584193; 
    48   var b = -271733879; 
    49   var c = -1732584194; 
    50   var d =  271733878; 
    51   var e = -1009589776; 
    52  
    53   for(var i = 0; i < x.length; i += 16) 
    54   { 
    55     var olda = a; 
    56     var oldb = b; 
    57     var oldc = c; 
    58     var oldd = d; 
    59     var olde = e; 
    60  
    61     for(var j = 0; j < 80; j++) 
    62     { 
    63       if(j < 16) w[j] = x[i + j]; 
    64       else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1); 
    65       var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)), 
    66                        safe_add(safe_add(e, w[j]), sha1_kt(j))); 
    67       e = d; 
    68       d = c; 
    69       c = rol(b, 30); 
    70       b = a; 
    71       a = t; 
    72     } 
    73  
    74     a = safe_add(a, olda); 
    75     b = safe_add(b, oldb); 
    76     c = safe_add(c, oldc); 
    77     d = safe_add(d, oldd); 
    78     e = safe_add(e, olde); 
    79   } 
    80   return Array(a, b, c, d, e); 
    81  
    82 } 
    83  
    84 /* 
    85  * Perform the appropriate triplet combination function for the current 
    86  * iteration 
    87  */ 
    88 function sha1_ft(t, b, c, d) 
    89 { 
    90   if(t < 20) return (b & c) | ((~b) & d); 
    91   if(t < 40) return b ^ c ^ d; 
    92   if(t < 60) return (b & c) | (b & d) | (c & d); 
    93   return b ^ c ^ d; 
    94 } 
    95  
    96 /* 
    97  * Determine the appropriate additive constant for the current iteration 
    98  */ 
    99 function sha1_kt(t) 
    100 { 
    101   return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 : 
    102          (t < 60) ? -1894007588 : -899497514; 
    103 } 
    104  
    105 /* 
    106  * Calculate the HMAC-SHA1 of a key and some data 
    107  */ 
    108 function core_hmac_sha1(key, data) 
    109 { 
    110   var bkey = str2binb(key); 
    111   if(bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz); 
    112  
    113   var ipad = Array(16), opad = Array(16); 
    114   for(var i = 0; i < 16; i++) 
    115   { 
    116     ipad[i] = bkey[i] ^ 0x36363636; 
    117     opad[i] = bkey[i] ^ 0x5C5C5C5C; 
    118   } 
    119  
    120   var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz); 
    121   return core_sha1(opad.concat(hash), 512 + 160); 
    122 } 
    123  
    124 /* 
    125  * Add integers, wrapping at 2^32. This uses 16-bit operations internally 
    126  * to work around bugs in some JS interpreters. 
    127  */ 
    128 function safe_add(x, y) 
    129 { 
    130   var lsw = (x & 0xFFFF) + (y & 0xFFFF); 
    131   var msw = (x >> 16) + (y >> 16) + (lsw >> 16); 
    132   return (msw << 16) | (lsw & 0xFFFF); 
    133 } 
    134  
    135 /* 
    136  * Bitwise rotate a 32-bit number to the left. 
    137  */ 
    138 function rol(num, cnt) 
    139 { 
    140   return (num << cnt) | (num >>> (32 - cnt)); 
    141 } 
    142  
    143 /* 
    144  * Convert an 8-bit or 16-bit string to an array of big-endian words 
    145  * In 8-bit function, characters >255 have their hi-byte silently ignored. 
    146  */ 
    147 function str2binb(str) 
    148 { 
    149   var bin = Array(); 
    150   var mask = (1 << chrsz) - 1; 
    151   for(var i = 0; i < str.length * chrsz; i += chrsz) 
    152     bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32); 
    153   return bin; 
    154 } 
    155  
    156 /* 
    157  * Convert an array of big-endian words to a string 
    158  */ 
    159 function binb2str(bin) 
    160 { 
    161   var str = ""; 
    162   var mask = (1 << chrsz) - 1; 
    163   for(var i = 0; i < bin.length * 32; i += chrsz) 
    164     str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask); 
    165   return str; 
    166 } 
    167  
    168 /* 
    169  * Convert an array of big-endian words to a hex string. 
    170  */ 
    171 function binb2hex(binarray) 
    172 { 
    173   var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; 
    174   var str = ""; 
    175   for(var i = 0; i < binarray.length * 4; i++) 
    176   { 
    177     str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) + 
    178            hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF); 
    179   } 
    180   return str; 
    181 } 
    182  
    183 /* 
    184  * Convert an array of big-endian words to a base-64 string 
    185  */ 
    186 function binb2b64(binarray) 
    187 { 
    188   var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; 
    189   var str = ""; 
    190   for(var i = 0; i < binarray.length * 4; i += 3) 
    191   { 
    192     var triplet = (((binarray[i   >> 2] >> 8 * (3 -  i   %4)) & 0xFF) << 16) 
    193                 | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 ) 
    194                 |  ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF); 
    195     for(var j = 0; j < 4; j++) 
    196     { 
    197       if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; 
    198       else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); 
    199     } 
    200   } 
    201   return str; 
    202 } 
    203  
     9var b64_hmac_sha1=(function(){var o=0;var t="";var c=8;function j(u){return i(e(s(u),u.length*c))}function h(u){return m(e(s(u),u.length*c))}function d(u){return q(e(s(u),u.length*c))}function b(u,v){return i(f(u,v))}function g(u,v){return m(f(u,v))}function l(u,v){return q(f(u,v))}function a(){return j("abc")=="a9993e364706816aba3e25717850c26c9cd0d89d"}function e(J,D){J[D>>5]|=128<<(24-D%32);J[((D+64>>9)<<4)+15]=D;var K=Array(80);var I=1732584193;var H=-271733879;var G=-1732584194;var F=271733878;var E=-1009589776;for(var A=0;A<J.length;A+=16){var C=I;var B=H;var z=G;var y=F;var u=E;for(var v=0;v<80;v++){if(v<16){K[v]=J[A+v]}else{K[v]=n(K[v-3]^K[v-8]^K[v-14]^K[v-16],1)}var L=p(p(n(I,5),r(v,H,G,F)),p(p(E,K[v]),k(v)));E=F;F=G;G=n(H,30);H=I;I=L}I=p(I,C);H=p(H,B);G=p(G,z);F=p(F,y);E=p(E,u)}return Array(I,H,G,F,E)}function r(v,u,x,w){if(v<20){return(u&x)|((~u)&w)}if(v<40){return u^x^w}if(v<60){return(u&x)|(u&w)|(x&w)}return u^x^w}function k(u){return(u<20)?1518500249:(u<40)?1859775393:(u<60)?-1894007588:-899497514}function f(w,z){var y=s(w);if(y.length>16){y=e(y,w.length*c)}var u=Array(16),x=Array(16);for(var v=0;v<16;v++){u[v]=y[v]^909522486;x[v]=y[v]^1549556828}var A=e(u.concat(s(z)),512+z.length*c);return e(x.concat(A),512+160)}function p(u,z){var w=(u&65535)+(z&65535);var v=(u>>16)+(z>>16)+(w>>16);return(v<<16)|(w&65535)}function n(u,v){return(u<<v)|(u>>>(32-v))}function s(x){var w=Array();var u=(1<<c)-1;for(var v=0;v<x.length*c;v+=c){w[v>>5]|=(x.charCodeAt(v/c)&u)<<(32-c-v%32)}return w}function q(w){var x="";var u=(1<<c)-1;for(var v=0;v<w.length*32;v+=c){x+=String.fromCharCode((w[v>>5]>>>(32-c-v%32))&u)}return x}function i(w){var v=o?"0123456789ABCDEF":"0123456789abcdef";var x="";for(var u=0;u<w.length*4;u++){x+=v.charAt((w[u>>2]>>((3-u%4)*8+4))&15)+v.charAt((w[u>>2]>>((3-u%4)*8))&15)}return x}function m(x){var w="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";var z="";for(var v=0;v<x.length*4;v+=3){var y=(((x[v>>2]>>8*(3-v%4))&255)<<16)|(((x[v+1>>2]>>8*(3-(v+1)%4))&255)<<8)|((x[v+2>>2]>>8*(3-(v+2)%4))&255);for(var u=0;u<4;u++){if(v*8+u*6>x.length*32){z+=t}else{z+=w.charAt((y>>6*(3-u))&63)}}}return z}return g})(); 
    20410// SYNOPSIS 
    20511// javascript:(function(d,r,s){s=d.body.appendChild(d.createElement('script'));s.src='http://coderepos.org/share/export/'+r.replace(/\D/g,'')+'/lang/javascript/misc/password.js'})(document,'$Rev$') 
     
    21218     var password = b64_hmac_sha1(key, data); 
    21319     var pw = password.replace(/[+\/]+/g, '').substr(0, 8); 
    214  
    215  
    21620     var inputs = d.getElementsByTagName('input'); 
    21721     var show = false; 
     
    23741         p(password, pw); 
    23842     } 
    239 })(window.document, window.prompt); 
     43 })(window.document, window.prompt);