var b64pad =
var chrsz = 8;
函數hex _ MD5(s){ return binl 2 hex(core _ MD5(str 2 binl(s),s . length * chrsz));}
函數b64 _ MD5(s){ return binl2b 64(core _ MD5(str 2 binl(s),s . length * chrsz));}
函數str _ MD5(s){ return binl 2 str(core _ MD5(str 2 binl(s),s . length * chrsz));}
函數hex_hmac_md5(key,data){ return binl 2 hex(core _ hmac _ MD5(key,data));}
函數b64_hmac_md5(key,data){ return binl2b 64(core _ hmac _ MD5(key,data));}
函數str_hmac_md5(key,data){ return binl 2 str(core _ hmac _ MD5(key,data));}
函數md5_vm_test()
{
return hex _ MD5(" ABC ")= = " 900150983 CD 24 FB 0d 6963 f 7d 28 e 17f 72 ";
}
函數core_md5(x,len)
{
x[len & gt;& gt5]| = 0x 80 & lt;& lt((len)% 32);
x[(((len+64)>;& gt& gt9)& lt;& lt4)+14]= len;
var a = 1732584193;
var b =-271733879;
var c =-1732584194;
var d = 271733878;
for(var I = 0;我& ltx .長度;i += 16)
{
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
a = md5_ff(a,b,c,d,x[i+ 0],7,-680876936);
d = md5_ff(d,a,b,c,x[i+ 1],12,-389564586);
c = md5_ff(c,d,a,b,x[i+ 2],17,606105819);
b = md5_ff(b,c,d,a,x[i+ 3],22,-1044525330);
a = md5_ff(a,b,c,d,x[i+ 4],7,-176418897);
d = md5_ff(d,a,b,c,x[i+ 5],12,1200080426);
c = md5_ff(c,d,a,b,x[i+ 6],17,-1473231341);
b = md5_ff(b,c,d,a,x[i+ 7],22,-45705983);
a = md5_ff(a,b,c,d,x[i+ 8],7,1770035416);
d = md5_ff(d,a,b,c,x[i+ 9],12,-1958414417);
c = md5_ff(c,d,a,b,x[i+10],17,-42063);
b = md5_ff(b,c,d,a,x[i+11],22,-1990404162);
a = md5_ff(a,b,c,d,x[i+12],7,1804603682);
d = md5_ff(d,a,b,c,x[i+13],12,-40341101);
c = md5_ff(c,d,a,b,x[i+14],17,-1502002290);
b = md5_ff(b,c,d,a,x[i+15],22,1236535329);
a = md5_gg(a,b,c,d,x[i+ 1],5,-165796510);
d = md5_gg(d,a,b,c,x[i+ 6],9,-1069501632);
c = md5_gg(c,d,a,b,x[i+11],14,643717713);
b = md5_gg(b,c,d,a,x[i+ 0],20,-373897302);
a = md5_gg(a,b,c,d,x[i+ 5],5,-701558691);
d = md5_gg(d,a,b,c,x[i+10],9,38016083);
c = md5_gg(c,d,a,b,x[i+15],14,-660478335);
b = md5_gg(b,c,d,a,x[i+ 4],20,-405537848);
a = md5_gg(a,b,c,d,x[i+ 9],5,568446438);
d = md5_gg(d,a,b,c,x[i+14],9,-1019803690);
c = md5_gg(c,d,a,b,x[i+ 3],14,-187363961);
b = md5_gg(b,c,d,a,x[i+ 8],20,1163531501);
a = md5_gg(a,b,c,d,x[i+13],5,-1444681467);
d = md5_gg(d,a,b,c,x[i+ 2],9,-51403784);
c = md5_gg(c,d,a,b,x[i+ 7],14,1735328473);
b = md5_gg(b,c,d,a,x[i+12],20,-1926607734);
a = md5_hh(a,b,c,d,x[i+ 5],4,-378558);
d = md5_hh(d,a,b,c,x[i+ 8],11,-2022574463);
c = md5_hh(c,d,a,b,x[i+11],16,1839030562);
b = md5_hh(b,c,d,a,x[i+14],23,-35309556);
a = md5_hh(a,b,c,d,x[i+ 1],4,-1530992060);
d = md5_hh(d,a,b,c,x[i+ 4],11,1272893353);
c = md5_hh(c,d,a,b,x[i+ 7],16,-155497632);
b = md5_hh(b,c,d,a,x[i+10],23,-1094730640);
a = md5_hh(a,b,c,d,x[i+13],4,681279174);
d = md5_hh(d,a,b,c,x[i+ 0],11,-358537222);
c = md5_hh(c,d,a,b,x[i+ 3],16,-722521979);
b = md5_hh(b,c,d,a,x[i+ 6],23,76029189);
a = md5_hh(a,b,c,d,x[i+ 9],4,-640364487);
d = md5_hh(d,a,b,c,x[i+12],11,-421815835);
c = md5_hh(c,d,a,b,x[i+15],16,530742520);
b = md5_hh(b,c,d,a,x[i+ 2],23,-995338651);
a = md5_ii(a,b,c,d,x[i+ 0],6,-198630844);
d = md5_ii(d,a,b,c,x[i+ 7],10,1126891415);
c = md5_ii(c,d,a,b,x[i+14],15,-1416354905);
b = md5_ii(b,c,d,a,x[i+ 5],21,-57434055);
a = md5_ii(a,b,c,d,x[i+12],6,1700485571);
d = md5_ii(d,a,b,c,x[i+ 3],10,-1894986606);
c = md5_ii(c,d,a,b,x[i+10],15,-1051523);
b = md5_ii(b,c,d,a,x[i+ 1],21,-2054922799);
a = md5_ii(a,b,c,d,x[i+ 8],6,1873313359);
d = md5_ii(d,a,b,c,x[i+15],10,-30611744);
c = md5_ii(c,d,a,b,x[i+ 6],15,-1560198380);
b = md5_ii(b,c,d,a,x[i+13],21,1309151649);
a = md5_ii(a,b,c,d,x[i+ 4],6,-145523070);
d = md5_ii(d,a,b,c,x[i+11],10,-1120210379);
c = md5_ii(c,d,a,b,x[i+ 2],15,718787259);
b = md5_ii(b,c,d,a,x[i+ 9],21,-343485551);
a = safe_add(a,olda);
b = safe_add(b,oldb);
c = safe_add(c,oldc);
d = safe_add(d,oldd);
}
返回數組(a,b,c,d);
}
函數md5_cmn(q,a,b,x,s,t)
{
返回safe _ add(bit _ rol(safe _ add(safe _ add(a,q),safe_add(x,t)),s),b);
}
函數md5_ff(a,b,c,d,x,s,t)
{
return MD5 _ cmn((b & amp;c)|((~ b)& amp;d)、a、b、x、s、t);
}
函數md5_gg(a,b,c,d,x,s,t)
{
return MD5 _ cmn((b & amp;d)|(c & amp;(~d))、a、b、x、s、t);
}
函數md5_hh(a,b,c,d,x,s,t)
{
返回md5_cmn(b ^ c ^ d,a,b,x,s,t);
}
函數md5_ii(a,b,c,d,x,s,t)
{
返回md5_cmn(c ^ (b | (~d)),a,b,x,s,t);
}
函數core_hmac_md5(密鑰,數據)
{
var bkey = str 2 binl(key);
if(bkey . length & gt;16) bkey = core_md5(bkey,key . length * chrsz);
var ipad = Array(16),opad = Array(16);
for(var I = 0;我& lt16;i++)
{
ipad[I]= bkey[I]^ 0x 36363636;
opad[I]= bkey[I]^ 0x 5c 5 C5 c;
}
var hash = core _ MD5(ipad . concat(str 2 binl(data)),512+data . length * chrsz);
return core _ MD5(opad . concat(hash),512+128);
}
函數safe_add(x,y)
{
var lsw =(x & amp;0x ffff)+(y & amp;0x ffff);
var MSW =(x & gt;& gt16)+(y & gt;& gt16)+(lsw & gt;& gt16);
返回(msw & lt& lt16)|(lsw & amp;0x ffff);
}
功能位_控制(數量,計數)
{
return(num & lt;& ltCNT)|(num & gt;& gt& gt(32個碳納米管);
}
函數str2binl(str)
{
var bin = Array();
var mask =(1 & lt;& ltchrsz)-1;
for(var I = 0;我& ltstr.length * chrszi += chrsz)
bin[I & gt;& gt5]| =(str . charcodeat(I/chrsz)& amp;面膜)& lt& lt(I % 32);
回收箱;
}
函數binl2str(bin)
{
var str =
var mask =(1 & lt;& ltchrsz)-1;
for(var I = 0;我& ltbin.length * 32i += chrsz)
str+= string . from charcode((bin[I & gt;& gt5]>;& gt& gt(I % 32))& amp;面膜);
返回字符串;
}
函數binl2hex(binarray)
{
var hex_tab = hexcase?" 0123456789 abcdef ":" 0123456789 abcdef ";
var str =
for(var I = 0;我& ltbinarray . length * 4;i++)
{
str+= hex _ tab . charat((binarray[I & gt;& gt2]>;& gt((I % 4)* 8+4))& amp;0xF) +
hex _ tab . charat((binarray[I & gt;& gt2]>;& gt((I % 4)* 8))& amp;0xF);
}
返回字符串;
}
函數binl2b64(binarray)
{
var tab = " abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz 0123456789+/";
var str =
for(var I = 0;我& ltbinarray . length * 4;i += 3)
{
var三元組=(((binarray[I & gt;& gt2]>;& gt8 *(I % 4))& amp;0x ff)& lt;& lt16)
|((binarray[I+1 & gt;& gt2]>;& gt8 *(I+1)% 4))& amp;0x ff)& lt;& lt8 )
|((binarray[I+2 & gt;& gt2]>;& gt8 *(I+2)% 4))& amp;0x ff);
for(var j = 0;j & lt4;j++)
{
if(I * 8+j * 6 & gt;binarray . length * 32)str+= b 64 pad;
else str += tab.charAt((三聯體& gt& gt6 *(3-j))& amp;0x3F);
}
}
返回字符串;
}