web前端|js教程
Js,md5加密
web前端-js教程
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function core_md5(x, len) { x[len >> 5] |= 0x80 <>> 9) << 4) + 14] = len; var a = 1732584193; var b = -271733879; var c = -1732584194; var d = 271733878; for(var i = 0; i 16) bkey = core_md5(bkey, key.length * chrsz);
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var ipad = Array(16), opad = Array(16); for(var i = 0; i > 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF); } function bit_rol(num, cnt) { return (num <>> (32 – cnt)); }
function str2binl(str) { var bin = Array(); var mask = (1 << chrsz) – 1; for(var i = 0; i >5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32); return bin; } function binl2hex(binarray) { var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for(var i = 0; i >2] >> ((i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF); } return str; }
function binl2b64(binarray) { var tab = “ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/”; var str = “”; for(var i = 0; i > 2] >> 8 * ( i %4)) & 0xFF) <> 2] >> 8 * ((i+1)%4)) & 0xFF) <> 2] >> 8 * ((i+2)%4)) & 0xFF); for(var j = 0; j binarray.length * 32) str += b64pad; else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); } } return str; }
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