我有我认为是一个非常简单的问题.我正在使用此代码在Golang中生成SHA1 uuid:
namespace := uuid.Parse("b9cfdb9d-f741-4e1f-89ae-fac6b2a5d740") sha := uuid.NewSHA1(namespace,[]byte("something")) fmt.Println(sha.String())
现在我想在javascript中生成相同的UUID,我认为它会像这样简单:
var hash = CryptoJS.SHA1("b9cfdb9d-f741-4e1f-89ae-fac6b2a5d740" + "something") // chomp the hash into a UUID string
但是,我遇到了严重的问题.似乎Golang中的uuid.Parse函数运行this parsing function,将命名空间转换为16字节数组,所以即使我在Javascript中使用相同的SHA1算法,我也没有得到相同的输出.
我一直在搞乱JS中做同样的事情,但我很难过.
这里的任何聪明的加密人都可以帮助我吗?
好吧,那只花了我一个月.
var SHA1Generator = { hex_chr: "0123456789abcdef",hex: function (num) { var str = ""; for (var j = 7; j >= 0; j--) str += this.hex_chr.charAt((num >> (j * 4)) & 0x0F); return str; },str2blks_SHA1: function (str) { var nblk = ((str.length + 8) >> 6) + 1; var blks = new Array(nblk * 16); for (var i = 0; i < nblk * 16; i++) blks[i] = 0; for (i = 0; i < str.length; i++) blks[i >> 2] |= str.charCodeAt(i) << (24 - (i % 4) * 8); blks[i >> 2] |= 0x80 << (24 - (i % 4) * 8); blks[nblk * 16 - 1] = str.length * 8; return blks; },add: function (x,y) { var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF); },rol: function (num,cnt) { return (num << cnt) | (num >>> (32 - cnt)); },ft: function (t,b,c,d) { if (t < 20) return (b & c) | ((~b) & d); if (t < 40) return b ^ c ^ d; if (t < 60) return (b & c) | (b & d) | (c & d); return b ^ c ^ d; },kt: function (t) { return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 : (t < 60) ? -1894007588 : -899497514; },calcSHA1FromByte: function(byteArr) { var str = ''; for(var i=0; i<byteArr.length; i++) str += String.fromCharCode(byteArr[i]); return this.calcSHA1(str); },calcSHA1: function (str) { if (str != '') { var x = this.str2blks_SHA1(str); var w = new Array(80); var a = 1732584193; var b = -271733879; var c = -1732584194; var d = 271733878; var e = -1009589776; for (var i = 0; i < x.length; i += 16) { var olda = a; var oldb = b; var oldc = c; var oldd = d; var olde = e; for (var j = 0; j < 80; j++) { if (j < 16) w[j] = x[i + j]; else w[j] = this.rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16],1); t = this.add(this.add(this.rol(a,5),this.ft(j,d)),this.add(this.add(e,w[j]),this.kt(j))); e = d; d = c; c = this.rol(b,30); b = a; a = t; } a = this.add(a,olda); b = this.add(b,oldb); c = this.add(c,oldc); d = this.add(d,oldd); e = this.add(e,olde); } return this.hex(a) + this.hex(b) + this.hex(c) + this.hex(d) + this.hex(e); } else { return ''; } } }; function stringToByteArray(str) { var bytes = []; for (var i = 0; i < str.length; ++i) { bytes.push(str.charCodeAt(i)); } return bytes; } function uuidToByteArray(hex) { // If this is a uuid,remove the dashes hex = hex.replace(/-/g,""); // convert each hex number into a string representation // of the byte integer. var bytes = []; for(var i = 0; i < hex.length; i += 2) { bytes.push(parseInt(hex.substring(i,i+2),16)); } return bytes; } function sha1ToUUID5(hash) { var uuid = hash.substring(0,8) + '-' + hash.substring(8,12) + // four most significant bits holds version number 5 '-' + ((parseInt(hash.substring(12,16),16) & 0x0fff) | 0x5000).toString(16) + // two most significant bits holds zero and one for variant DCE1.1 '-' + ((parseInt(hash.substring(16,20),16) & 0x3fff) | 0x8000).toString(16) + '-' + hash.substring(20,32); //12 digits return uuid; } var namespace = "e75a36a9-3323-40dd-a7d1-1c57ad2aa3cd" var id = "event154" var namespaceBytes = uuidToByteArray(namespace); var idBytes = stringToByteArray(id); var allBytes = namespaceBytes.concat(idBytes); console.log("ORG 4505612c-c323-5d6f-b5cc-b7f362b9ba55") console.log("NEW " + sha1ToUUID5(SHA1Generator.calcSHA1FromByte(allBytes)))