2017-12-12 1 views
0

파이썬 및 자바 스크립트에서 동일한 결과를 얻으려고하고 있지만 암호화에서 문제가 발생하면 암호화가 자바 스크립트에서 동일한 결과를 얻었습니다. 파이썬 있지만 데이터를 json 형식으로 넣고 암호화 할 경우 다른 results.I 얻을 자바 스크립트 코드를 변경할 수 있습니다. 파이썬 코드가 필요하면 수정할 수있는 API 때문입니다.
파이썬 코드 :hmac 및 sha256을 사용하는 파이썬 암호화가 자바 스크립트와 동일한 결과를 제공하지 않습니다.

from datetime import datetime 
import json 
import hashlib 
import hmac 
import base64 

s="2017-12-11 23:31:55" 
data1=dict(timestamp=s) 
msg_data = json.dumps(data1) 

print msg_data 

message = bytes(s).encode('utf-8') 
secret = bytes("secret").encode('utf-8') 
msg_data2 = bytes(msg_data).encode('utf-8') 

signature = base64.b64encode(hmac.new(secret, message, digestmod=hashlib.sha256).digest()) 
print "without json" 
print(signature) #XZqVjDKYG8NRITjiMNXFZnNdUDb+JIr7Vm+f3CabETY= 

signature = base64.b64encode(hmac.new(secret, msg_data2, digestmod=hashlib.sha256).digest()) 
print "with json" 
print(signature) #RnxbwptM7HuEE1SPResxc4A6tVDqhv3DxWP75g8pfik= 

JS 코드 :

<script type="text/javascript"> 
    /* 
    https://raw.githubusercontent.com/jkiss/crypto-js/master/tags/3.1.2/build/rollups/hmac-sha256.js 
CryptoJS v3.1.2 
code.google.com/p/crypto-js 
(c) 2009-2013 by Jeff Mott. All rights reserved. 
code.google.com/p/crypto-js/wiki/License 
*/ 
var CryptoJS=CryptoJS||function(h,s){var f={},g=f.lib={},q=function(){},m=g.Base={extend:function(a){q.prototype=this;var c=new q;a&&c.mixIn(a);c.hasOwnProperty("init")||(c.init=function(){c.$super.init.apply(this,arguments)});c.init.prototype=c;c.$super=this;return c},create:function(){var a=this.extend();a.init.apply(a,arguments);return a},init:function(){},mixIn:function(a){for(var c in a)a.hasOwnProperty(c)&&(this[c]=a[c]);a.hasOwnProperty("toString")&&(this.toString=a.toString)},clone:function(){return this.init.prototype.extend(this)}}, 
r=g.WordArray=m.extend({init:function(a,c){a=this.words=a||[];this.sigBytes=c!=s?c:4*a.length},toString:function(a){return(a||k).stringify(this)},concat:function(a){var c=this.words,d=a.words,b=this.sigBytes;a=a.sigBytes;this.clamp();if(b%4)for(var e=0;e<a;e++)c[b+e>>>2]|=(d[e>>>2]>>>24-8*(e%4)&255)<<24-8*((b+e)%4);else if(65535<d.length)for(e=0;e<a;e+=4)c[b+e>>>2]=d[e>>>2];else c.push.apply(c,d);this.sigBytes+=a;return this},clamp:function(){var a=this.words,c=this.sigBytes;a[c>>>2]&=4294967295<< 
32-8*(c%4);a.length=h.ceil(c/4)},clone:function(){var a=m.clone.call(this);a.words=this.words.slice(0);return a},random:function(a){for(var c=[],d=0;d<a;d+=4)c.push(4294967296*h.random()|0);return new r.init(c,a)}}),l=f.enc={},k=l.Hex={stringify:function(a){var c=a.words;a=a.sigBytes;for(var d=[],b=0;b<a;b++){var e=c[b>>>2]>>>24-8*(b%4)&255;d.push((e>>>4).toString(16));d.push((e&15).toString(16))}return d.join("")},parse:function(a){for(var c=a.length,d=[],b=0;b<c;b+=2)d[b>>>3]|=parseInt(a.substr(b, 
2),16)<<24-4*(b%8);return new r.init(d,c/2)}},n=l.Latin1={stringify:function(a){var c=a.words;a=a.sigBytes;for(var d=[],b=0;b<a;b++)d.push(String.fromCharCode(c[b>>>2]>>>24-8*(b%4)&255));return d.join("")},parse:function(a){for(var c=a.length,d=[],b=0;b<c;b++)d[b>>>2]|=(a.charCodeAt(b)&255)<<24-8*(b%4);return new r.init(d,c)}},j=l.Utf8={stringify:function(a){try{return decodeURIComponent(escape(n.stringify(a)))}catch(c){throw Error("Malformed UTF-8 data");}},parse:function(a){return n.parse(unescape(encodeURIComponent(a)))}}, 
u=g.BufferedBlockAlgorithm=m.extend({reset:function(){this._data=new r.init;this._nDataBytes=0},_append:function(a){"string"==typeof a&&(a=j.parse(a));this._data.concat(a);this._nDataBytes+=a.sigBytes},_process:function(a){var c=this._data,d=c.words,b=c.sigBytes,e=this.blockSize,f=b/(4*e),f=a?h.ceil(f):h.max((f|0)-this._minBufferSize,0);a=f*e;b=h.min(4*a,b);if(a){for(var g=0;g<a;g+=e)this._doProcessBlock(d,g);g=d.splice(0,a);c.sigBytes-=b}return new r.init(g,b)},clone:function(){var a=m.clone.call(this); 
a._data=this._data.clone();return a},_minBufferSize:0});g.Hasher=u.extend({cfg:m.extend(),init:function(a){this.cfg=this.cfg.extend(a);this.reset()},reset:function(){u.reset.call(this);this._doReset()},update:function(a){this._append(a);this._process();return this},finalize:function(a){a&&this._append(a);return this._doFinalize()},blockSize:16,_createHelper:function(a){return function(c,d){return(new a.init(d)).finalize(c)}},_createHmacHelper:function(a){return function(c,d){return(new t.HMAC.init(a, 
d)).finalize(c)}}});var t=f.algo={};return f}(Math); 
(function(h){for(var s=CryptoJS,f=s.lib,g=f.WordArray,q=f.Hasher,f=s.algo,m=[],r=[],l=function(a){return 4294967296*(a-(a|0))|0},k=2,n=0;64>n;){var j;a:{j=k;for(var u=h.sqrt(j),t=2;t<=u;t++)if(!(j%t)){j=!1;break a}j=!0}j&&(8>n&&(m[n]=l(h.pow(k,0.5))),r[n]=l(h.pow(k,1/3)),n++);k++}var a=[],f=f.SHA256=q.extend({_doReset:function(){this._hash=new g.init(m.slice(0))},_doProcessBlock:function(c,d){for(var b=this._hash.words,e=b[0],f=b[1],g=b[2],j=b[3],h=b[4],m=b[5],n=b[6],q=b[7],p=0;64>p;p++){if(16>p)a[p]= 
c[d+p]|0;else{var k=a[p-15],l=a[p-2];a[p]=((k<<25|k>>>7)^(k<<14|k>>>18)^k>>>3)+a[p-7]+((l<<15|l>>>17)^(l<<13|l>>>19)^l>>>10)+a[p-16]}k=q+((h<<26|h>>>6)^(h<<21|h>>>11)^(h<<7|h>>>25))+(h&m^~h&n)+r[p]+a[p];l=((e<<30|e>>>2)^(e<<19|e>>>13)^(e<<10|e>>>22))+(e&f^e&g^f&g);q=n;n=m;m=h;h=j+k|0;j=g;g=f;f=e;e=k+l|0}b[0]=b[0]+e|0;b[1]=b[1]+f|0;b[2]=b[2]+g|0;b[3]=b[3]+j|0;b[4]=b[4]+h|0;b[5]=b[5]+m|0;b[6]=b[6]+n|0;b[7]=b[7]+q|0},_doFinalize:function(){var a=this._data,d=a.words,b=8*this._nDataBytes,e=8*a.sigBytes; 
d[e>>>5]|=128<<24-e%32;d[(e+64>>>9<<4)+14]=h.floor(b/4294967296);d[(e+64>>>9<<4)+15]=b;a.sigBytes=4*d.length;this._process();return this._hash},clone:function(){var a=q.clone.call(this);a._hash=this._hash.clone();return a}});s.SHA256=q._createHelper(f);s.HmacSHA256=q._createHmacHelper(f)})(Math); 
(function(){var h=CryptoJS,s=h.enc.Utf8;h.algo.HMAC=h.lib.Base.extend({init:function(f,g){f=this._hasher=new f.init;"string"==typeof g&&(g=s.parse(g));var h=f.blockSize,m=4*h;g.sigBytes>m&&(g=f.finalize(g));g.clamp();for(var r=this._oKey=g.clone(),l=this._iKey=g.clone(),k=r.words,n=l.words,j=0;j<h;j++)k[j]^=1549556828,n[j]^=909522486;r.sigBytes=l.sigBytes=m;this.reset()},reset:function(){var f=this._hasher;f.reset();f.update(this._iKey)},update:function(f){this._hasher.update(f);return this},finalize:function(f){var g= 
this._hasher;f=g.finalize(f);g.reset();return g.finalize(this._oKey.clone().concat(f))}})})(); 
</script> 
<script type="text/javascript"> 
    /* 
    https://raw.githubusercontent.com/jkiss/crypto-js/master/tags/3.1.2/build/components/enc-base64-min.js 
CryptoJS v3.1.2 
code.google.com/p/crypto-js 
(c) 2009-2013 by Jeff Mott. All rights reserved. 
code.google.com/p/crypto-js/wiki/License 
*/ 
(function(){var h=CryptoJS,j=h.lib.WordArray;h.enc.Base64={stringify:function(b){var e=b.words,f=b.sigBytes,c=this._map;b.clamp();b=[];for(var a=0;a<f;a+=3)for(var d=(e[a>>>2]>>>24-8*(a%4)&255)<<16|(e[a+1>>>2]>>>24-8*((a+1)%4)&255)<<8|e[a+2>>>2]>>>24-8*((a+2)%4)&255,g=0;4>g&&a+0.75*g<f;g++)b.push(c.charAt(d>>>6*(3-g)&63));if(e=c.charAt(64))for(;b.length%4;)b.push(e);return b.join("")},parse:function(b){var e=b.length,f=this._map,c=f.charAt(64);c&&(c=b.indexOf(c),-1!=c&&(e=c));for(var c=[],a=0,d=0;d<e;d++)if(d%4){var g=f.indexOf(b.charAt(d-1))<<2*(d%4),h=f.indexOf(b.charAt(d))>>>6-2*(d%4);c[a>>>2]|=(g|h)<<24-8*(a%4);a++}return j.create(c,a)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz/="}})(); 
</script> 


<script> 
    var secret="secret" 




    data_time= '2017' + '-' + '12' + '-' + '11' + ' ' + '23' + ':' + '31' + ':' + '55'; 

    //params.content['timestamp'] = '2017' + '-' + '12' + '-' + '11' + ' ' 
    //       + '23' + ':' + '31' + ':' + '55'; 

    var json = JSON.stringify({"timestamp":"2017-12-11 23:31:55"}); 
    console.log(json); 

    var data1=CryptoJS.enc.Base64.stringify(CryptoJS.HmacSHA256(data_time,secret)); 
    console.log("Without json:"); 
    console.log(data1);//XZqVjDKYG8NRITjiMNXFZnNdUDb+JIr7Vm+f3CabETY= 



    var data2=CryptoJS.enc.Base64.stringify(CryptoJS.HmacSHA256(json,secret)); 
    console.log("With json:"); 

    console.log(data2);//s5q78/m3wIb518O8M9x1rAM2DvG/I+Vmt0rBtb6LYS8= 
</script> 

답변

3

파이썬에서 msg_datajson을 가능성이있다 약간 다른.

msg_data = json.dumps(data1, separators=(',', ':')) 
: 각 후 기본 공간을 제거 할 수있는 옵션 separator argument to json.dumps

{"timestamp":"2017-12-11 23:31:55"} 

사용 :

{"timestamp": "2017-12-11 23:31:55"} 

json 자바 스크립트에서 : 파이썬에서

msg_data

2

당신은 다른 데이터를 해시하고 있습니다. 파이썬 버전에서

, msg_data은 다음과 같습니다

자바 스크립트 버전에서
{"timestamp": "2017-12-11 23:31:55"} 
      ^^^ 

, json은 : JS 버전 "timestamp": 이후에는 공간이 없다는 것을

{"timestamp":"2017-12-11 23:31:55"} 
      ^^ 

참고. 모든 JSON 구현이 동일한 데이터에 대해 동일한 출력을 생성하는 것은 아닙니다. (사전에 하나 이상의 키있을 때 당신은 더 많은 문제로 실행하겠습니다 - JSON은 키에 표시 주문 무엇에 어떤 요구 사항을 설정하지 않습니다.) 자바 스크립트에서

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