add shake algorithm

pull/6/head
Yi-Cyuan 10 years ago
parent 61300d2d34
commit 7423f9ef37

@ -1,10 +1,10 @@
language: node_js
node_js:
- "0.12"
- "0.11"
- "0.10"
- "0.8"
before_install:
- npm install mocha -g
- npm install coveralls -g
- npm install mocha-lcov-reporter -g
script: npm run-script coveralls

@ -1,3 +1,8 @@
# v0.4.0 / 2015-09-17
* Support to output ArrayBuffer.
* Add shake alogirthms.
# v0.3.1 / 2015-05-22
* Fixed bugs.

@ -2,7 +2,7 @@
[![Build Status](https://travis-ci.org/emn178/js-sha3.svg?branch=master)](https://travis-ci.org/emn178/js-sha3)
[![Coverage Status](https://coveralls.io/repos/emn178/js-sha3/badge.svg?branch=master)](https://coveralls.io/r/emn178/js-sha3?branch=master)
[![NPM](https://nodei.co/npm/js-sha3.png?stars&downloads)](https://nodei.co/npm/js-sha3/)
A simple SHA-3 / Keccak hash function for JavaScript supports UTF-8 encoding.
A simple SHA-3 / Keccak / Shake hash function for JavaScript supports UTF-8 encoding.
## Notice
Sha3 methods has been renamed to keccak since v0.2.0. It means that sha3 methods of v0.1.x are equal to keccak methods of v0.2.x and later.
@ -41,6 +41,11 @@ keccak_512('Message to hash');
keccak_384('Message to hash');
keccak_256('Message to hash');
keccak_224('Message to hash');
shake_128('Message to hash', 256);
shake_256('Message to hash', 512);
// Support ArrayBuffer output
var buffer = keccak_224.buffer('Message to hash');
```
If you use node.js, you should require the module first:
```JavaScript
@ -52,6 +57,8 @@ keccak_512 = require('js-sha3').keccak_512;
keccak_384 = require('js-sha3').keccak_384;
keccak_256 = require('js-sha3').keccak_256;
keccak_224 = require('js-sha3').keccak_224;
shake_128 = require('js-sha3').shake_128;
shake_256 = require('js-sha3').shake_256;
```
## Example
@ -128,6 +135,12 @@ keccak_224('The quick brown fox jumps over the lazy dog');
keccak_224('The quick brown fox jumps over the lazy dog.');
// c59d4eaeac728671c635ff645014e2afa935bebffdb5fbd207ffdeab
shake_128('', 256);
// 7f9c2ba4e88f827d616045507605853ed73b8093f6efbc88eb1a6eacfa66ef26
shake_256('', 512);
// 46b9dd2b0ba88d13233b3feb743eeb243fcd52ea62b81b82b50c27646ed5762fd75dc4ddd8c0f200cb05019d67b592f6fc821c49479ab48640292eacb3b7c4be
```
It also supports UTF-8 encoding:

@ -1,6 +1,6 @@
{
"name": "js-sha3",
"version": "0.3.1",
"version": "0.4.0",
"main": ["src/sha3.js"],
"ignore": [
"samples",

26
build/sha3.min.js vendored

@ -1,5 +1,5 @@
/*
* js-sha3 v0.3.1
* js-sha3 v0.4.0
* https://github.com/emn178/js-sha3
*
* Copyright 2015, emn178@gmail.com
@ -7,16 +7,14 @@
* Licensed under the MIT license:
* http://www.opensource.org/licenses/MIT
*/
(function(w,Ba){var E="undefined"!=typeof module;E&&(w=global,w.JS_SHA3_TEST&&(w.navigator={userAgent:"Chrome"}));var Ca=(w.JS_SHA3_TEST||!E)&&-1!=navigator.userAgent.indexOf("Chrome"),b="0123456789abcdef".split(""),H=[1,256,65536,16777216],D=[6,1536,393216,100663296],C=[0,8,16,24],ua=[1,0,32898,0,32906,2147483648,2147516416,2147483648,32907,0,2147483649,0,2147516545,2147483648,32777,2147483648,138,0,136,0,2147516425,0,2147483658,0,2147516555,0,139,2147483648,32905,2147483648,32771,2147483648,32770,
2147483648,128,2147483648,32778,0,2147483658,2147483648,2147516545,2147483648,32896,2147483648,2147483649,0,2147516424,2147483648],e=[],a=[],G=function(a){return h(a,224,H)},va=function(a){return h(a,256,H)},wa=function(a){return h(a,384,H)},xa=function(a){return h(a,224,D)},ya=function(a){return h(a,256,D)},za=function(a){return h(a,384,D)},Aa=function(a){return h(a,512,D)},h=function(g,h,D){var E="string"!=typeof g;E&&g.constructor==w.ArrayBuffer&&(g=new Uint8Array(g));h===Ba&&(h=512,D=H);var sa,
f,G=!1,B=0,ta=0,I=g.length,c,d,k,l,m,n,p,q,r,t,u,v,x,y,z,A,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,aa,ba,ca,da,ea,fa,ga,ha,ia,ja,ka,la,ma,na,oa,pa,qa,F=(1600-2*h)/32,ra=4*F;for(c=0;50>c;++c)a[c]=0;sa=0;do{e[0]=sa;for(c=1;c<F+1;++c)e[c]=0;if(E)for(c=ta;B<I&&c<ra;++B)e[c>>2]|=g[B]<<C[c++&3];else for(c=ta;B<I&&c<ra;++B)f=g.charCodeAt(B),128>f?e[c>>2]|=f<<C[c++&3]:(2048>f?e[c>>2]|=(192|f>>6)<<C[c++&3]:(55296>f||57344<=f?e[c>>2]|=(224|f>>12)<<C[c++&3]:(f=65536+((f&1023)<<10|g.charCodeAt(++B)&1023),e[c>>2]|=
(240|f>>18)<<C[c++&3],e[c>>2]|=(128|f>>12&63)<<C[c++&3]),e[c>>2]|=(128|f>>6&63)<<C[c++&3]),e[c>>2]|=(128|f&63)<<C[c++&3]);ta=c-ra;B==I&&(e[c>>2]|=D[c&3],++B);sa=e[F];B>I&&c<ra&&(e[F-1]|=2147483648,G=!0);for(c=0;c<F;++c)a[c]^=e[c];for(f=0;48>f;f+=2)k=a[0]^a[10]^a[20]^a[30]^a[40],l=a[1]^a[11]^a[21]^a[31]^a[41],m=a[2]^a[12]^a[22]^a[32]^a[42],n=a[3]^a[13]^a[23]^a[33]^a[43],p=a[4]^a[14]^a[24]^a[34]^a[44],q=a[5]^a[15]^a[25]^a[35]^a[45],r=a[6]^a[16]^a[26]^a[36]^a[46],t=a[7]^a[17]^a[27]^a[37]^a[47],u=a[8]^
a[18]^a[28]^a[38]^a[48],v=a[9]^a[19]^a[29]^a[39]^a[49],d=u^(m<<1|n>>>31),c=v^(n<<1|m>>>31),a[0]^=d,a[1]^=c,a[10]^=d,a[11]^=c,a[20]^=d,a[21]^=c,a[30]^=d,a[31]^=c,a[40]^=d,a[41]^=c,d=k^(p<<1|q>>>31),c=l^(q<<1|p>>>31),a[2]^=d,a[3]^=c,a[12]^=d,a[13]^=c,a[22]^=d,a[23]^=c,a[32]^=d,a[33]^=c,a[42]^=d,a[43]^=c,d=m^(r<<1|t>>>31),c=n^(t<<1|r>>>31),a[4]^=d,a[5]^=c,a[14]^=d,a[15]^=c,a[24]^=d,a[25]^=c,a[34]^=d,a[35]^=c,a[44]^=d,a[45]^=c,d=p^(u<<1|v>>>31),c=q^(v<<1|u>>>31),a[6]^=d,a[7]^=c,a[16]^=d,a[17]^=c,a[26]^=
d,a[27]^=c,a[36]^=d,a[37]^=c,a[46]^=d,a[47]^=c,d=r^(k<<1|l>>>31),c=t^(l<<1|k>>>31),a[8]^=d,a[9]^=c,a[18]^=d,a[19]^=c,a[28]^=d,a[29]^=c,a[38]^=d,a[39]^=c,a[48]^=d,a[49]^=c,d=a[0],c=a[1],Z=a[11]<<4|a[10]>>>28,aa=a[10]<<4|a[11]>>>28,z=a[20]<<3|a[21]>>>29,A=a[21]<<3|a[20]>>>29,na=a[31]<<9|a[30]>>>23,oa=a[30]<<9|a[31]>>>23,V=a[40]<<18|a[41]>>>14,W=a[41]<<18|a[40]>>>14,N=a[2]<<1|a[3]>>>31,O=a[3]<<1|a[2]>>>31,k=a[13]<<12|a[12]>>>20,l=a[12]<<12|a[13]>>>20,ba=a[22]<<10|a[23]>>>22,ca=a[23]<<10|a[22]>>>22,J=
a[33]<<13|a[32]>>>19,K=a[32]<<13|a[33]>>>19,pa=a[42]<<2|a[43]>>>30,qa=a[43]<<2|a[42]>>>30,ha=a[5]<<30|a[4]>>>2,ia=a[4]<<30|a[5]>>>2,P=a[14]<<6|a[15]>>>26,Q=a[15]<<6|a[14]>>>26,m=a[25]<<11|a[24]>>>21,n=a[24]<<11|a[25]>>>21,da=a[34]<<15|a[35]>>>17,ea=a[35]<<15|a[34]>>>17,L=a[45]<<29|a[44]>>>3,M=a[44]<<29|a[45]>>>3,u=a[6]<<28|a[7]>>>4,v=a[7]<<28|a[6]>>>4,ja=a[17]<<23|a[16]>>>9,ka=a[16]<<23|a[17]>>>9,R=a[26]<<25|a[27]>>>7,S=a[27]<<25|a[26]>>>7,p=a[36]<<21|a[37]>>>11,q=a[37]<<21|a[36]>>>11,fa=a[47]<<24|
a[46]>>>8,ga=a[46]<<24|a[47]>>>8,X=a[8]<<27|a[9]>>>5,Y=a[9]<<27|a[8]>>>5,x=a[18]<<20|a[19]>>>12,y=a[19]<<20|a[18]>>>12,la=a[29]<<7|a[28]>>>25,ma=a[28]<<7|a[29]>>>25,T=a[38]<<8|a[39]>>>24,U=a[39]<<8|a[38]>>>24,r=a[48]<<14|a[49]>>>18,t=a[49]<<14|a[48]>>>18,a[0]=d^~k&m,a[1]=c^~l&n,a[10]=u^~x&z,a[11]=v^~y&A,a[20]=N^~P&R,a[21]=O^~Q&S,a[30]=X^~Z&ba,a[31]=Y^~aa&ca,a[40]=ha^~ja&la,a[41]=ia^~ka&ma,a[2]=k^~m&p,a[3]=l^~n&q,a[12]=x^~z&J,a[13]=y^~A&K,a[22]=P^~R&T,a[23]=Q^~S&U,a[32]=Z^~ba&da,a[33]=aa^~ca&ea,a[42]=
ja^~la&na,a[43]=ka^~ma&oa,a[4]=m^~p&r,a[5]=n^~q&t,a[14]=z^~J&L,a[15]=A^~K&M,a[24]=R^~T&V,a[25]=S^~U&W,a[34]=ba^~da&fa,a[35]=ca^~ea&ga,a[44]=la^~na&pa,a[45]=ma^~oa&qa,a[6]=p^~r&d,a[7]=q^~t&c,a[16]=J^~L&u,a[17]=K^~M&v,a[26]=T^~V&N,a[27]=U^~W&O,a[36]=da^~fa&X,a[37]=ea^~ga&Y,a[46]=na^~pa&ha,a[47]=oa^~qa&ia,a[8]=r^~d&k,a[9]=t^~c&l,a[18]=L^~u&x,a[19]=M^~v&y,a[28]=V^~N&P,a[29]=W^~O&Q,a[38]=fa^~X&Z,a[39]=ga^~Y&aa,a[48]=pa^~ha&ja,a[49]=qa^~ia&ka,a[0]^=ua[f],a[1]^=ua[f+1]}while(!G);g="";if(Ca)d=a[0],c=a[1],
k=a[2],l=a[3],m=a[4],n=a[5],p=a[6],q=a[7],r=a[8],t=a[9],u=a[10],v=a[11],x=a[12],y=a[13],z=a[14],A=a[15],g+=b[d>>4&15]+b[d&15]+b[d>>12&15]+b[d>>8&15]+b[d>>20&15]+b[d>>16&15]+b[d>>28&15]+b[d>>24&15]+b[c>>4&15]+b[c&15]+b[c>>12&15]+b[c>>8&15]+b[c>>20&15]+b[c>>16&15]+b[c>>28&15]+b[c>>24&15]+b[k>>4&15]+b[k&15]+b[k>>12&15]+b[k>>8&15]+b[k>>20&15]+b[k>>16&15]+b[k>>28&15]+b[k>>24&15]+b[l>>4&15]+b[l&15]+b[l>>12&15]+b[l>>8&15]+b[l>>20&15]+b[l>>16&15]+b[l>>28&15]+b[l>>24&15]+b[m>>4&15]+b[m&15]+b[m>>12&15]+b[m>>
8&15]+b[m>>20&15]+b[m>>16&15]+b[m>>28&15]+b[m>>24&15]+b[n>>4&15]+b[n&15]+b[n>>12&15]+b[n>>8&15]+b[n>>20&15]+b[n>>16&15]+b[n>>28&15]+b[n>>24&15]+b[p>>4&15]+b[p&15]+b[p>>12&15]+b[p>>8&15]+b[p>>20&15]+b[p>>16&15]+b[p>>28&15]+b[p>>24&15],256<=h&&(g+=b[q>>4&15]+b[q&15]+b[q>>12&15]+b[q>>8&15]+b[q>>20&15]+b[q>>16&15]+b[q>>28&15]+b[q>>24&15]),384<=h&&(g+=b[r>>4&15]+b[r&15]+b[r>>12&15]+b[r>>8&15]+b[r>>20&15]+b[r>>16&15]+b[r>>28&15]+b[r>>24&15]+b[t>>4&15]+b[t&15]+b[t>>12&15]+b[t>>8&15]+b[t>>20&15]+b[t>>16&
15]+b[t>>28&15]+b[t>>24&15]+b[u>>4&15]+b[u&15]+b[u>>12&15]+b[u>>8&15]+b[u>>20&15]+b[u>>16&15]+b[u>>28&15]+b[u>>24&15]+b[v>>4&15]+b[v&15]+b[v>>12&15]+b[v>>8&15]+b[v>>20&15]+b[v>>16&15]+b[v>>28&15]+b[v>>24&15]),512==h&&(g+=b[x>>4&15]+b[x&15]+b[x>>12&15]+b[x>>8&15]+b[x>>20&15]+b[x>>16&15]+b[x>>28&15]+b[x>>24&15]+b[y>>4&15]+b[y&15]+b[y>>12&15]+b[y>>8&15]+b[y>>20&15]+b[y>>16&15]+b[y>>28&15]+b[y>>24&15]+b[z>>4&15]+b[z&15]+b[z>>12&15]+b[z>>8&15]+b[z>>20&15]+b[z>>16&15]+b[z>>28&15]+b[z>>24&15]+b[A>>4&15]+
b[A&15]+b[A>>12&15]+b[A>>8&15]+b[A>>20&15]+b[A>>16&15]+b[A>>28&15]+b[A>>24&15]);else for(c=0,f=h/32;c<f;++c)d=a[c],g+=b[d>>4&15]+b[d&15]+b[d>>12&15]+b[d>>8&15]+b[d>>20&15]+b[d>>16&15]+b[d>>28&15]+b[d>>24&15];return g};!w.JS_SHA3_TEST&&E?module.exports={sha3_512:Aa,sha3_384:za,sha3_256:ya,sha3_224:xa,keccak_512:h,keccak_384:wa,keccak_256:va,keccak_224:G}:w&&(w.sha3_512=Aa,w.sha3_384=za,w.sha3_256=ya,w.sha3_224=xa,w.keccak_512=h,w.keccak_384=wa,w.keccak_256=va,w.keccak_224=G)})(this);
(function(E,Da){var xa="undefined"!=typeof module;xa&&(E=global,E.JS_SHA3_TEST&&(E.navigator={userAgent:"Chrome"}));for(var g="0123456789abcdef".split(""),r=[0,8,16,24],ya=[1,0,32898,0,32906,2147483648,2147516416,2147483648,32907,0,2147483649,0,2147516545,2147483648,32777,2147483648,138,0,136,0,2147516425,0,2147483658,0,2147516555,0,139,2147483648,32905,2147483648,32771,2147483648,32770,2147483648,128,2147483648,32778,0,2147483658,2147483648,2147516545,2147483648,32896,2147483648,2147483649,0,2147516424,
2147483648],m=[224,256,384,512],za=["hex","buffer","shake"],p=function(a,e,l){return function(f){return Aa(f,a,e,a,l)}},m=[{name:"keccak",padding:[1,256,65536,16777216],bits:m,createMethod:p},{name:"sha3",padding:[6,1536,393216,100663296],bits:m,createMethod:p},{name:"shake",padding:[31,7936,2031616,520093696],bits:[128,256],createMethod:function(a,e,l){return function(f,g){return Aa(f,a,e,g,l)}}}],e=[],a=[],F={},ua=0;ua<m.length;++ua)for(var va=m[ua],Ba=va.bits,p=va.createMethod,wa=0;wa<Ba.length;++wa)(function(a,
e){var g=p(e,a.padding,"hex");F[a.name+"_"+e]=g;for(var f=0;f<za.length;++f){var q=za[f];g[q]=p(e,a.padding,q)}})(va,Ba[wa]);var Aa=function(k,t,l,f,q){var m="string"!=typeof k;m&&k.constructor==E.ArrayBuffer&&(k=new Uint8Array(k));var p,h,F=!1,n=0;h=0;var G=k.length,b,c,d,u,v,w,x,y,z,A,B,C,D,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,aa,ba,ca,da,ea,fa,ga,ha,ia,ja,ka,la,ma,na,oa,pa,qa,ra,sa;t=(1600-2*t)/32;var ta=4*t;for(b=0;50>b;++b)a[b]=0;p=0;do{e[0]=p;for(b=1;b<t+1;++b)e[b]=0;if(m)for(b=h;n<G&&b<ta;++n)e[b>>
2]|=k[n]<<r[b++&3];else for(b=h;n<G&&b<ta;++n)h=k.charCodeAt(n),128>h?e[b>>2]|=h<<r[b++&3]:(2048>h?e[b>>2]|=(192|h>>6)<<r[b++&3]:(55296>h||57344<=h?e[b>>2]|=(224|h>>12)<<r[b++&3]:(h=65536+((h&1023)<<10|k.charCodeAt(++n)&1023),e[b>>2]|=(240|h>>18)<<r[b++&3],e[b>>2]|=(128|h>>12&63)<<r[b++&3]),e[b>>2]|=(128|h>>6&63)<<r[b++&3]),e[b>>2]|=(128|h&63)<<r[b++&3]);h=b-ta;n==G&&(e[b>>2]|=l[b&3],++n);p=e[t];n>G&&b<ta&&(e[t-1]|=2147483648,F=!0);for(b=0;b<t;++b)a[b]^=e[b];for(b=0;48>b;b+=2)u=a[0]^a[10]^a[20]^a[30]^
a[40],v=a[1]^a[11]^a[21]^a[31]^a[41],w=a[2]^a[12]^a[22]^a[32]^a[42],x=a[3]^a[13]^a[23]^a[33]^a[43],y=a[4]^a[14]^a[24]^a[34]^a[44],z=a[5]^a[15]^a[25]^a[35]^a[45],A=a[6]^a[16]^a[26]^a[36]^a[46],B=a[7]^a[17]^a[27]^a[37]^a[47],C=a[8]^a[18]^a[28]^a[38]^a[48],D=a[9]^a[19]^a[29]^a[39]^a[49],c=C^(w<<1|x>>>31),d=D^(x<<1|w>>>31),a[0]^=c,a[1]^=d,a[10]^=c,a[11]^=d,a[20]^=c,a[21]^=d,a[30]^=c,a[31]^=d,a[40]^=c,a[41]^=d,c=u^(y<<1|z>>>31),d=v^(z<<1|y>>>31),a[2]^=c,a[3]^=d,a[12]^=c,a[13]^=d,a[22]^=c,a[23]^=d,a[32]^=
c,a[33]^=d,a[42]^=c,a[43]^=d,c=w^(A<<1|B>>>31),d=x^(B<<1|A>>>31),a[4]^=c,a[5]^=d,a[14]^=c,a[15]^=d,a[24]^=c,a[25]^=d,a[34]^=c,a[35]^=d,a[44]^=c,a[45]^=d,c=y^(C<<1|D>>>31),d=z^(D<<1|C>>>31),a[6]^=c,a[7]^=d,a[16]^=c,a[17]^=d,a[26]^=c,a[27]^=d,a[36]^=c,a[37]^=d,a[46]^=c,a[47]^=d,c=A^(u<<1|v>>>31),d=B^(v<<1|u>>>31),a[8]^=c,a[9]^=d,a[18]^=c,a[19]^=d,a[28]^=c,a[29]^=d,a[38]^=c,a[39]^=d,a[48]^=c,a[49]^=d,c=a[0],d=a[1],ba=a[11]<<4|a[10]>>>28,ca=a[10]<<4|a[11]>>>28,J=a[20]<<3|a[21]>>>29,K=a[21]<<3|a[20]>>>
29,pa=a[31]<<9|a[30]>>>23,qa=a[30]<<9|a[31]>>>23,X=a[40]<<18|a[41]>>>14,Y=a[41]<<18|a[40]>>>14,P=a[2]<<1|a[3]>>>31,Q=a[3]<<1|a[2]>>>31,u=a[13]<<12|a[12]>>>20,v=a[12]<<12|a[13]>>>20,da=a[22]<<10|a[23]>>>22,ea=a[23]<<10|a[22]>>>22,L=a[33]<<13|a[32]>>>19,M=a[32]<<13|a[33]>>>19,ra=a[42]<<2|a[43]>>>30,sa=a[43]<<2|a[42]>>>30,ja=a[5]<<30|a[4]>>>2,ka=a[4]<<30|a[5]>>>2,R=a[14]<<6|a[15]>>>26,S=a[15]<<6|a[14]>>>26,w=a[25]<<11|a[24]>>>21,x=a[24]<<11|a[25]>>>21,fa=a[34]<<15|a[35]>>>17,ga=a[35]<<15|a[34]>>>17,
N=a[45]<<29|a[44]>>>3,O=a[44]<<29|a[45]>>>3,C=a[6]<<28|a[7]>>>4,D=a[7]<<28|a[6]>>>4,la=a[17]<<23|a[16]>>>9,ma=a[16]<<23|a[17]>>>9,T=a[26]<<25|a[27]>>>7,U=a[27]<<25|a[26]>>>7,y=a[36]<<21|a[37]>>>11,z=a[37]<<21|a[36]>>>11,ha=a[47]<<24|a[46]>>>8,ia=a[46]<<24|a[47]>>>8,Z=a[8]<<27|a[9]>>>5,aa=a[9]<<27|a[8]>>>5,H=a[18]<<20|a[19]>>>12,I=a[19]<<20|a[18]>>>12,na=a[29]<<7|a[28]>>>25,oa=a[28]<<7|a[29]>>>25,V=a[38]<<8|a[39]>>>24,W=a[39]<<8|a[38]>>>24,A=a[48]<<14|a[49]>>>18,B=a[49]<<14|a[48]>>>18,a[0]=c^~u&w,
a[1]=d^~v&x,a[10]=C^~H&J,a[11]=D^~I&K,a[20]=P^~R&T,a[21]=Q^~S&U,a[30]=Z^~ba&da,a[31]=aa^~ca&ea,a[40]=ja^~la&na,a[41]=ka^~ma&oa,a[2]=u^~w&y,a[3]=v^~x&z,a[12]=H^~J&L,a[13]=I^~K&M,a[22]=R^~T&V,a[23]=S^~U&W,a[32]=ba^~da&fa,a[33]=ca^~ea&ga,a[42]=la^~na&pa,a[43]=ma^~oa&qa,a[4]=w^~y&A,a[5]=x^~z&B,a[14]=J^~L&N,a[15]=K^~M&O,a[24]=T^~V&X,a[25]=U^~W&Y,a[34]=da^~fa&ha,a[35]=ea^~ga&ia,a[44]=na^~pa&ra,a[45]=oa^~qa&sa,a[6]=y^~A&c,a[7]=z^~B&d,a[16]=L^~N&C,a[17]=M^~O&D,a[26]=V^~X&P,a[27]=W^~Y&Q,a[36]=fa^~ha&Z,a[37]=
ga^~ia&aa,a[46]=pa^~ra&ja,a[47]=qa^~sa&ka,a[8]=A^~c&u,a[9]=B^~d&v,a[18]=N^~C&H,a[19]=O^~D&I,a[28]=X^~P&R,a[29]=Y^~Q&S,a[38]=ha^~Z&ba,a[39]=ia^~aa&ca,a[48]=ra^~ja&la,a[49]=sa^~ka&ma,a[0]^=ya[b],a[1]^=ya[b+1]}while(!F);k=parseInt(f/32);l=parseInt(f%32/8);if("buffer"==q){f/=8;q=l?new ArrayBuffer(4*(k+1)):new ArrayBuffer(f);m=new Uint32Array(q);for(b=0;b<k;++b)m[b]=a[b];l&&(m[b]=a[b],q=q.slice(0,f));return q}f="";for(b=0;b<k;++b)c=a[b],f+=g[c>>4&15]+g[c&15]+g[c>>12&15]+g[c>>8&15]+g[c>>20&15]+g[c>>16&
15]+g[c>>28&15]+g[c>>24&15];l&&(c=a[b],0<l&&(f+=g[c>>4&15]+g[c&15]),1<l&&(f+=g[c>>12&15]+g[c>>8&15]),2<l&&(f+=g[c>>20&15]+g[c>>16&15]));return f};if(!E.JS_SHA3_TEST&&xa)module.exports=F;else if(E)for(var Ca in F)E[Ca]=F[Ca]})(this);

@ -1,11 +1,12 @@
{
"name": "js-sha3",
"version": "0.3.1",
"description": "A simple SHA-3 / Keccak hash function for JavaScript supports UTF-8 encoding.",
"version": "0.4.0",
"description": "A simple SHA-3 / Keccak / Shake hash function for JavaScript supports UTF-8 encoding.",
"main": "src/sha3.js",
"devDependencies": {
"expect.js": "~0.3.1",
"jscoverage": "~0.5.9"
"jscoverage": "~0.5.9",
"mocha": "~2.3.2"
},
"scripts": {
"test": "mocha tests/node-test.js -r jscoverage",

@ -17,8 +17,8 @@
root.navigator = { userAgent: 'Chrome'};
}
}
var CHROME = (root.JS_SHA3_TEST || !NODE_JS) && navigator.userAgent.indexOf('Chrome') != -1;
var HEX_CHARS = '0123456789abcdef'.split('');
var SHAKE_PADDING = [31, 7936, 2031616, 520093696];
var KECCAK_PADDING = [1, 256, 65536, 16777216];
var PADDING = [6, 1536, 393216, 100663296];
var SHIFT = [0, 8, 16, 24];
@ -28,23 +28,34 @@
2147483648, 32770, 2147483648, 128, 2147483648, 32778, 0, 2147483658, 2147483648,
2147516545, 2147483648, 32896, 2147483648, 2147483649, 0, 2147516424, 2147483648];
var BITS = [224, 256, 384, 512];
var ALGORITHMS = [
{name: 'keccak', padding: KECCAK_PADDING},
{name: 'sha3', padding: PADDING}
];
var OUTPUT_TYPES = ['hex', 'buffer'];
var blocks = [], s = [], methods = {};
var SHAKE_BITS = [128, 256];
var OUTPUT_TYPES = ['hex', 'buffer', 'shake'];
var createMethod = function(bits, padding, outputType) {
return function(message) {
return keccak(message, bits, padding, outputType);
return keccak(message, bits, padding, bits, outputType);
}
};
for(var i = 0;i < ALGORITHMS.length;++i) {
var algorithm = ALGORITHMS[i];
for(var j = 0;j < BITS.length;++j) {
var createShakeMethod = function(bits, padding, outputType) {
return function(message, outputBits) {
return keccak(message, bits, padding, outputBits, outputType);
}
};
var algorithms = [
{name: 'keccak', padding: KECCAK_PADDING, bits: BITS, createMethod: createMethod},
{name: 'sha3', padding: PADDING, bits: BITS, createMethod: createMethod},
{name: 'shake', padding: SHAKE_PADDING, bits: SHAKE_BITS, createMethod: createShakeMethod}
];
var blocks = [], s = [], methods = {};
for(var i = 0;i < algorithms.length;++i) {
var algorithm = algorithms[i];
var bits = algorithm.bits;
var createMethod = algorithm.createMethod;
for(var j = 0;j < bits.length;++j) {
(function(algorithm, bits) {
var method = createMethod(bits, algorithm.padding, 'hex');
methods[algorithm.name +'_' + bits] = method;
@ -52,11 +63,11 @@
var type = OUTPUT_TYPES[k];
method[type] = createMethod(bits, algorithm.padding, type);
}
})(algorithm, BITS[j]);
})(algorithm, bits[j]);
}
}
var keccak = function(message, bits, padding, outputType) {
var keccak = function(message, bits, padding, outputBits, outputType) {
var notString = typeof(message) != 'string';
if(notString && message.constructor == root.ArrayBuffer) {
message = new Uint8Array(message);
@ -300,112 +311,45 @@
}
} while(!end);
var outputBlocks = parseInt(outputBits / 32);
var extraBytes = parseInt((outputBits % 32) / 8);
if(outputType == 'buffer') {
var length = bits / 32;
var buffer = new ArrayBuffer(bits / 8);
var bytes = outputBits / 8;
var buffer;
if(extraBytes) {
buffer = new ArrayBuffer((outputBlocks + 1) * 4);
} else {
buffer = new ArrayBuffer(bytes);
}
var array = new Uint32Array(buffer);
for(var i = 0;i < length;++i) {
for(i = 0;i < outputBlocks;++i) {
array[i] = s[i];
}
if(extraBytes) {
array[i] = s[i];
buffer = buffer.slice(0, bytes);
}
return buffer;
} else {
var hex = '';
if(CHROME) {
b0 = s[0];
b1 = s[1];
b2 = s[2];
b3 = s[3];
b4 = s[4];
b5 = s[5];
b6 = s[6];
b7 = s[7];
b8 = s[8];
b9 = s[9];
b10 = s[10];
b11 = s[11];
b12 = s[12];
b13 = s[13];
b14 = s[14];
b15 = s[15];
hex += HEX_CHARS[(b0 >> 4) & 0x0F] + HEX_CHARS[b0 & 0x0F] +
HEX_CHARS[(b0 >> 12) & 0x0F] + HEX_CHARS[(b0 >> 8) & 0x0F] +
HEX_CHARS[(b0 >> 20) & 0x0F] + HEX_CHARS[(b0 >> 16) & 0x0F] +
HEX_CHARS[(b0 >> 28) & 0x0F] + HEX_CHARS[(b0 >> 24) & 0x0F] +
HEX_CHARS[(b1 >> 4) & 0x0F] + HEX_CHARS[b1 & 0x0F] +
HEX_CHARS[(b1 >> 12) & 0x0F] + HEX_CHARS[(b1 >> 8) & 0x0F] +
HEX_CHARS[(b1 >> 20) & 0x0F] + HEX_CHARS[(b1 >> 16) & 0x0F] +
HEX_CHARS[(b1 >> 28) & 0x0F] + HEX_CHARS[(b1 >> 24) & 0x0F] +
HEX_CHARS[(b2 >> 4) & 0x0F] + HEX_CHARS[b2 & 0x0F] +
HEX_CHARS[(b2 >> 12) & 0x0F] + HEX_CHARS[(b2 >> 8) & 0x0F] +
HEX_CHARS[(b2 >> 20) & 0x0F] + HEX_CHARS[(b2 >> 16) & 0x0F] +
HEX_CHARS[(b2 >> 28) & 0x0F] + HEX_CHARS[(b2 >> 24) & 0x0F] +
HEX_CHARS[(b3 >> 4) & 0x0F] + HEX_CHARS[b3 & 0x0F] +
HEX_CHARS[(b3 >> 12) & 0x0F] + HEX_CHARS[(b3 >> 8) & 0x0F] +
HEX_CHARS[(b3 >> 20) & 0x0F] + HEX_CHARS[(b3 >> 16) & 0x0F] +
HEX_CHARS[(b3 >> 28) & 0x0F] + HEX_CHARS[(b3 >> 24) & 0x0F] +
HEX_CHARS[(b4 >> 4) & 0x0F] + HEX_CHARS[b4 & 0x0F] +
HEX_CHARS[(b4 >> 12) & 0x0F] + HEX_CHARS[(b4 >> 8) & 0x0F] +
HEX_CHARS[(b4 >> 20) & 0x0F] + HEX_CHARS[(b4 >> 16) & 0x0F] +
HEX_CHARS[(b4 >> 28) & 0x0F] + HEX_CHARS[(b4 >> 24) & 0x0F] +
HEX_CHARS[(b5 >> 4) & 0x0F] + HEX_CHARS[b5 & 0x0F] +
HEX_CHARS[(b5 >> 12) & 0x0F] + HEX_CHARS[(b5 >> 8) & 0x0F] +
HEX_CHARS[(b5 >> 20) & 0x0F] + HEX_CHARS[(b5 >> 16) & 0x0F] +
HEX_CHARS[(b5 >> 28) & 0x0F] + HEX_CHARS[(b5 >> 24) & 0x0F] +
HEX_CHARS[(b6 >> 4) & 0x0F] + HEX_CHARS[b6 & 0x0F] +
HEX_CHARS[(b6 >> 12) & 0x0F] + HEX_CHARS[(b6 >> 8) & 0x0F] +
HEX_CHARS[(b6 >> 20) & 0x0F] + HEX_CHARS[(b6 >> 16) & 0x0F] +
HEX_CHARS[(b6 >> 28) & 0x0F] + HEX_CHARS[(b6 >> 24) & 0x0F];
if(bits >= 256) {
hex += HEX_CHARS[(b7 >> 4) & 0x0F] + HEX_CHARS[b7 & 0x0F] +
HEX_CHARS[(b7 >> 12) & 0x0F] + HEX_CHARS[(b7 >> 8) & 0x0F] +
HEX_CHARS[(b7 >> 20) & 0x0F] + HEX_CHARS[(b7 >> 16) & 0x0F] +
HEX_CHARS[(b7 >> 28) & 0x0F] + HEX_CHARS[(b7 >> 24) & 0x0F];
}
if(bits >= 384) {
hex += HEX_CHARS[(b8 >> 4) & 0x0F] + HEX_CHARS[b8 & 0x0F] +
HEX_CHARS[(b8 >> 12) & 0x0F] + HEX_CHARS[(b8 >> 8) & 0x0F] +
HEX_CHARS[(b8 >> 20) & 0x0F] + HEX_CHARS[(b8 >> 16) & 0x0F] +
HEX_CHARS[(b8 >> 28) & 0x0F] + HEX_CHARS[(b8 >> 24) & 0x0F] +
HEX_CHARS[(b9 >> 4) & 0x0F] + HEX_CHARS[b9 & 0x0F] +
HEX_CHARS[(b9 >> 12) & 0x0F] + HEX_CHARS[(b9 >> 8) & 0x0F] +
HEX_CHARS[(b9 >> 20) & 0x0F] + HEX_CHARS[(b9 >> 16) & 0x0F] +
HEX_CHARS[(b9 >> 28) & 0x0F] + HEX_CHARS[(b9 >> 24) & 0x0F] +
HEX_CHARS[(b10 >> 4) & 0x0F] + HEX_CHARS[b10 & 0x0F] +
HEX_CHARS[(b10 >> 12) & 0x0F] + HEX_CHARS[(b10 >> 8) & 0x0F] +
HEX_CHARS[(b10 >> 20) & 0x0F] + HEX_CHARS[(b10 >> 16) & 0x0F] +
HEX_CHARS[(b10 >> 28) & 0x0F] + HEX_CHARS[(b10 >> 24) & 0x0F] +
HEX_CHARS[(b11 >> 4) & 0x0F] + HEX_CHARS[b11 & 0x0F] +
HEX_CHARS[(b11 >> 12) & 0x0F] + HEX_CHARS[(b11 >> 8) & 0x0F] +
HEX_CHARS[(b11 >> 20) & 0x0F] + HEX_CHARS[(b11 >> 16) & 0x0F] +
HEX_CHARS[(b11 >> 28) & 0x0F] + HEX_CHARS[(b11 >> 24) & 0x0F];
}
if(bits == 512) {
hex += HEX_CHARS[(b12 >> 4) & 0x0F] + HEX_CHARS[b12 & 0x0F] +
HEX_CHARS[(b12 >> 12) & 0x0F] + HEX_CHARS[(b12 >> 8) & 0x0F] +
HEX_CHARS[(b12 >> 20) & 0x0F] + HEX_CHARS[(b12 >> 16) & 0x0F] +
HEX_CHARS[(b12 >> 28) & 0x0F] + HEX_CHARS[(b12 >> 24) & 0x0F] +
HEX_CHARS[(b13 >> 4) & 0x0F] + HEX_CHARS[b13 & 0x0F] +
HEX_CHARS[(b13 >> 12) & 0x0F] + HEX_CHARS[(b13 >> 8) & 0x0F] +
HEX_CHARS[(b13 >> 20) & 0x0F] + HEX_CHARS[(b13 >> 16) & 0x0F] +
HEX_CHARS[(b13 >> 28) & 0x0F] + HEX_CHARS[(b13 >> 24) & 0x0F] +
HEX_CHARS[(b14 >> 4) & 0x0F] + HEX_CHARS[b14 & 0x0F] +
HEX_CHARS[(b14 >> 12) & 0x0F] + HEX_CHARS[(b14 >> 8) & 0x0F] +
HEX_CHARS[(b14 >> 20) & 0x0F] + HEX_CHARS[(b14 >> 16) & 0x0F] +
HEX_CHARS[(b14 >> 28) & 0x0F] + HEX_CHARS[(b14 >> 24) & 0x0F] +
HEX_CHARS[(b15 >> 4) & 0x0F] + HEX_CHARS[b15 & 0x0F] +
HEX_CHARS[(b15 >> 12) & 0x0F] + HEX_CHARS[(b15 >> 8) & 0x0F] +
HEX_CHARS[(b15 >> 20) & 0x0F] + HEX_CHARS[(b15 >> 16) & 0x0F] +
HEX_CHARS[(b15 >> 28) & 0x0F] + HEX_CHARS[(b15 >> 24) & 0x0F];
}
} else {
for(i = 0, n = bits / 32;i < n;++i) {
for(i = 0;i < outputBlocks;++i) {
h = s[i];
hex += HEX_CHARS[(h >> 4) & 0x0F] + HEX_CHARS[h & 0x0F] +
HEX_CHARS[(h >> 12) & 0x0F] + HEX_CHARS[(h >> 8) & 0x0F] +
HEX_CHARS[(h >> 20) & 0x0F] + HEX_CHARS[(h >> 16) & 0x0F] +
HEX_CHARS[(h >> 28) & 0x0F] + HEX_CHARS[(h >> 24) & 0x0F];
}
if(extraBytes) {
h = s[i];
if(extraBytes > 0) {
hex += HEX_CHARS[(h >> 4) & 0x0F] + HEX_CHARS[h & 0x0F];
}
if(extraBytes > 1) {
hex += HEX_CHARS[(h >> 12) & 0x0F] + HEX_CHARS[(h >> 8) & 0x0F];
}
if(extraBytes > 2) {
hex += HEX_CHARS[(h >> 20) & 0x0F] + HEX_CHARS[(h >> 16) & 0x0F];
}
}
return hex;
}

@ -15,6 +15,7 @@
</script>
<script src="test.js"></script>
<script src="test-keccak.js"></script>
<script src="test-shake.js"></script>
<script>
mocha.checkLeaks();
mocha.run();

@ -7,12 +7,15 @@ sha3_512 = require('../src/sha3.js').sha3_512;
sha3_384 = require('../src/sha3.js').sha3_384;
sha3_256 = require('../src/sha3.js').sha3_256;
sha3_224 = require('../src/sha3.js').sha3_224;
shake_128 = require('../src/sha3.js').shake_128;
shake_256 = require('../src/sha3.js').shake_256;
require('./test-keccak.js');
require('./test.js');
delete require.cache[require.resolve('../src/sha3.js')]
delete require.cache[require.resolve('./test.js')]
delete require.cache[require.resolve('./test-keccak.js')]
delete require.cache[require.resolve('./test-shake.js')]
sha3_512 = null;
sha3_384 = null;
sha3_256 = null;
@ -21,8 +24,11 @@ keccak_512 = null;
keccak_384 = null;
keccak_256 = null;
keccak_224 = null;
shake_128 = null;
shake_256 = null;
JS_SHA3_TEST = true;
require('../src/sha3.js');
require('./test-keccak.js');
require('./test-shake.js');
require('./test.js');

@ -0,0 +1,47 @@
(function(shake_256, shake_128) {
describe('shake_128', function() {
context('with 256 output', function() {
it('should be equal', function() {
expect(shake_128('', 256)).to.be('7f9c2ba4e88f827d616045507605853ed73b8093f6efbc88eb1a6eacfa66ef26');
expect(shake_128('The quick brown fox jumps over the lazy dog', 256)).to.be('f4202e3c5852f9182a0430fd8144f0a74b95e7417ecae17db0f8cfeed0e3e66e');
expect(shake_128('The quick brown fox jumps over the lazy dof', 256)).to.be('853f4538be0db9621a6cea659a06c1107b1f83f02b13d18297bd39d7411cf10c');
});
});
context('with 8 output', function() {
it('should be equal', function() {
expect(shake_128('', 8)).to.be('7f');
expect(shake_128('The quick brown fox jumps over the lazy dog', 8)).to.be('f4');
expect(shake_128('The quick brown fox jumps over the lazy dof', 8)).to.be('85');
});
});
context('with more output', function() {
it('should be equal', function() {
expect(shake_128('', 16)).to.be('7f9c');
expect(shake_128('', 24)).to.be('7f9c2b');
});
});
context('with 8 output ArrayBuffer', function() {
it('should be equal', function() {
expect(shake_128.buffer('', 8).toHexString()).to.be('7f');
expect(shake_128.buffer('The quick brown fox jumps over the lazy dog', 8).toHexString()).to.be('f4');
expect(shake_128.buffer('The quick brown fox jumps over the lazy dof', 8).toHexString()).to.be('85');
});
});
});
describe('shake_256', function() {
context('with 512 output', function() {
it('should be equal', function() {
expect(shake_256('', 512)).to.be('46b9dd2b0ba88d13233b3feb743eeb243fcd52ea62b81b82b50c27646ed5762fd75dc4ddd8c0f200cb05019d67b592f6fc821c49479ab48640292eacb3b7c4be');
});
});
context('with 8 output', function() {
it('should be equal', function() {
expect(shake_256('', 8)).to.be('46');
});
});
});
})(shake_256, shake_128);

@ -1,3 +1,4 @@
(function(sha3_512, sha3_384, sha3_256, sha3_224) {
ArrayBuffer.prototype.toHexString = function (argument) {
var array = new Uint8Array(this);
var hex = '';
@ -7,7 +8,6 @@ ArrayBuffer.prototype.toHexString = function (argument) {
}
return hex;
};
(function(sha3_512, sha3_384, sha3_256, sha3_224) {
describe('sha3_512', function() {
context('when ascii', function() {
context('and less than 128 bytes', function() {
@ -74,6 +74,12 @@ ArrayBuffer.prototype.toHexString = function (argument) {
expect(sha3_512.buffer('').toHexString()).to.be('a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26');
});
});
context('#hex', function() {
it('should be equal', function() {
expect(sha3_512.hex('')).to.be(sha3_512(''));
});
});
});
describe('sha3_384', function() {

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