tweetnacljs
Version:
Port of TweetNaCl cryptographic library to JavaScript
1 lines • 23.1 kB
JavaScript
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t,e,o,i;for(e=63;e>=32;--e){for(t=0,o=e-32,i=e-12;i>o;++o)n[o]+=t-16*n[e]*Rn[o-(e-32)],t=n[o]+128>>8,n[o]-=256*t;n[o]+=t,n[e]=0}for(t=0,o=0;32>o;o++)n[o]+=t-(n[31]>>4)*Rn[o],t=n[o]>>8,n[o]&=255;for(o=0;32>o;o++)n[o]-=t*Rn[o];for(e=0;32>e;e++)n[e+1]+=n[e]>>8,r[e]=255&n[e]}function hn(r){var n,t=new Float64Array(64);for(n=0;64>n;n++)t[n]=r[n];for(n=0;64>n;n++)r[n]=0;an(r,t)}function un(r,n,t,e){var o,i,f=new Uint8Array(64),a=new Uint8Array(64),h=new Uint8Array(64),u=new Float64Array(64),s=[pn(),pn(),pn(),pn()];W(f,e,32),f[0]&=248,f[31]&=127,f[31]|=64;var c=t+64;for(o=0;t>o;o++)r[64+o]=n[o];for(o=0;32>o;o++)r[32+o]=f[32+o];for(W(h,r.subarray(32),t+32),hn(h),en(s,h),nn(r,s),o=32;64>o;o++)r[o]=e[o];for(W(a,r,t+64),hn(a),o=0;64>o;o++)u[o]=0;for(o=0;32>o;o++)u[o]=h[o];for(o=0;32>o;o++)for(i=0;32>i;i++)u[o+i]+=a[o]*f[i];return an(r.subarray(32),u),c}function sn(r,n){var t=pn(),e=pn(),o=pn(),i=pn(),f=pn(),a=pn(),h=pn();return 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Uint8Array(16),this.r=new Uint16Array(10),this.h=new Uint16Array(10),this.pad=new Uint16Array(8),this.leftover=0,this.fin=0;var n,t,e,o,i,f,a,h,u;for(t=p(r,0),this.r[0]=8191&t,e=p(r,2),this.r[1]=8191&(t>>>13|e<<3),o=p(r,4),this.r[2]=7939&(e>>>10|o<<6),i=p(r,6),this.r[3]=8191&(o>>>7|i<<9),f=p(r,8),this.r[4]=255&(i>>>4|f<<12),this.r[5]=f>>>1&8190,a=p(r,10),this.r[6]=8191&(f>>>14|a<<2),h=p(r,12),this.r[7]=8065&(a>>>11|h<<5),u=p(r,14),this.r[8]=8191&(h>>>8|u<<8),this.r[9]=u>>>5&127,n=0;8>n;n++)this.pad[n]=p(r,16+2*n)};Tn.prototype.blocks=function(r,n,t){for(var e,o,i,f,a,h,u,s,c,w,y,l=this.fin?0:2048,v=new Uint32Array(10);t>=16;){for(e=p(r,n+0),this.h[0]+=8191&e,o=p(r,n+2),this.h[1]+=8191&(e>>>13|o<<3),i=p(r,n+4),this.h[2]+=8191&(o>>>10|i<<6),f=p(r,n+6),this.h[3]+=8191&(i>>>7|f<<9),a=p(r,n+8),this.h[4]+=8191&(f>>>4|a<<12),this.h[5]+=a>>>1&8191,h=p(r,n+10),this.h[6]+=8191&(a>>>14|h<<2),u=p(r,n+12),this.h[7]+=8191&(h>>>11|u<<5),s=p(r,n+14),this.h[8]+=8191&(u>>>8|s<<8),this.h[9]+=s>>>5|l,w=0,c=0;10>w;w++){for(v[w]=c,y=0;10>y;y++)v[w]+=this.h[y]*(w>=y?this.r[w-y]:5*this.r[w+10-y]),4===y&&(c=v[w]>>>13,v[w]&=8191);c+=v[w]>>>13,v[w]&=8191}for(c=(c<<2)+c|0,c=c+v[0]|0,v[0]=8191&c,c>>>=13,v[1]+=c,w=0;10>w;w++)this.h[w]=v[w];n+=16,t-=16}},Tn.prototype.finish=function(r,n){var t,e,o,i,f=new Uint16Array(10);if(this.leftover){for(i=this.leftover,this.buffer[i++]=1;16>i;i++)this.buffer[i]=0;this.fin=1,this.blocks(this.buffer,0,16)}for(t=this.h[1]>>>13,this.h[1]&=8191,i=2;10>i;i++)this.h[i]+=t,t=this.h[i]>>>13,this.h[i]&=8191;for(this.h[0]+=5*t,t=this.h[0]>>>13,this.h[0]&=8191,this.h[1]+=t,t=this.h[1]>>>13,this.h[1]&=8191,this.h[2]+=t,f[0]=this.h[0]+5,t=f[0]>>>13,f[0]&=8191,i=1;10>i;i++)f[i]=this.h[i]+t,t=f[i]>>>13,f[i]&=8191;for(f[9]-=8192,e=(f[9]>>>15)-1,i=0;10>i;i++)f[i]&=e;for(e=~e,i=0;10>i;i++)this.h[i]=this.h[i]&e|f[i];for(this.h[0]=65535&(this.h[0]|this.h[1]<<13),this.h[1]=65535&(this.h[1]>>>3|this.h[2]<<10),this.h[2]=65535&(this.h[2]>>>6|this.h[3]<<7),this.h[3]=65535&(this.h[3]>>>9|this.h[4]<<4),this.h[4]=65535&(this.h[4]>>>12|this.h[5]<<1|this.h[6]<<14),this.h[5]=65535&(this.h[6]>>>2|this.h[7]<<11),this.h[6]=65535&(this.h[7]>>>5|this.h[8]<<8),this.h[7]=65535&(this.h[8]>>>8|this.h[9]<<5),o=this.h[0]+this.pad[0],this.h[0]=65535&o,i=1;8>i;i++)o=(this.h[i]+this.pad[i]|0)+(o>>>16)|0,this.h[i]=65535&o;for(i=0;8>i;i++)b(r,n+2*i,this.h[i])},Tn.prototype.update=function(r,n,t){var e,o;if(this.leftover){for(o=16-this.leftover,o>t&&(o=t),e=0;o>e;e++)this.buffer[this.leftover+e]=r[n+e];if(t-=o,n+=o,this.leftover+=o,this.leftover<16)return;this.blocks(buffer,0,16),this.leftover=0}if(t>=16&&(o=t-t%16,this.blocks(r,n,o),n+=o,t-=o),t){for(e=0;t>e;e++)this.buffer[this.leftover+e]=r[n+e];this.leftover+=t}};var Yn=_,kn=U,Cn=[new vn(1116352408,3609767458),new vn(1899447441,602891725),new vn(3049323471,3964484399),new vn(3921009573,2173295548),new vn(961987163,4081628472),new vn(1508970993,3053834265),new vn(2453635748,2937671579),new vn(2870763221,3664609560),new vn(3624381080,2734883394),new vn(310598401,1164996542),new vn(607225278,1323610764),new vn(1426881987,3590304994),new vn(1925078388,4068182383),new vn(2162078206,991336113),new vn(2614888103,633803317),new vn(3248222580,3479774868),new vn(3835390401,2666613458),new vn(4022224774,944711139),new vn(264347078,2341262773),new vn(604807628,2007800933),new vn(770255983,1495990901),new vn(1249150122,1856431235),new vn(1555081692,3175218132),new vn(1996064986,2198950837),new vn(2554220882,3999719339),new vn(2821834349,766784016),new vn(2952996808,2566594879),new vn(3210313671,3203337956),new vn(3336571891,1034457026),new vn(3584528711,2466948901),new vn(113926993,3758326383),new vn(338241895,168717936),new vn(666307205,1188179964),new vn(773529912,1546045734),new vn(1294757372,1522805485),new vn(1396182291,2643833823),new vn(1695183700,2343527390),new vn(1986661051,1014477480),new vn(2177026350,1206759142),new vn(2456956037,344077627),new vn(2730485921,1290863460),new vn(2820302411,3158454273),new vn(3259730800,3505952657),new vn(3345764771,106217008),new vn(3516065817,3606008344),new vn(3600352804,1432725776),new vn(4094571909,1467031594),new vn(275423344,851169720),new vn(430227734,3100823752),new vn(506948616,1363258195),new vn(659060556,3750685593),new vn(883997877,3785050280),new vn(958139571,3318307427),new vn(1322822218,3812723403),new vn(1537002063,2003034995),new vn(1747873779,3602036899),new vn(1955562222,1575990012),new vn(2024104815,1125592928),new vn(2227730452,2716904306),new vn(2361852424,442776044),new vn(2428436474,593698344),new vn(2756734187,3733110249),new vn(3204031479,2999351573),new vn(3329325298,3815920427),new vn(3391569614,3928383900),new vn(3515267271,566280711),new vn(3940187606,3454069534),new vn(4118630271,4000239992),new vn(116418474,1914138554),new vn(174292421,2731055270),new vn(289380356,3203993006),new vn(460393269,320620315),new vn(685471733,587496836),new vn(852142971,1086792851),new vn(1017036298,365543100),new vn(1126000580,2618297676),new vn(1288033470,3409855158),new vn(1501505948,4234509866),new vn(1607167915,987167468),new vn(1816402316,1246189591)],Ln=new Uint8Array([106,9,230,103,243,188,201,8,187,103,174,133,132,202,167,59,60,110,243,114,254,148,248,43,165,79,245,58,95,29,54,241,81,14,82,127,173,230,130,209,155,5,104,140,43,62,108,31,31,131,217,171,251,65,189,107,91,224,205,25,19,126,33,121]),Rn=new Float64Array([237,211,245,92,26,99,18,88,214,156,247,162,222,249,222,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16]),zn=32,Pn=24,Fn=32,Nn=16,On=32,Mn=32,Gn=32,In=32,Zn=32,jn=Pn,Vn=Fn,qn=Nn,Xn=64,Dn=32,Hn=32,Jn=64,Qn=64;r.lowlevel={crypto_stream_xor:v,crypto_stream:l,crypto_stream_salsa20_xor:w,crypto_stream_salsa20:y,crypto_onetimeauth:g,crypto_onetimeauth_verify:A,crypto_verify_16:f,crypto_verify_32:a,crypto_secretbox:_,crypto_secretbox_open:U,crypto_scalarmult:z,crypto_scalarmult_base:P,crypto_box_beforenm:N,crypto_box_afternm:Yn,crypto_box:O,crypto_box_open:M,crypto_box_keypair:F,crypto_hash:W,crypto_hashblocks:Q,crypto_sign:un,crypto_sign_keypair:fn,crypto_sign_open:cn,crypto_secretbox_KEYBYTES:zn,crypto_secretbox_NONCEBYTES:Pn,crypto_secretbox_ZEROBYTES:Fn,crypto_secretbox_BOXZEROBYTES:Nn,crypto_scalarmult_BYTES:On,crypto_scalarmult_SCALARBYTES:Mn,crypto_box_PUBLICKEYBYTES:Gn,crypto_box_SECRETKEYBYTES:In,crypto_box_BEFORENMBYTES:Zn,crypto_box_NONCEBYTES:jn,crypto_box_ZEROBYTES:Vn,crypto_box_BOXZEROBYTES:qn,crypto_sign_BYTES:Xn,crypto_sign_SEEDBYTES:Dn,crypto_sign_PUBLICKEYBYTES:Hn,crypto_sign_SECRETKEYBYTES:Jn,crypto_hash_BYTES:Qn},r.util={},r.util.decodeUTF8=function(r){var n,t=unescape(encodeURIComponent(r)),e=new Uint8Array(t.length);for(n=0;n<t.length;n++)e[n]=t.charCodeAt(n);return e},r.util.encodeUTF8=function(r){var n,t=[];for(n=0;n<r.length;n++)t.push(String.fromCharCode(r[n]));return decodeURIComponent(escape(t.join("")))},r.util.encodeBase64=function(r){if("undefined"==typeof btoa)return new Buffer(r).toString("base64");var n,t=[],e=r.length;for(n=0;e>n;n++)t.push(String.fromCharCode(r[n]));return btoa(t.join(""))},r.util.decodeBase64=function(r){if("undefined"==typeof atob)return new Uint8Array(Array.prototype.slice.call(new Buffer(r,"base64"),0));var n,t=atob(r),e=new Uint8Array(t.length);for(n=0;n<t.length;n++)e[n]=t.charCodeAt(n);return e},r.randomBytes=function(r){var n=new Uint8Array(r);return bn(n,r),n},r.secretbox=function(r,n,t){ln(r,n,t),wn(t,n);for(var e=new Uint8Array(Fn+r.length),o=new Uint8Array(e.length),i=0;i<r.length;i++)e[i+Fn]=r[i];return _(o,e,e.length,n,t),o.subarray(Nn)},r.secretbox.open=function(r,n,t){ln(r,n,t),wn(t,n);for(var e=new Uint8Array(Nn+r.length),o=new Uint8Array(e.length),i=0;i<r.length;i++)e[i+Nn]=r[i];return e.length<32?!1:0!==U(o,e,e.length,n,t)?!1:o.subarray(Fn)},r.secretbox.keyLength=zn,r.secretbox.nonceLength=Pn,r.secretbox.overheadLength=Nn,r.scalarMult=function(r,n){if(ln(r,n),r.length!==Mn)throw new Error("bad n size");if(n.length!==On)throw new Error("bad p size");var t=new Uint8Array(On);return z(t,r,n),t},r.scalarMult.base=function(r){if(ln(r),r.length!==Mn)throw new Error("bad n size");var n=new Uint8Array(On);return P(n,r),n},r.scalarMult.scalarLength=Mn,r.scalarMult.groupElementLength=On,r.box=function(n,t,e,o){var i=r.box.before(e,o);return r.secretbox(n,t,i)},r.box.before=function(r,n){ln(r,n),yn(r,n);var t=new Uint8Array(Zn);return N(t,r,n),t},r.box.after=r.secretbox,r.box.open=function(n,t,e,o){var i=r.box.before(e,o);return r.secretbox.open(n,t,i)},r.box.open.after=r.secretbox.open,r.box.keyPair=function(){var r=new Uint8Array(Gn),n=new Uint8Array(In);return F(r,n),{publicKey:r,secretKey:n}},r.box.keyPair.fromSecretKey=function(r){if(ln(r),r.length!==In)throw new Error("bad secret key size");var n=new Uint8Array(Gn);return P(n,r),{publicKey:n,secretKey:r}},r.box.publicKeyLength=Gn,r.box.secretKeyLength=In,r.box.sharedKeyLength=Zn,r.box.nonceLength=jn,r.box.overheadLength=r.secretbox.overheadLength,r.sign=function(r,n){if(ln(r,n),n.length!==Jn)throw new Error("bad secret key size");var t=new Uint8Array(Xn+r.length);un(t,r,r.length,n);for(var e=new Uint8Array(Xn),o=0;o<e.length;o++)e[o]=t[o];return e},r.sign.open=function(r,n,t){if(ln(r,n,t),n.length!==Xn)throw new Error("bad signature size");if(t.length!==Hn)throw new Error("bad public key size");var e,o=new Uint8Array(Xn+r.length),i=new Uint8Array(Xn+r.length);for(e=0;Xn>e;e++)o[e]=n[e];for(e=0;e<r.length;e++)o[e+Xn]=r[e];var f=cn(i,o,o.length,t);return 0>f?!1:i.subarray(0,f)},r.sign.keyPair=function(){var r=new Uint8Array(Hn),n=new Uint8Array(Jn);return fn(r,n),{publicKey:r,secretKey:n}},r.sign.keyPair.fromSecretKey=function(r){if(ln(r),r.length!==Jn)throw new Error("bad secret key size");var n,t=new Uint8Array(Hn);for(n=0;32>n;n++)t[n]=r[32+n];return{publicKey:t,secretKey:r}},r.sign.keyPair.fromSeed=function(r){if(ln(r),r.length!==Dn)throw new Error("bad seed size");var n=new Uint8Array(Hn),t=new Uint8Array(Jn);return on(r,n,t),{publicKey:n,secretKey:t}},r.sign.publicKeyLength=Hn,r.sign.secretKeyLength=Jn,r.sign.signatureLength=Xn,r.hash=function(r){ln(r);var n=new Uint8Array(Qn);return W(n,r,r.length),n},r.hash.hashLength=Qn,r.verify=function(r,n){return ln(r,n),0===r.length||0===n.length?!1:r.length!==n.length?!1:0===i(r,0,n,0,r.length)?!0:!1},r.setPRNG=function(r){bn=r},function(){var n;"undefined"!=typeof window?(window.crypto&&window.crypto.getRandomValues?n=window.crypto:window.msCrypto&&window.msCrypto.getRandomValues&&(n=window.msCrypto),n&&r.setPRNG(function(r,t){var e,o=new Uint8Array(t);for(n.getRandomValues(o),e=0;t>e;e++)r[e]=o[e]})):"undefined"!=typeof require&&(n=require("crypto"),n&&r.setPRNG(function(r,t){var e,o=n.randomBytes(t);for(e=0;t>e;e++)r[e]=o[e]}))}()}("undefined"!=typeof module&&module.exports?module.exports:window.nacl=window.nacl||{});