33 lines
8.6 KiB
JavaScript
33 lines
8.6 KiB
JavaScript
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(function() {/*
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A JavaScript implementation of the SHA family of hashes, as defined in FIPS
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PUB 180-2 as well as the corresponding HMAC implementation as defined in
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FIPS PUB 198a
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Copyright Brian Turek 2008-2012
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Distributed under the BSD License
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See http://caligatio.github.com/jsSHA/ for more information
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Several functions taken from Paul Johnson
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*/
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function n(a){throw a;}var q=null;function s(a,b){this.a=a;this.b=b}function u(a,b){var d=[],h=(1<<b)-1,f=a.length*b,g;for(g=0;g<f;g+=b)d[g>>>5]|=(a.charCodeAt(g/b)&h)<<32-b-g%32;return{value:d,binLen:f}}function x(a){var b=[],d=a.length,h,f;0!==d%2&&n("String of HEX type must be in byte increments");for(h=0;h<d;h+=2)f=parseInt(a.substr(h,2),16),isNaN(f)&&n("String of HEX type contains invalid characters"),b[h>>>3]|=f<<24-4*(h%8);return{value:b,binLen:4*d}}
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function B(a){var b=[],d=0,h,f,g,k,m;-1===a.search(/^[a-zA-Z0-9=+\/]+$/)&&n("Invalid character in base-64 string");h=a.indexOf("=");a=a.replace(/\=/g,"");-1!==h&&h<a.length&&n("Invalid '=' found in base-64 string");for(f=0;f<a.length;f+=4){m=a.substr(f,4);for(g=k=0;g<m.length;g+=1)h="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(m[g]),k|=h<<18-6*g;for(g=0;g<m.length-1;g+=1)b[d>>2]|=(k>>>16-8*g&255)<<24-8*(d%4),d+=1}return{value:b,binLen:8*d}}
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function E(a,b){var d="",h=4*a.length,f,g;for(f=0;f<h;f+=1)g=a[f>>>2]>>>8*(3-f%4),d+="0123456789abcdef".charAt(g>>>4&15)+"0123456789abcdef".charAt(g&15);return b.outputUpper?d.toUpperCase():d}
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function F(a,b){var d="",h=4*a.length,f,g,k;for(f=0;f<h;f+=3){k=(a[f>>>2]>>>8*(3-f%4)&255)<<16|(a[f+1>>>2]>>>8*(3-(f+1)%4)&255)<<8|a[f+2>>>2]>>>8*(3-(f+2)%4)&255;for(g=0;4>g;g+=1)d=8*f+6*g<=32*a.length?d+"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(k>>>6*(3-g)&63):d+b.b64Pad}return d}
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function G(a){var b={outputUpper:!1,b64Pad:"="};try{a.hasOwnProperty("outputUpper")&&(b.outputUpper=a.outputUpper),a.hasOwnProperty("b64Pad")&&(b.b64Pad=a.b64Pad)}catch(d){}"boolean"!==typeof b.outputUpper&&n("Invalid outputUpper formatting option");"string"!==typeof b.b64Pad&&n("Invalid b64Pad formatting option");return b}
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function H(a,b){var d=q,d=new s(a.a,a.b);return d=32>=b?new s(d.a>>>b|d.b<<32-b&4294967295,d.b>>>b|d.a<<32-b&4294967295):new s(d.b>>>b-32|d.a<<64-b&4294967295,d.a>>>b-32|d.b<<64-b&4294967295)}function I(a,b){var d=q;return d=32>=b?new s(a.a>>>b,a.b>>>b|a.a<<32-b&4294967295):new s(0,a.a>>>b-32)}function J(a,b,d){return new s(a.a&b.a^~a.a&d.a,a.b&b.b^~a.b&d.b)}function U(a,b,d){return new s(a.a&b.a^a.a&d.a^b.a&d.a,a.b&b.b^a.b&d.b^b.b&d.b)}
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function V(a){var b=H(a,28),d=H(a,34);a=H(a,39);return new s(b.a^d.a^a.a,b.b^d.b^a.b)}function W(a){var b=H(a,14),d=H(a,18);a=H(a,41);return new s(b.a^d.a^a.a,b.b^d.b^a.b)}function X(a){var b=H(a,1),d=H(a,8);a=I(a,7);return new s(b.a^d.a^a.a,b.b^d.b^a.b)}function Y(a){var b=H(a,19),d=H(a,61);a=I(a,6);return new s(b.a^d.a^a.a,b.b^d.b^a.b)}
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function Z(a,b){var d,h,f;d=(a.b&65535)+(b.b&65535);h=(a.b>>>16)+(b.b>>>16)+(d>>>16);f=(h&65535)<<16|d&65535;d=(a.a&65535)+(b.a&65535)+(h>>>16);h=(a.a>>>16)+(b.a>>>16)+(d>>>16);return new s((h&65535)<<16|d&65535,f)}
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function aa(a,b,d,h){var f,g,k;f=(a.b&65535)+(b.b&65535)+(d.b&65535)+(h.b&65535);g=(a.b>>>16)+(b.b>>>16)+(d.b>>>16)+(h.b>>>16)+(f>>>16);k=(g&65535)<<16|f&65535;f=(a.a&65535)+(b.a&65535)+(d.a&65535)+(h.a&65535)+(g>>>16);g=(a.a>>>16)+(b.a>>>16)+(d.a>>>16)+(h.a>>>16)+(f>>>16);return new s((g&65535)<<16|f&65535,k)}
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function ba(a,b,d,h,f){var g,k,m;g=(a.b&65535)+(b.b&65535)+(d.b&65535)+(h.b&65535)+(f.b&65535);k=(a.b>>>16)+(b.b>>>16)+(d.b>>>16)+(h.b>>>16)+(f.b>>>16)+(g>>>16);m=(k&65535)<<16|g&65535;g=(a.a&65535)+(b.a&65535)+(d.a&65535)+(h.a&65535)+(f.a&65535)+(k>>>16);k=(a.a>>>16)+(b.a>>>16)+(d.a>>>16)+(h.a>>>16)+(f.a>>>16)+(g>>>16);return new s((k&65535)<<16|g&65535,m)}
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function $(a,b,d){var h,f,g,k,m,j,A,C,K,e,L,v,l,M,t,p,y,z,r,N,O,P,Q,R,c,S,w=[],T,D;"SHA-384"===d||"SHA-512"===d?(L=80,h=(b+128>>>10<<5)+31,M=32,t=2,c=s,p=Z,y=aa,z=ba,r=X,N=Y,O=V,P=W,R=U,Q=J,S=[new c(1116352408,3609767458),new c(1899447441,602891725),new c(3049323471,3964484399),new c(3921009573,2173295548),new c(961987163,4081628472),new c(1508970993,3053834265),new c(2453635748,2937671579),new c(2870763221,3664609560),new c(3624381080,2734883394),new c(310598401,1164996542),new c(607225278,1323610764),
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new c(1426881987,3590304994),new c(1925078388,4068182383),new c(2162078206,991336113),new c(2614888103,633803317),new c(3248222580,3479774868),new c(3835390401,2666613458),new c(4022224774,944711139),new c(264347078,2341262773),new c(604807628,2007800933),new c(770255983,1495990901),new c(1249150122,1856431235),new c(1555081692,3175218132),new c(1996064986,2198950837),new c(2554220882,3999719339),new c(2821834349,766784016),new c(2952996808,2566594879),new c(3210313671,3203337956),new c(3336571891,
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1034457026),new c(3584528711,2466948901),new c(113926993,3758326383),new c(338241895,168717936),new c(666307205,1188179964),new c(773529912,1546045734),new c(1294757372,1522805485),new c(1396182291,2643833823),new c(1695183700,2343527390),new c(1986661051,1014477480),new c(2177026350,1206759142),new c(2456956037,344077627),new c(2730485921,1290863460),new c(2820302411,3158454273),new c(3259730800,3505952657),new c(3345764771,106217008),new c(3516065817,3606008344),new c(3600352804,1432725776),new c(4094571909,
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1467031594),new c(275423344,851169720),new c(430227734,3100823752),new c(506948616,1363258195),new c(659060556,3750685593),new c(883997877,3785050280),new c(958139571,3318307427),new c(1322822218,3812723403),new c(1537002063,2003034995),new c(1747873779,3602036899),new c(1955562222,1575990012),new c(2024104815,1125592928),new c(2227730452,2716904306),new c(2361852424,442776044),new c(2428436474,593698344),new c(2756734187,3733110249),new c(3204031479,2999351573),new c(3329325298,3815920427),new c(3391569614,
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3928383900),new c(3515267271,566280711),new c(3940187606,3454069534),new c(4118630271,4000239992),new c(116418474,1914138554),new c(174292421,2731055270),new c(289380356,3203993006),new c(460393269,320620315),new c(685471733,587496836),new c(852142971,1086792851),new c(1017036298,365543100),new c(1126000580,2618297676),new c(1288033470,3409855158),new c(1501505948,4234509866),new c(1607167915,987167468),new c(1816402316,1246189591)],e="SHA-384"===d?[new c(3418070365,3238371032),new c(1654270250,914150663),
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new c(2438529370,812702999),new c(355462360,4144912697),new c(1731405415,4290775857),new c(41048885895,1750603025),new c(3675008525,1694076839),new c(1203062813,3204075428)]:[new c(1779033703,4089235720),new c(3144134277,2227873595),new c(1013904242,4271175723),new c(2773480762,1595750129),new c(1359893119,2917565137),new c(2600822924,725511199),new c(528734635,4215389547),new c(1541459225,327033209)]):n("Unexpected error in SHA-2 implementation");a[b>>>5]|=128<<24-b%32;a[h]=b;T=a.length;for(v=0;v<
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T;v+=M){b=e[0];h=e[1];f=e[2];g=e[3];k=e[4];m=e[5];j=e[6];A=e[7];for(l=0;l<L;l+=1)w[l]=16>l?new c(a[l*t+v],a[l*t+v+1]):y(N(w[l-2]),w[l-7],r(w[l-15]),w[l-16]),C=z(A,P(k),Q(k,m,j),S[l],w[l]),K=p(O(b),R(b,h,f)),A=j,j=m,m=k,k=p(g,C),g=f,f=h,h=b,b=p(C,K);e[0]=p(b,e[0]);e[1]=p(h,e[1]);e[2]=p(f,e[2]);e[3]=p(g,e[3]);e[4]=p(k,e[4]);e[5]=p(m,e[5]);e[6]=p(j,e[6]);e[7]=p(A,e[7])}"SHA-384"===d?D=[e[0].a,e[0].b,e[1].a,e[1].b,e[2].a,e[2].b,e[3].a,e[3].b,e[4].a,e[4].b,e[5].a,e[5].b]:"SHA-512"===d?D=[e[0].a,e[0].b,
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e[1].a,e[1].b,e[2].a,e[2].b,e[3].a,e[3].b,e[4].a,e[4].b,e[5].a,e[5].b,e[6].a,e[6].b,e[7].a,e[7].b]:n("Unexpected error in SHA-2 implementation");return D}
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window.jsSHA=function(a,b,d){var h=q,f=q,g=0,k=[0],m=0,j=q,m="undefined"!==typeof d?d:8;8===m||16===m||n("charSize must be 8 or 16");"HEX"===b?(0!==a.length%2&&n("srcString of HEX type must be in byte increments"),j=x(a),g=j.binLen,k=j.value):"ASCII"===b||"TEXT"===b?(j=u(a,m),g=j.binLen,k=j.value):"B64"===b?(j=B(a),g=j.binLen,k=j.value):n("inputFormat must be HEX, TEXT, ASCII, or B64");this.getHash=function(a,b,d){var e=q,m=k.slice(),j="";switch(b){case "HEX":e=E;break;case "B64":e=F;break;default:n("format must be HEX or B64")}"SHA-384"===
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a?(q===h&&(h=$(m,g,a)),j=e(h,G(d))):"SHA-512"===a?(q===f&&(f=$(m,g,a)),j=e(f,G(d))):n("Chosen SHA variant is not supported");return j};this.getHMAC=function(a,b,d,e,f){var h,l,j,t,p,y=[],z=[],r=q;switch(e){case "HEX":h=E;break;case "B64":h=F;break;default:n("outputFormat must be HEX or B64")}"SHA-384"===d?(j=128,p=384):"SHA-512"===d?(j=128,p=512):n("Chosen SHA variant is not supported");"HEX"===b?(r=x(a),t=r.binLen,l=r.value):"ASCII"===b||"TEXT"===b?(r=u(a,m),t=r.binLen,l=r.value):"B64"===b?(r=B(a),
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t=r.binLen,l=r.value):n("inputFormat must be HEX, TEXT, ASCII, or B64");a=8*j;b=j/4-1;j<t/8?(l=$(l,t,d),l[b]&=4294967040):j>t/8&&(l[b]&=4294967040);for(j=0;j<=b;j+=1)y[j]=l[j]^909522486,z[j]=l[j]^1549556828;d=$(z.concat($(y.concat(k),a+g,d)),a+p,d);return h(d,G(f))}};})();
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