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sha.mjs

sha.mjs 22 KB
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  1. /**
    2. 

  2.  * A JavaScript implementation of the SHA family of hashes - defined in FIPS PUB 180-4, FIPS PUB 202,
    3. 

  3.  * and SP 800-185 - as well as the corresponding HMAC implementation as defined in FIPS PUB 198-1.
    4. 

  4.  *
    5. 

  5.  * Copyright 2008-2023 Brian Turek, 1998-2009 Paul Johnston & Contributors
    6. 

  6.  * Distributed under the BSD License
    7. 

  7.  * See http://caligatio.github.com/jsSHA/ for more information
    8. 

  8.  */
    9. 

  9. const t="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",n="ARRAYBUFFER not supported by this environment",e="UINT8ARRAY not supported by this environment";function r(t,n,e,r){let i,s,o;const h=n||[0],u=(e=e||0)>>>3,w=-1===r?3:0;for(i=0;i<t.length;i+=1)o=i+u,s=o>>>2,h.length<=s&&h.push(0),h[s]|=t[i]<<8*(w+r*(o%4));return{value:h,binLen:8*t.length+e}}function i(i,s,o){switch(s){case"UTF8":case"UTF16BE":case"UTF16LE":break;default:throw new Error("encoding must be UTF8, UTF16BE, or UTF16LE")}switch(i){case"HEX":return function(t,n,e){return function(t,n,e,r){let i,s,o,h;if(0!=t.length%2)throw new Error("String of HEX type must be in byte increments");const u=n||[0],w=(e=e||0)>>>3,c=-1===r?3:0;for(i=0;i<t.length;i+=2){if(s=parseInt(t.substr(i,2),16),isNaN(s))throw new Error("String of HEX type contains invalid characters");for(h=(i>>>1)+w,o=h>>>2;u.length<=o;)u.push(0);u[o]|=s<<8*(c+r*(h%4))}return{value:u,binLen:4*t.length+e}}(t,n,e,o)};case"TEXT":return function(t,n,e){return function(t,n,e,r,i){let s,o,h,u,w,c,f,a,l=0;const A=e||[0],E=(r=r||0)>>>3;if("UTF8"===n)for(f=-1===i?3:0,h=0;h<t.length;h+=1)for(s=t.charCodeAt(h),o=[],128>s?o.push(s):2048>s?(o.push(192|s>>>6),o.push(128|63&s)):55296>s||57344<=s?o.push(224|s>>>12,128|s>>>6&63,128|63&s):(h+=1,s=65536+((1023&s)<<10|1023&t.charCodeAt(h)),o.push(240|s>>>18,128|s>>>12&63,128|s>>>6&63,128|63&s)),u=0;u<o.length;u+=1){for(c=l+E,w=c>>>2;A.length<=w;)A.push(0);A[w]|=o[u]<<8*(f+i*(c%4)),l+=1}else for(f=-1===i?2:0,a="UTF16LE"===n&&1!==i||"UTF16LE"!==n&&1===i,h=0;h<t.length;h+=1){for(s=t.charCodeAt(h),!0===a&&(u=255&s,s=u<<8|s>>>8),c=l+E,w=c>>>2;A.length<=w;)A.push(0);A[w]|=s<<8*(f+i*(c%4)),l+=2}return{value:A,binLen:8*l+r}}(t,s,n,e,o)};case"B64":return function(n,e,r){return function(n,e,r,i){let s,o,h,u,w,c,f,a=0;const l=e||[0],A=(r=r||0)>>>3,E=-1===i?3:0,H=n.indexOf("=");if(-1===n.search(/^[a-zA-Z0-9=+/]+$/))throw new Error("Invalid character in base-64 string");if(n=n.replace(/=/g,""),-1!==H&&H<n.length)throw new Error("Invalid '=' found in base-64 string");for(o=0;o<n.length;o+=4){for(w=n.substr(o,4),u=0,h=0;h<w.length;h+=1)s=t.indexOf(w.charAt(h)),u|=s<<18-6*h;for(h=0;h<w.length-1;h+=1){for(f=a+A,c=f>>>2;l.length<=c;)l.push(0);l[c]|=(u>>>16-8*h&255)<<8*(E+i*(f%4)),a+=1}}return{value:l,binLen:8*a+r}}(n,e,r,o)};case"BYTES":return function(t,n,e){return function(t,n,e,r){let i,s,o,h;const u=n||[0],w=(e=e||0)>>>3,c=-1===r?3:0;for(s=0;s<t.length;s+=1)i=t.charCodeAt(s),h=s+w,o=h>>>2,u.length<=o&&u.push(0),u[o]|=i<<8*(c+r*(h%4));return{value:u,binLen:8*t.length+e}}(t,n,e,o)};case"ARRAYBUFFER":try{new ArrayBuffer(0)}catch(t){throw new Error(n)}return function(t,n,e){return function(t,n,e,i){return r(new Uint8Array(t),n,e,i)}(t,n,e,o)};case"UINT8ARRAY":try{new Uint8Array(0)}catch(t){throw new Error(e)}return function(t,n,e){return r(t,n,e,o)};default:throw new Error("format must be HEX, TEXT, B64, BYTES, ARRAYBUFFER, or UINT8ARRAY")}}function s(r,i,s,o){switch(r){case"HEX":return function(t){return function(t,n,e,r){const i="0123456789abcdef";let s,o,h="";const u=n/8,w=-1===e?3:0;for(s=0;s<u;s+=1)o=t[s>>>2]>>>8*(w+e*(s%4)),h+=i.charAt(o>>>4&15)+i.charAt(15&o);return r.outputUpper?h.toUpperCase():h}(t,i,s,o)};case"B64":return function(n){return function(n,e,r,i){let s,o,h,u,w,c="";const f=e/8,a=-1===r?3:0;for(s=0;s<f;s+=3)for(u=s+1<f?n[s+1>>>2]:0,w=s+2<f?n[s+2>>>2]:0,h=(n[s>>>2]>>>8*(a+r*(s%4))&255)<<16|(u>>>8*(a+r*((s+1)%4))&255)<<8|w>>>8*(a+r*((s+2)%4))&255,o=0;o<4;o+=1)c+=8*s+6*o<=e?t.charAt(h>>>6*(3-o)&63):i.b64Pad;return c}(n,i,s,o)};case"BYTES":return function(t){return function(t,n,e){let r,i,s="";const o=n/8,h=-1===e?3:0;for(r=0;r<o;r+=1)i=t[r>>>2]>>>8*(h+e*(r%4))&255,s+=String.fromCharCode(i);return s}(t,i,s)};case"ARRAYBUFFER":try{new ArrayBuffer(0)}catch(t){throw new Error(n)}return function(t){return function(t,n,e){let r;const i=n/8,s=new ArrayBuffer(i),o=new Uint8Array(s),h=-1===e?3:0;for(r=0;r<i;r+=1)o[r]=t[r>>>2]>>>8*(h+e*(r%4))&255;return s}(t,i,s)};case"UINT8ARRAY":try{new Uint8Array(0)}catch(t){throw new Error(e)}return function(t){return function(t,n,e){let r;const i=n/8,s=-1===e?3:0,o=new Uint8Array(i);for(r=0;r<i;r+=1)o[r]=t[r>>>2]>>>8*(s+e*(r%4))&255;return o}(t,i,s)};default:throw new Error("format must be HEX, B64, BYTES, ARRAYBUFFER, or UINT8ARRAY")}}const o=4294967296,h=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],u=[3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428],w=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],c="Chosen SHA variant is not supported",f="Cannot set numRounds with MAC";function a(t,n){let e,r;const i=t.binLen>>>3,s=n.binLen>>>3,o=i<<3,h=4-i<<3;if(i%4!=0){for(e=0;e<s;e+=4)r=i+e>>>2,t.value[r]|=n.value[e>>>2]<<o,t.value.push(0),t.value[r+1]|=n.value[e>>>2]>>>h;return(t.value.length<<2)-4>=s+i&&t.value.pop(),{value:t.value,binLen:t.binLen+n.binLen}}return{value:t.value.concat(n.value),binLen:t.binLen+n.binLen}}function l(t){const n={outputUpper:!1,b64Pad:"=",outputLen:-1},e=t||{},r="Output length must be a multiple of 8";if(n.outputUpper=e.outputUpper||!1,e.b64Pad&&(n.b64Pad=e.b64Pad),e.outputLen){if(e.outputLen%8!=0)throw new Error(r);n.outputLen=e.outputLen}else if(e.shakeLen){if(e.shakeLen%8!=0)throw new Error(r);n.outputLen=e.shakeLen}if("boolean"!=typeof n.outputUpper)throw new Error("Invalid outputUpper formatting option");if("string"!=typeof n.b64Pad)throw new Error("Invalid b64Pad formatting option");return n}function A(t,n,e,r){const s=t+" must include a value and format";if(!n){if(!r)throw new Error(s);return r}if(void 0===n.value||!n.format)throw new Error(s);return i(n.format,n.encoding||"UTF8",e)(n.value)}class E{constructor(t,n,e){const r=e||{};if(this.t=n,this.i=r.encoding||"UTF8",this.numRounds=r.numRounds||1,isNaN(this.numRounds)||this.numRounds!==parseInt(this.numRounds,10)||1>this.numRounds)throw new Error("numRounds must a integer >= 1");this.o=t,this.h=[],this.u=0,this.l=!1,this.A=0,this.H=!1,this.S=[],this.p=[]}update(t){let n,e=0;const r=this.m>>>5,i=this.C(t,this.h,this.u),s=i.binLen,o=i.value,h=s>>>5;for(n=0;n<h;n+=r)e+this.m<=s&&(this.U=this.v(o.slice(n,n+r),this.U),e+=this.m);return this.A+=e,this.h=o.slice(e>>>5),this.u=s%this.m,this.l=!0,this}getHash(t,n){let e,r,i=this.R;const o=l(n);if(this.K){if(-1===o.outputLen)throw new Error("Output length must be specified in options");i=o.outputLen}const h=s(t,i,this.T,o);if(this.H&&this.g)return h(this.g(o));for(r=this.F(this.h.slice(),this.u,this.A,this.L(this.U),i),e=1;e<this.numRounds;e+=1)this.K&&i%32!=0&&(r[r.length-1]&=16777215>>>24-i%32),r=this.F(r,i,0,this.B(this.o),i);return h(r)}setHMACKey(t,n,e){if(!this.M)throw new Error("Variant does not support HMAC");if(this.l)throw new Error("Cannot set MAC key after calling update");const r=i(n,(e||{}).encoding||"UTF8",this.T);this.k(r(t))}k(t){const n=this.m>>>3,e=n/4-1;let r;if(1!==this.numRounds)throw new Error(f);if(this.H)throw new Error("MAC key already set");for(n<t.binLen/8&&(t.value=this.F(t.value,t.binLen,0,this.B(this.o),this.R));t.value.length<=e;)t.value.push(0);for(r=0;r<=e;r+=1)this.S[r]=909522486^t.value[r],this.p[r]=1549556828^t.value[r];this.U=this.v(this.S,this.U),this.A=this.m,this.H=!0}getHMAC(t,n){const e=l(n);return s(t,this.R,this.T,e)(this.Y())}Y(){let t;if(!this.H)throw new Error("Cannot call getHMAC without first setting MAC key");const n=this.F(this.h.slice(),this.u,this.A,this.L(this.U),this.R);return t=this.v(this.p,this.B(this.o)),t=this.F(n,this.R,this.m,t,this.R),t}}function H(t,n){return t<<n|t>>>32-n}function S(t,n){return t>>>n|t<<32-n}function b(t,n){return t>>>n}function p(t,n,e){return t^n^e}function d(t,n,e){return t&n^~t&e}function m(t,n,e){return t&n^t&e^n&e}function C(t){return S(t,2)^S(t,13)^S(t,22)}function y(t,n){const e=(65535&t)+(65535&n);return(65535&(t>>>16)+(n>>>16)+(e>>>16))<<16|65535&e}function U(t,n,e,r){const i=(65535&t)+(65535&n)+(65535&e)+(65535&r);return(65535&(t>>>16)+(n>>>16)+(e>>>16)+(r>>>16)+(i>>>16))<<16|65535&i}function v(t,n,e,r,i){const s=(65535&t)+(65535&n)+(65535&e)+(65535&r)+(65535&i);return(65535&(t>>>16)+(n>>>16)+(e>>>16)+(r>>>16)+(i>>>16)+(s>>>16))<<16|65535&s}function R(t){return S(t,7)^S(t,18)^b(t,3)}function K(t){return S(t,6)^S(t,11)^S(t,25)}function T(t){return[1732584193,4023233417,2562383102,271733878,3285377520]}function g(t,n){let e,r,i,s,o,h,u;const w=[];for(e=n[0],r=n[1],i=n[2],s=n[3],o=n[4],u=0;u<80;u+=1)w[u]=u<16?t[u]:H(w[u-3]^w[u-8]^w[u-14]^w[u-16],1),h=u<20?v(H(e,5),d(r,i,s),o,1518500249,w[u]):u<40?v(H(e,5),p(r,i,s),o,1859775393,w[u]):u<60?v(H(e,5),m(r,i,s),o,2400959708,w[u]):v(H(e,5),p(r,i,s),o,3395469782,w[u]),o=s,s=i,i=H(r,30),r=e,e=h;return n[0]=y(e,n[0]),n[1]=y(r,n[1]),n[2]=y(i,n[2]),n[3]=y(s,n[3]),n[4]=y(o,n[4]),n}function F(t,n,e,r){let i;const s=15+(n+65>>>9<<4),h=n+e;for(;t.length<=s;)t.push(0);for(t[n>>>5]|=128<<24-n%32,t[s]=4294967295&h,t[s-1]=h/o|0,i=0;i<t.length;i+=16)r=g(t.slice(i,i+16),r);return r}let L=class extends E{constructor(t,n,e){if("SHA-1"!==t)throw new Error(c);super(t,n,e);const r=e||{};this.M=!0,this.g=this.Y,this.T=-1,this.C=i(this.t,this.i,this.T),this.v=g,this.L=function(t){return t.slice()},this.B=T,this.F=F,this.U=[1732584193,4023233417,2562383102,271733878,3285377520],this.m=512,this.R=160,this.K=!1,r.hmacKey&&this.k(A("hmacKey",r.hmacKey,this.T))}};function B(t){let n;return n="SHA-224"==t?u.slice():w.slice(),n}function M(t,n){let e,r,i,s,o,u,w,c,f,a,l;const A=[];for(e=n[0],r=n[1],i=n[2],s=n[3],o=n[4],u=n[5],w=n[6],c=n[7],l=0;l<64;l+=1)A[l]=l<16?t[l]:U(S(E=A[l-2],17)^S(E,19)^b(E,10),A[l-7],R(A[l-15]),A[l-16]),f=v(c,K(o),d(o,u,w),h[l],A[l]),a=y(C(e),m(e,r,i)),c=w,w=u,u=o,o=y(s,f),s=i,i=r,r=e,e=y(f,a);var E;return n[0]=y(e,n[0]),n[1]=y(r,n[1]),n[2]=y(i,n[2]),n[3]=y(s,n[3]),n[4]=y(o,n[4]),n[5]=y(u,n[5]),n[6]=y(w,n[6]),n[7]=y(c,n[7]),n}let k=class extends E{constructor(t,n,e){if("SHA-224"!==t&&"SHA-256"!==t)throw new Error(c);super(t,n,e);const r=e||{};this.g=this.Y,this.M=!0,this.T=-1,this.C=i(this.t,this.i,this.T),this.v=M,this.L=function(t){return t.slice()},this.B=B,this.F=function(n,e,r,i){return function(t,n,e,r,i){let s,h;const u=15+(n+65>>>9<<4),w=n+e;for(;t.length<=u;)t.push(0);for(t[n>>>5]|=128<<24-n%32,t[u]=4294967295&w,t[u-1]=w/o|0,s=0;s<t.length;s+=16)r=M(t.slice(s,s+16),r);return 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Y(u.N^w.N^c.N^f.N^a.N,u.I^w.I^c.I^f.I^a.I));for(r=0;r<5;r+=1)h[r]=V(o[(r+4)%5],N(o[(r+1)%5],1));for(r=0;r<5;r+=1)for(i=0;i<5;i+=1)n[r][i]=V(n[r][i],h[r]);for(r=0;r<5;r+=1)for(i=0;i<5;i+=1)s[i][(2*r+3*i)%5]=N(n[r][i],$[r][i]);for(r=0;r<5;r+=1)for(i=0;i<5;i+=1)n[r][i]=V(s[r][i],new Y(~s[(r+1)%5][i].N&s[(r+2)%5][i].N,~s[(r+1)%5][i].I&s[(r+2)%5][i].I));n[0][0]=V(n[0][0],W[e])}var u,w,c,f,a;return n}function rt(t){let n,e,r=0;const i=[0,0],s=[4294967295&t,t/o&2097151];for(n=6;n>=0;n--)e=s[n>>2]>>>8*n&255,0===e&&0===r||(i[r+1>>2]|=e<<8*(r+1),r+=1);return r=0!==r?r:1,i[0]|=r,{value:r+1>4?i:[i[0]],binLen:8+8*r}}function it(t){return a(rt(t.binLen),t)}function st(t,n){let e,r=rt(n);r=a(r,t);const i=n>>>2,s=(i-r.value.length%i)%i;for(e=0;e<s;e++)r.value.push(0);return r.value}let ot=class extends E{constructor(t,n,e){let r=6,s=0;super(t,n,e);const o=e||{};if(1!==this.numRounds){if(o.kmacKey||o.hmacKey)throw new Error(f);if("CSHAKE128"===this.o||"CSHAKE256"===this.o)throw new Error("Cannot set numRounds for CSHAKE variants")}switch(this.T=1,this.C=i(this.t,this.i,this.T),this.v=et,this.L=nt,this.B=tt,this.U=tt(),this.K=!1,t){case"SHA3-224":this.m=s=1152,this.R=224,this.M=!0,this.g=this.Y;break;case"SHA3-256":this.m=s=1088,this.R=256,this.M=!0,this.g=this.Y;break;case"SHA3-384":this.m=s=832,this.R=384,this.M=!0,this.g=this.Y;break;case"SHA3-512":this.m=s=576,this.R=512,this.M=!0,this.g=this.Y;break;case"SHAKE128":r=31,this.m=s=1344,this.R=-1,this.K=!0,this.M=!1,this.g=null;break;case"SHAKE256":r=31,this.m=s=1088,this.R=-1,this.K=!0,this.M=!1,this.g=null;break;case"KMAC128":r=4,this.m=s=1344,this.X(e),this.R=-1,this.K=!0,this.M=!1,this.g=this._;break;case"KMAC256":r=4,this.m=s=1088,this.X(e),this.R=-1,this.K=!0,this.M=!1,this.g=this._;break;case"CSHAKE128":this.m=s=1344,r=this.O(e),this.R=-1,this.K=!0,this.M=!1,this.g=null;break;case"CSHAKE256":this.m=s=1088,r=this.O(e),this.R=-1,this.K=!0,this.M=!1,this.g=null;break;default:throw new Error(c)}this.F=function(t,n,e,i,o){return function(t,n,e,r,i,s,o){let h,u,w=0;const c=[],f=i>>>5,a=n>>>5;for(h=0;h<a&&n>=i;h+=f)r=et(t.slice(h,h+f),r),n-=i;for(t=t.slice(h),n%=i;t.length<f;)t.push(0);for(h=n>>>3,t[h>>2]^=s<<h%4*8,t[f-1]^=2147483648,r=et(t,r);32*c.length<o&&(u=r[w%5][w/5|0],c.push(u.I),!(32*c.length>=o));)c.push(u.N),w+=1,0==64*w%i&&(et(null,r),w=0);return c}(t,n,0,i,s,r,o)},o.hmacKey&&this.k(A("hmacKey",o.hmacKey,this.T))}O(t,n){const e=function(t){const n=t||{};return{funcName:A("funcName",n.funcName,1,{value:[],binLen:0}),customization:A("Customization",n.customization,1,{value:[],binLen:0})}}(t||{});n&&(e.funcName=n);const r=a(it(e.funcName),it(e.customization));if(0!==e.customization.binLen||0!==e.funcName.binLen){const t=st(r,this.m>>>3);for(let n=0;n<t.length;n+=this.m>>>5)this.U=this.v(t.slice(n,n+(this.m>>>5)),this.U),this.A+=this.m;return 4}return 31}X(t){const n=function(t){const n=t||{};return{kmacKey:A("kmacKey",n.kmacKey,1),funcName:{value:[1128353099],binLen:32},customization:A("Customization",n.customization,1,{value:[],binLen:0})}}(t||{});this.O(t,n.funcName);const e=st(it(n.kmacKey),this.m>>>3);for(let t=0;t<e.length;t+=this.m>>>5)this.U=this.v(e.slice(t,t+(this.m>>>5)),this.U),this.A+=this.m;this.H=!0}_(t){const n=a({value:this.h.slice(),binLen:this.u},function(t){let n,e,r=0;const i=[0,0],s=[4294967295&t,t/o&2097151];for(n=6;n>=0;n--)e=s[n>>2]>>>8*n&255,0===e&&0===r||(i[r>>2]|=e<<8*r,r+=1);return r=0!==r?r:1,i[r>>2]|=r<<8*r,{value:r+1>4?i:[i[0]],binLen:8+8*r}}(t.outputLen));return this.F(n.value,n.binLen,this.A,this.L(this.U),t.outputLen)}};class ht{constructor(t,n,e){if("SHA-1"==t)this.P=new L(t,n,e);else if("SHA-224"==t||"SHA-256"==t)this.P=new k(t,n,e);else if("SHA-384"==t||"SHA-512"==t)this.P=new Q(t,n,e);else{if("SHA3-224"!=t&&"SHA3-256"!=t&&"SHA3-384"!=t&&"SHA3-512"!=t&&"SHAKE128"!=t&&"SHAKE256"!=t&&"CSHAKE128"!=t&&"CSHAKE256"!=t&&"KMAC128"!=t&&"KMAC256"!=t)throw new Error(c);this.P=new ot(t,n,e)}}update(t){return this.P.update(t),this}getHash(t,n){return this.P.getHash(t,n)}setHMACKey(t,n,e){this.P.setHMACKey(t,n,e)}getHMAC(t,n){return this.P.getHMAC(t,n)}}export{ht as default};
    10. 

  10. //# sourceMappingURL=sha.mjs.map
    11.