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11 lines
22 KiB
JavaScript
11 lines
22 KiB
JavaScript
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/**
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* A JavaScript implementation of the SHA family of hashes - defined in FIPS PUB 180-4, FIPS PUB 202,
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* and SP 800-185 - as well as the corresponding HMAC implementation as defined in FIPS PUB 198-1.
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*
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* Copyright 2008-2020 Brian Turek, 1998-2009 Paul Johnston & Contributors
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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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*/
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const t="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";function n(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 e(e,r,i){switch(r){case"UTF8":case"UTF16BE":case"UTF16LE":break;default:throw new Error("encoding must be UTF8, UTF16BE, or UTF16LE")}switch(e){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,i)};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,r,n,e,i)};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,i)};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,i)};case"ARRAYBUFFER":try{new ArrayBuffer(0)}catch(t){throw new Error("ARRAYBUFFER not supported by this environment")}return function(t,e,r){return function(t,e,r,i){return n(new Uint8Array(t),e,r,i)}(t,e,r,i)};case"UINT8ARRAY":try{new Uint8Array(0)}catch(t){throw new Error("UINT8ARRAY not supported by this environment")}return function(t,e,r){return n(t,e,r,i)};default:throw new Error("format must be HEX, TEXT, B64, BYTES, ARRAYBUFFER, or UINT8ARRAY")}}function r(n,e,r,i){switch(n){case"HEX":return function(t){return function(t,n,e,r){let i,s,o="";const h=n/8,u=-1===e?3:0;for(i=0;i<h;i+=1)s=t[i>>>2]>>>8*(u+e*(i%4)),o+="0123456789abcdef".charAt(s>>>4&15)+"0123456789abcdef".charAt(15&s);return r.outputUpper?o.toUpperCase():o}(t,e,r,i)};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,e,r,i)};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,e,r)};case"ARRAYBUFFER":try{new ArrayBuffer(0)}catch(t){throw new Error("ARRAYBUFFER not supported by this environment")}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,e,r)};case"UINT8ARRAY":try{new Uint8Array(0)}catch(t){throw
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//# sourceMappingURL=sha.mjs.map
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