react-filerobot-video-editor/lib/utils/sha1.js

React component version of filerobot video editor (FVE).

var rotateLeft=function(a,b){return a<<b|a>>>32-b},cvtHex=function(a){var b,c,d="";for(b=7;0<=b;b--)c=15&a>>>4*b,d+=c.toString(16);return d},Utf8Encode=function(a){for(var b,d=a.replace(/\r\n/g,"\n"),e="",f=0;f<d.length;f++)b=d.charCodeAt(f),128>b?e+=String.fromCharCode(b):127<b&&2048>b?(e+=String.fromCharCode(192|b>>6),e+=String.fromCharCode(128|63&b)):(e+=String.fromCharCode(224|b>>12),e+=String.fromCharCode(128|63&b>>6),e+=String.fromCharCode(128|63&b));return e},sha1=function(a){var b,c,d,e,f,g,h,k,l,m=a,n=Array(80),o=1732584193,p=4023233417,q=2562383102,r=271733878,s=3285377520;m=Utf8Encode(m);var t=m.length,u=[];for(c=0;c<t-3;c+=4)d=m.charCodeAt(c)<<24|m.charCodeAt(c+1)<<16|m.charCodeAt(c+2)<<8|m.charCodeAt(c+3),u.push(d);switch(t%4){case 0:c=2147483648;break;case 1:c=8388608|m.charCodeAt(t-1)<<24;break;case 2:c=32768|(m.charCodeAt(t-2)<<24|m.charCodeAt(t-1)<<16);break;case 3:c=128|(m.charCodeAt(t-3)<<24|m.charCodeAt(t-2)<<16|m.charCodeAt(t-1)<<8);break;default:}for(u.push(c);14!=u.length%16;)u.push(0);for(u.push(t>>>29),u.push(4294967295&t<<3),b=0;b<u.length;b+=16){for(c=0;16>c;c++)n[c]=u[b+c];for(c=16;79>=c;c++)n[c]=rotateLeft(n[c-3]^n[c-8]^n[c-14]^n[c-16],1);for(e=o,f=p,g=q,h=r,k=s,c=0;19>=c;c++)l=4294967295&rotateLeft(e,5)+(f&g|~f&h)+k+n[c]+1518500249,k=h,h=g,g=rotateLeft(f,30),f=e,e=l;for(c=20;39>=c;c++)l=4294967295&rotateLeft(e,5)+(f^g^h)+k+n[c]+1859775393,k=h,h=g,g=rotateLeft(f,30),f=e,e=l;for(c=40;59>=c;c++)l=4294967295&rotateLeft(e,5)+(f&g|f&h|g&h)+k+n[c]+2400959708,k=h,h=g,g=rotateLeft(f,30),f=e,e=l;for(c=60;79>=c;c++)l=4294967295&rotateLeft(e,5)+(f^g^h)+k+n[c]+3395469782,k=h,h=g,g=rotateLeft(f,30),f=e,e=l;o=4294967295&o+e,p=4294967295&p+f,q=4294967295&q+g,r=4294967295&r+h,s=4294967295&s+k}return l=cvtHex(o)+cvtHex(p)+cvtHex(q)+cvtHex(r)+cvtHex(s),l.toLowerCase()};export default sha1;