JS使用RSA非对称加密方式加密传输数据

场景：出于安全考虑，要求对页面提交的关键信息进行加密，在网络传输过程中使用密文传递，在服务器端解密后使用。这样不管在浏览器端还是网络传输中截获了数据，都无法获取实际的信息。

方法：使用非对称加密算法，在前端页面使用公钥进行加密，在后端服务使用密钥进行解密。

第一步、下载js rsa加密，jsencrypt.min.js下载地址：github主页 官方网站

网速不好的同学可以直接拷贝以下代码

/*! For license information please see jsencrypt.min.js.LICENSE.txt */
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n=e.length,s=!1,o=0;--n>=0;){var h=8==r?255&+e[n]:H(e,n);h<0?"-"==e.charAt(n)&&(s=!0):(s=!1,0==o?this[this.t++]=h:o+r>this.DB?(this[this.t-1]|=(h&(1<<this.DB-o)-1)<<o,this[this.t++]=h>>this.DB-o):this[this.t-1]|=h<<o,(o+=r)>=this.DB&&(o-=this.DB))}8==r&&0!=(128&+e[0])&&(this.s=-1,o>0&&(this[this.t-1]|=(1<<this.DB-o)-1<<o)),this.clamp(),s&&t.ZERO.subTo(this,this)},t.prototype.clamp=function(){for(var t=this.s&this.DM;this.t>0&&this[this.t-1]==t;)--this.t},t.prototype.dlShiftTo=function(t,e){var i;for(i=this.t-1;i>=0;--i)e[i+t]=this[i];for(i=t-1;i>=0;--i)e[i]=0;e.t=this.t+t,e.s=this.s},t.prototype.drShiftTo=function(t,e){for(var i=t;i<this.t;++i)e[i-t]=this[i];e.t=Math.max(this.t-t,0),e.s=this.s},t.prototype.lShiftTo=function(t,e){for(var i=t%this.DB,r=this.DB-i,n=(1<<r)-1,s=Math.floor(t/this.DB),o=this.s<<i&this.DM,h=this.t-1;h>=0;--h)e[h+s+1]=this[h]>>r|o,o=(this[h]&n)<<i;for(h=s-1;h>=0;--h)e[h]=0;e[s]=o,e.t=this.t+s+1,e.s=this.s,e.clamp()},t.prototype.rShiftTo=function(t,e){e.s=this.s;var i=Math.floor(t/this.DB);if(i>=this.t)e.t=0;else{var r=t%this.DB,n=this.DB-r,s=(1<<r)-1;e[0]=this[i]>>r;for(var o=i+1;o<this.t;++o)e[o-i-1]|=(this[o]&s)<<n,e[o-i]=this[o]>>r;r>0&&(e[this.t-i-1]|=(this.s&s)<<n),e.t=this.t-i,e.clamp()}},t.prototype.subTo=function(t,e){for(var i=0,r=0,n=Math.min(t.t,this.t);i<n;)r+=this[i]-t[i],e[i++]=r&this.DM,r>>=this.DB;if(t.t<this.t){for(r-=t.s;i<this.t;)r+=this[i],e[i++]=r&this.DM,r>>=this.DB;r+=this.s}else{for(r+=this.s;i<t.t;)r-=t[i],e[i++]=r&this.DM,r>>=this.DB;r-=t.s}e.s=r<0?-1:0,r<-1?e[i++]=this.DV+r:r>0&&(e[i++]=r),e.t=i,e.clamp()},t.prototype.multiplyTo=function(e,i){var r=this.abs(),n=e.abs(),s=r.t;for(i.t=s+n.t;--s>=0;)i[s]=0;for(s=0;s<n.t;++s)i[s+r.t]=r.am(0,n[s],i,s,0,r.t);i.s=0,i.clamp(),this.s!=e.s&&t.ZERO.subTo(i,i)},t.prototype.squareTo=function(t){for(var e=this.abs(),i=t.t=2*e.t;--i>=0;)t[i]=0;for(i=0;i<e.t-1;++i){var r=e.am(i,e[i],t,2*i,0,1);(t[i+e.t]+=e.am(i+1,2*e[i],t,2*i+1,r,e.t-i-1))>=e.DV&&(t[i+e.t]-=e.DV,t[i+e.t+1]=1)}t.t>0&&(t[t.t-1]+=e.am(i,e[i],t,2*i,0,1)),t.s=0,t.clamp()},t.prototype.divRemTo=function(e,i,r){var n=e.abs();if(!(n.t<=0)){var s=this.abs();if(s.t<n.t)return null!=i&&i.fromInt(0),void(null!=r&&this.copyTo(r));null==r&&(r=N());var o=N(),h=this.s,a=e.s,u=this.DB-F(n[n.t-1]);u>0?(n.lShiftTo(u,o),s.lShiftTo(u,r)):(n.copyTo(o),s.copyTo(r));var c=o.t,f=o[c-1];if(0!=f){var l=f*(1<<this.F1)+(c>1?o[c-2]>>this.F2:0),p=this.FV/l,g=(1<<this.F1)/l,d=1<<this.F2,v=r.t,m=v-c,y=null==i?N():i;for(o.dlShiftTo(m,y),r.compareTo(y)>=0&&(r[r.t++]=1,r.subTo(y,r)),t.ONE.dlShiftTo(c,y),y.subTo(o,o);o.t<c;)o[o.t++]=0;for(;--m>=0;){var 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e=this.chunkSize(t),i=Math.pow(t,e),r=C(i),n=N(),s=N(),o="";for(this.divRemTo(r,n,s);n.signum()>0;)o=(i+s.intValue()).toString(t).substr(1)+o,n.divRemTo(r,n,s);return s.intValue().toString(t)+o},t.prototype.fromRadix=function(e,i){this.fromInt(0),null==i&&(i=10);for(var r=this.chunkSize(i),n=Math.pow(i,r),s=!1,o=0,h=0,a=0;a<e.length;++a){var u=H(e,a);u<0?"-"==e.charAt(a)&&0==this.signum()&&(s=!0):(h=i*h+u,++o>=r&&(this.dMultiply(n),this.dAddOffset(h,0),o=0,h=0))}o>0&&(this.dMultiply(Math.pow(i,o)),this.dAddOffset(h,0)),s&&t.ZERO.subTo(this,this)},t.prototype.fromNumber=function(e,i,r){if("number"==typeof i)if(e<2)this.fromInt(1);else for(this.fromNumber(e,r),this.testBit(e-1)||this.bitwiseTo(t.ONE.shiftLeft(e-1),s,this),this.isEven()&&this.dAddOffset(1,0);!this.isProbablePrime(i);)this.dAddOffset(2,0),this.bitLength()>e&&this.subTo(t.ONE.shiftLeft(e-1),this);else{var 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i=0,r=0,n=Math.min(t.t,this.t);i<n;)r+=this[i]+t[i],e[i++]=r&this.DM,r>>=this.DB;if(t.t<this.t){for(r+=t.s;i<this.t;)r+=this[i],e[i++]=r&this.DM,r>>=this.DB;r+=this.s}else{for(r+=this.s;i<t.t;)r+=t[i],e[i++]=r&this.DM,r>>=this.DB;r+=t.s}e.s=r<0?-1:0,r>0?e[i++]=r:r<-1&&(e[i++]=this.DV+r),e.t=i,e.clamp()},t.prototype.dMultiply=function(t){this[this.t]=this.am(0,t-1,this,0,0,this.t),++this.t,this.clamp()},t.prototype.dAddOffset=function(t,e){if(0!=t){for(;this.t<=e;)this[this.t++]=0;for(this[e]+=t;this[e]>=this.DV;)this[e]-=this.DV,++e>=this.t&&(this[this.t++]=0),++this[e]}},t.prototype.multiplyLowerTo=function(t,e,i){var r=Math.min(this.t+t.t,e);for(i.s=0,i.t=r;r>0;)i[--r]=0;for(var n=i.t-this.t;r<n;++r)i[r+this.t]=this.am(0,t[r],i,r,0,this.t);for(n=Math.min(t.t,e);r<n;++r)this.am(0,t[r],i,r,0,e-r);i.clamp()},t.prototype.multiplyUpperTo=function(t,e,i){--e;var r=i.t=this.t+t.t-e;for(i.s=0;--r>=0;)i[r]=0;for(r=Math.max(e-this.t,0);r<t.t;++r)i[this.t+r-e]=this.am(e-r,t[r],i,0,0,this.t+r-e);i.clamp(),i.drShiftTo(1,i)},t.prototype.modInt=function(t){if(t<=0)return 0;var e=this.DV%t,i=this.s<0?t-1:0;if(this.t>0)if(0==e)i=this[0]%t;else for(var r=this.t-1;r>=0;--r)i=(e*i+this[r])%t;return i},t.prototype.millerRabin=function(e){var i=this.subtract(t.ONE),r=i.getLowestSetBit();if(r<=0)return!1;var n=i.shiftRight(r);(e=e+1>>1)>x.length&&(e=x.length);for(var s=N(),o=0;o<e;++o){s.fromInt(x[Math.floor(Math.random()*x.length)]);var h=s.modPow(n,this);if(0!=h.compareTo(t.ONE)&&0!=h.compareTo(i)){for(var a=1;a++<r&&0!=h.compareTo(i);)if(0==(h=h.modPowInt(2,this)).compareTo(t.ONE))return!1;if(0!=h.compareTo(i))return!1}}return!0},t.prototype.square=function(){var t=N();return this.squareTo(t),t},t.prototype.gcda=function(t,e){var i=this.s<0?this.negate():this.clone(),r=t.s<0?t.negate():t.clone();if(i.compareTo(r)<0){var n=i;i=r,r=n}var s=i.getLowestSetBit(),o=r.getLowestSetBit();if(o<0)e(i);else{s<o&&(o=s),o>0&&(i.rShiftTo(o,i),r.rShiftTo(o,r));var h=function(){(s=i.getLowestSetBit())>0&&i.rShiftTo(s,i),(s=r.getLowestSetBit())>0&&r.rShiftTo(s,r),i.compareTo(r)>=0?(i.subTo(r,i),i.rShiftTo(1,i)):(r.subTo(i,r),r.rShiftTo(1,r)),i.signum()>0?setTimeout(h,0):(o>0&&r.lShiftTo(o,r),setTimeout((function(){e(r)}),0))};setTimeout(h,10)}},t.prototype.fromNumberAsync=function(e,i,r,n){if("number"==typeof i)if(e<2)this.fromInt(1);else{this.fromNumber(e,r),this.testBit(e-1)||this.bitwiseTo(t.ONE.shiftLeft(e-1),s,this),this.isEven()&&this.dAddOffset(1,0);var o=this,h=function(){o.dAddOffset(2,0),o.bitLength()>e&&o.subTo(t.ONE.shiftLeft(e-1),o),o.isProbablePrime(i)?setTimeout((function(){n()}),0):setTimeout(h,0)};setTimeout(h,0)}else{var a=[],u=7&e;a.length=1+(e>>3),i.nextBytes(a),u>0?a[0]&=(1<<u)-1:a[0]=0,this.fromString(a,256)}},t}(),O=function(){function t(){}return t.prototype.convert=function(t){return 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i=32767&t[e],r=i*this.mpl+((i*this.mph+(t[e]>>15)*this.mpl&this.um)<<15)&t.DM;for(t[i=e+this.m.t]+=this.m.am(0,r,t,e,0,this.m.t);t[i]>=t.DV;)t[i]-=t.DV,t[++i]++}t.clamp(),t.drShiftTo(this.m.t,t),t.compareTo(this.m)>=0&&t.subTo(this.m,t)},t.prototype.mulTo=function(t,e,i){t.multiplyTo(e,i),this.reduce(i)},t.prototype.sqrTo=function(t,e){t.squareTo(e),this.reduce(e)},t}(),I=function(){function t(t){this.m=t,this.r2=N(),this.q3=N(),B.ONE.dlShiftTo(2*t.t,this.r2),this.mu=this.r2.divide(t)}return t.prototype.convert=function(t){if(t.s<0||t.t>2*this.m.t)return t.mod(this.m);if(t.compareTo(this.m)<0)return t;var e=N();return t.copyTo(e),this.reduce(e),e},t.prototype.revert=function(t){return t},t.prototype.reduce=function(t){for(t.drShiftTo(this.m.t-1,this.r2),t.t>this.m.t+1&&(t.t=this.m.t+1,t.clamp()),this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3),this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);t.compareTo(this.r2)<0;)t.dAddOffset(1,this.m.t+1);for(t.subTo(this.r2,t);t.compareTo(this.m)>=0;)t.subTo(this.m,t)},t.prototype.mulTo=function(t,e,i){t.multiplyTo(e,i),this.reduce(i)},t.prototype.sqrTo=function(t,e){t.squareTo(e),this.reduce(e)},t}();function N(){return new B(null)}function P(t,e){return new B(t,e)}var M="undefined"!=typeof navigator;M&&"Microsoft Internet Explorer"==navigator.appName?(B.prototype.am=function(t,e,i,r,n,s){for(var o=32767&e,h=e>>15;--s>=0;){var a=32767&this[t],u=this[t++]>>15,c=h*a+u*o;n=((a=o*a+((32767&c)<<15)+i[r]+(1073741823&n))>>>30)+(c>>>15)+h*u+(n>>>30),i[r++]=1073741823&a}return n},S=30):M&&"Netscape"!=navigator.appName?(B.prototype.am=function(t,e,i,r,n,s){for(;--s>=0;){var o=e*this[t++]+i[r]+n;n=Math.floor(o/67108864),i[r++]=67108863&o}return n},S=26):(B.prototype.am=function(t,e,i,r,n,s){for(var o=16383&e,h=e>>14;--s>=0;){var a=16383&this[t],u=this[t++]>>14,c=h*a+u*o;n=((a=o*a+((16383&c)<<14)+i[r]+n)>>28)+(c>>14)+h*u,i[r++]=268435455&a}return n},S=28),B.prototype.DB=S,B.prototype.DM=(1<<S)-1,B.prototype.DV=1<<S,B.prototype.FV=Math.pow(2,52),B.prototype.F1=52-S,B.prototype.F2=2*S-52;var j,q,L=[];for(j="0".charCodeAt(0),q=0;q<=9;++q)L[j++]=q;for(j="a".charCodeAt(0),q=10;q<36;++q)L[j++]=q;for(j="A".charCodeAt(0),q=10;q<36;++q)L[j++]=q;function H(t,e){var i=L[t.charCodeAt(e)];return null==i?-1:i}function C(t){var e=N();return e.fromInt(t),e}function F(t){var e,i=1;return 0!=(e=t>>>16)&&(t=e,i+=16),0!=(e=t>>8)&&(t=e,i+=8),0!=(e=t>>4)&&(t=e,i+=4),0!=(e=t>>2)&&(t=e,i+=2),0!=(e=t>>1)&&(t=e,i+=1),i}B.ZERO=C(0),B.ONE=C(1);var U,K,k=function(){function t(){this.i=0,this.j=0,this.S=[]}return t.prototype.init=function(t){var e,i,r;for(e=0;e<256;++e)this.S[e]=e;for(i=0,e=0;e<256;++e)i=i+this.S[e]+t[e%t.length]&255,r=this.S[e],this.S[e]=this.S[i],this.S[i]=r;this.i=0,this.j=0},t.prototype.next=function(){var t;return this.i=this.i+1&255,this.j=this.j+this.S[this.i]&255,t=this.S[this.i],this.S[this.i]=this.S[this.j],this.S[this.j]=t,this.S[t+this.S[this.i]&255]},t}(),_=null;if(null==_){_=[],K=0;var z=void 0;if(window.crypto&&window.crypto.getRandomValues){var Z=new Uint32Array(256);for(window.crypto.getRandomValues(Z),z=0;z<Z.length;++z)_[K++]=255&Z[z]}var G=0,$=function(t){if((G=G||0)>=256||K>=256)window.removeEventListener?window.removeEventListener("mousemove",$,!1):window.detachEvent&&window.detachEvent("onmousemove",$);else try{var e=t.x+t.y;_[K++]=255&e,G+=1}catch(t){}};window.addEventListener?window.addEventListener("mousemove",$,!1):window.attachEvent&&window.attachEvent("onmousemove",$)}function Y(){if(null==U){for(U=new k;K<256;){var t=Math.floor(65536*Math.random());_[K++]=255&t}for(U.init(_),K=0;K<_.length;++K)_[K]=0;K=0}return U.next()}var J=function(){function t(){}return t.prototype.nextBytes=function(t){for(var e=0;e<t.length;++e)t[e]=Y()},t}(),X=function(){function t(){this.n=null,this.e=0,this.d=null,this.p=null,this.q=null,this.dmp1=null,this.dmq1=null,this.coeff=null}return t.prototype.doPublic=function(t){return t.modPowInt(this.e,this.n)},t.prototype.doPrivate=function(t){if(null==this.p||null==this.q)return t.modPow(this.d,this.n);for(var e=t.mod(this.p).modPow(this.dmp1,this.p),i=t.mod(this.q).modPow(this.dmq1,this.q);e.compareTo(i)<0;)e=e.add(this.p);return e.subtract(i).multiply(this.coeff).mod(this.p).multiply(this.q).add(i)},t.prototype.setPublic=function(t,e){null!=t&&null!=e&&t.length>0&&e.length>0?(this.n=P(t,16),this.e=parseInt(e,16)):console.error("Invalid RSA public key")},t.prototype.encrypt=function(t){var e=this.n.bitLength()+7>>3,i=function(t,e){if(e<t.length+11)return console.error("Message too long for RSA"),null;for(var i=[],r=t.length-1;r>=0&&e>0;){var n=t.charCodeAt(r--);n<128?i[--e]=n:n>127&&n<2048?(i[--e]=63&n|128,i[--e]=n>>6|192):(i[--e]=63&n|128,i[--e]=n>>6&63|128,i[--e]=n>>12|224)}i[--e]=0;for(var s=new J,o=[];e>2;){for(o[0]=0;0==o[0];)s.nextBytes(o);i[--e]=o[0]}return i[--e]=2,i[--e]=0,new B(i)}(t,e);if(null==i)return null;var r=this.doPublic(i);if(null==r)return null;for(var n=r.toString(16),s=n.length,o=0;o<2*e-s;o++)n="0"+n;return n},t.prototype.setPrivate=function(t,e,i){null!=t&&null!=e&&t.length>0&&e.length>0?(this.n=P(t,16),this.e=parseInt(e,16),this.d=P(i,16)):console.error("Invalid RSA private key")},t.prototype.setPrivateEx=function(t,e,i,r,n,s,o,h){null!=t&&null!=e&&t.length>0&&e.length>0?(this.n=P(t,16),this.e=parseInt(e,16),this.d=P(i,16),this.p=P(r,16),this.q=P(n,16),this.dmp1=P(s,16),this.dmq1=P(o,16),this.coeff=P(h,16)):console.error("Invalid RSA private key")},t.prototype.generate=function(t,e){var i=new J,r=t>>1;this.e=parseInt(e,16);for(var n=new B(e,16);;){for(;this.p=new B(t-r,1,i),0!=this.p.subtract(B.ONE).gcd(n).compareTo(B.ONE)||!this.p.isProbablePrime(10););for(;this.q=new B(r,1,i),0!=this.q.subtract(B.ONE).gcd(n).compareTo(B.ONE)||!this.q.isProbablePrime(10););if(this.p.compareTo(this.q)<=0){var s=this.p;this.p=this.q,this.q=s}var o=this.p.subtract(B.ONE),h=this.q.subtract(B.ONE),a=o.multiply(h);if(0==a.gcd(n).compareTo(B.ONE)){this.n=this.p.multiply(this.q),this.d=n.modInverse(a),this.dmp1=this.d.mod(o),this.dmq1=this.d.mod(h),this.coeff=this.q.modInverse(this.p);break}}},t.prototype.decrypt=function(t){var e=P(t,16),i=this.doPrivate(e);return null==i?null:function(t,e){for(var i=t.toByteArray(),r=0;r<i.length&&0==i[r];)++r;if(i.length-r!=e-1||2!=i[r])return null;for(++r;0!=i[r];)if(++r>=i.length)return null;for(var n="";++r<i.length;){var s=255&i[r];s<128?n+=String.fromCharCode(s):s>191&&s<224?(n+=String.fromCharCode((31&s)<<6|63&i[r+1]),++r):(n+=String.fromCharCode((15&s)<<12|(63&i[r+1])<<6|63&i[r+2]),r+=2)}return n}(i,this.n.bitLength()+7>>3)},t.prototype.generateAsync=function(t,e,i){var r=new J,n=t>>1;this.e=parseInt(e,16);var s=new B(e,16),o=this,h=function(){var e=function(){if(o.p.compareTo(o.q)<=0){var t=o.p;o.p=o.q,o.q=t}var e=o.p.subtract(B.ONE),r=o.q.subtract(B.ONE),n=e.multiply(r);0==n.gcd(s).compareTo(B.ONE)?(o.n=o.p.multiply(o.q),o.d=s.modInverse(n),o.dmp1=o.d.mod(e),o.dmq1=o.d.mod(r),o.coeff=o.q.modInverse(o.p),setTimeout((function(){i()}),0)):setTimeout(h,0)},a=function(){o.q=N(),o.q.fromNumberAsync(n,1,r,(function(){o.q.subtract(B.ONE).gcda(s,(function(t){0==t.compareTo(B.ONE)&&o.q.isProbablePrime(10)?setTimeout(e,0):setTimeout(a,0)}))}))},u=function(){o.p=N(),o.p.fromNumberAsync(t-n,1,r,(function(){o.p.subtract(B.ONE).gcda(s,(function(t){0==t.compareTo(B.ONE)&&o.p.isProbablePrime(10)?setTimeout(a,0):setTimeout(u,0)}))}))};setTimeout(u,0)};setTimeout(h,0)},t.prototype.sign=function(t,e,i){var r=function(t,e){if(e<t.length+22)return console.error("Message too long for RSA"),null;for(var i=e-t.length-6,r="",n=0;n<i;n+=2)r+="ff";return P("0001"+r+"00"+t,16)}((Q[i]||"")+e(t).toString(),this.n.bitLength()/4);if(null==r)return null;var n=this.doPrivate(r);if(null==n)return null;var s=n.toString(16);return 0==(1&s.length)?s:"0"+s},t.prototype.verify=function(t,e,i){var r=P(e,16),n=this.doPublic(r);return null==n?null:function(t){for(var e in Q)if(Q.hasOwnProperty(e)){var i=Q[e],r=i.length;if(t.substr(0,r)==i)return t.substr(r)}return t}(n.toString(16).replace(/^1f+00/,""))==i(t).toString()},t}(),Q={md2:"3020300c06082a864886f70d020205000410",md5:"3020300c06082a864886f70d020505000410",sha1:"3021300906052b0e03021a05000414",sha224:"302d300d06096086480165030402040500041c",sha256:"3031300d060960864801650304020105000420",sha384:"3041300d060960864801650304020205000430",sha512:"3051300d060960864801650304020305000440",ripemd160:"3021300906052b2403020105000414"},W={};W.lang={extend:function(t,e,i){if(!e||!t)throw new Error("YAHOO.lang.extend failed, please check that all dependencies are included.");var r=function(){};if(r.prototype=e.prototype,t.prototype=new r,t.prototype.constructor=t,t.superclass=e.prototype,e.prototype.constructor==Object.prototype.constructor&&(e.prototype.constructor=e),i){var n;for(n in i)t.prototype[n]=i[n];var s=function(){},o=["toString","valueOf"];try{/MSIE/.test(navigator.userAgent)&&(s=function(t,e){for(n=0;n<o.length;n+=1){var i=o[n],r=e[i];"function"==typeof r&&r!=Object.prototype[i]&&(t[i]=r)}})}catch(t){}s(t.prototype,i)}}};var tt={};void 0!==tt.asn1&&tt.asn1||(tt.asn1={}),tt.asn1.ASN1Util=new function(){this.integerToByteHex=function(t){var e=t.toString(16);return e.length%2==1&&(e="0"+e),e},this.bigIntToMinTwosComplementsHex=function(t){var e=t.toString(16);if("-"!=e.substr(0,1))e.length%2==1?e="0"+e:e.match(/^[0-7]/)||(e="00"+e);else{var i=e.substr(1).length;i%2==1?i+=1:e.match(/^[0-7]/)||(i+=2);for(var r="",n=0;n<i;n++)r+="f";e=new B(r,16).xor(t).add(B.ONE).toString(16).replace(/^-/,"")}return e},this.getPEMStringFromHex=function(t,e){return hextopem(t,e)},this.newObject=function(t){var e=tt.asn1,i=e.DERBoolean,r=e.DERInteger,n=e.DERBitString,s=e.DEROctetString,o=e.DERNull,h=e.DERObjectIdentifier,a=e.DEREnumerated,u=e.DERUTF8String,c=e.DERNumericString,f=e.DERPrintableString,l=e.DERTeletexString,p=e.DERIA5String,g=e.DERUTCTime,d=e.DERGeneralizedTime,v=e.DERSequence,m=e.DERSet,y=e.DERTaggedObject,b=e.ASN1Util.newObject,T=Object.keys(t);if(1!=T.length)throw"key of param shall be only one.";var S=T[0];if(-1==":bool:int:bitstr:octstr:null:oid:enum:utf8str:numstr:prnstr:telstr:ia5str:utctime:gentime:seq:set:tag:".indexOf(":"+S+":"))throw"undefined key: "+S;if("bool"==S)return new i(t[S]);if("int"==S)return new r(t[S]);if("bitstr"==S)return new n(t[S]);if("octstr"==S)return new s(t[S]);if("null"==S)return new o(t[S]);if("oid"==S)return new h(t[S]);if("enum"==S)return new a(t[S]);if("utf8str"==S)return new u(t[S]);if("numstr"==S)return new c(t[S]);if("prnstr"==S)return new f(t[S]);if("telstr"==S)return new l(t[S]);if("ia5str"==S)return new p(t[S]);if("utctime"==S)return new g(t[S]);if("gentime"==S)return new d(t[S]);if("seq"==S){for(var E=t[S],w=[],D=0;D<E.length;D++){var x=b(E[D]);w.push(x)}return new v({array:w})}if("set"==S){for(E=t[S],w=[],D=0;D<E.length;D++)x=b(E[D]),w.push(x);return new m({array:w})}if("tag"==S){var R=t[S];if("[object Array]"===Object.prototype.toString.call(R)&&3==R.length){var B=b(R[2]);return new y({tag:R[0],explicit:R[1],obj:B})}var O={};if(void 0!==R.explicit&&(O.explicit=R.explicit),void 0!==R.tag&&(O.tag=R.tag),void 0===R.obj)throw"obj shall be specified for 'tag'.";return O.obj=b(R.obj),new y(O)}},this.jsonToASN1HEX=function(t){return this.newObject(t).getEncodedHex()}},tt.asn1.ASN1Util.oidHexToInt=function(t){for(var e="",i=parseInt(t.substr(0,2),16),r=(e=Math.floor(i/40)+"."+i%40,""),n=2;n<t.length;n+=2){var s=("00000000"+parseInt(t.substr(n,2),16).toString(2)).slice(-8);r+=s.substr(1,7),"0"==s.substr(0,1)&&(e=e+"."+new B(r,2).toString(10),r="")}return e},tt.asn1.ASN1Util.oidIntToHex=function(t){var e=function(t){var e=t.toString(16);return 1==e.length&&(e="0"+e),e},i=function(t){var i="",r=new B(t,10).toString(2),n=7-r.length%7;7==n&&(n=0);for(var s="",o=0;o<n;o++)s+="0";for(r=s+r,o=0;o<r.length-1;o+=7){var h=r.substr(o,7);o!=r.length-7&&(h="1"+h),i+=e(parseInt(h,2))}return i};if(!t.match(/^[0-9.]+$/))throw"malformed oid string: "+t;var r="",n=t.split("."),s=40*parseInt(n[0])+parseInt(n[1]);r+=e(s),n.splice(0,2);for(var o=0;o<n.length;o++)r+=i(n[o]);return r},tt.asn1.ASN1Object=function(){this.getLengthHexFromValue=function(){if(void 0===this.hV||null==this.hV)throw"this.hV is null or undefined.";if(this.hV.length%2==1)throw"value hex must be even length: n="+"".length+",v="+this.hV;var t=this.hV.length/2,e=t.toString(16);if(e.length%2==1&&(e="0"+e),t<128)return e;var i=e.length/2;if(i>15)throw"ASN.1 length too long to represent by 8x: n = "+t.toString(16);return(128+i).toString(16)+e},this.getEncodedHex=function(){return(null==this.hTLV||this.isModified)&&(this.hV=this.getFreshValueHex(),this.hL=this.getLengthHexFromValue(),this.hTLV=this.hT+this.hL+this.hV,this.isModified=!1),this.hTLV},this.getValueHex=function(){return this.getEncodedHex(),this.hV},this.getFreshValueHex=function(){return""}},tt.asn1.DERAbstractString=function(t){tt.asn1.DERAbstractString.superclass.constructor.call(this),this.getString=function(){return this.s},this.setString=function(t){this.hTLV=null,this.isModified=!0,this.s=t,this.hV=stohex(this.s)},this.setStringHex=function(t){this.hTLV=null,this.isModified=!0,this.s=null,this.hV=t},this.getFreshValueHex=function(){return this.hV},void 0!==t&&("string"==typeof t?this.setString(t):void 0!==t.str?this.setString(t.str):void 0!==t.hex&&this.setStringHex(t.hex))},W.lang.extend(tt.asn1.DERAbstractString,tt.asn1.ASN1Object),tt.asn1.DERAbstractTime=function(t){tt.asn1.DERAbstractTime.superclass.constructor.call(this),this.localDateToUTC=function(t){return utc=t.getTime()+6e4*t.getTimezoneOffset(),new Date(utc)},this.formatDate=function(t,e,i){var r=this.zeroPadding,n=this.localDateToUTC(t),s=String(n.getFullYear());"utc"==e&&(s=s.substr(2,2));var o=s+r(String(n.getMonth()+1),2)+r(String(n.getDate()),2)+r(String(n.getHours()),2)+r(String(n.getMinutes()),2)+r(String(n.getSeconds()),2);if(!0===i){var h=n.getMilliseconds();if(0!=h){var a=r(String(h),3);o=o+"."+(a=a.replace(/[0]+$/,""))}}return o+"Z"},this.zeroPadding=function(t,e){return t.length>=e?t:new Array(e-t.length+1).join("0")+t},this.getString=function(){return this.s},this.setString=function(t){this.hTLV=null,this.isModified=!0,this.s=t,this.hV=stohex(t)},this.setByDateValue=function(t,e,i,r,n,s){var o=new Date(Date.UTC(t,e-1,i,r,n,s,0));this.setByDate(o)},this.getFreshValueHex=function(){return this.hV}},W.lang.extend(tt.asn1.DERAbstractTime,tt.asn1.ASN1Object),tt.asn1.DERAbstractStructured=function(t){tt.asn1.DERAbstractString.superclass.constructor.call(this),this.setByASN1ObjectArray=function(t){this.hTLV=null,this.isModified=!0,this.asn1Array=t},this.appendASN1Object=function(t){this.hTLV=null,this.isModified=!0,this.asn1Array.push(t)},this.asn1Array=new Array,void 0!==t&&void 0!==t.array&&(this.asn1Array=t.array)},W.lang.extend(tt.asn1.DERAbstractStructured,tt.asn1.ASN1Object),tt.asn1.DERBoolean=function(){tt.asn1.DERBoolean.superclass.constructor.call(this),this.hT="01",this.hTLV="0101ff"},W.lang.extend(tt.asn1.DERBoolean,tt.asn1.ASN1Object),tt.asn1.DERInteger=function(t){tt.asn1.DERInteger.superclass.constructor.call(this),this.hT="02",this.setByBigInteger=function(t){this.hTLV=null,this.isModified=!0,this.hV=tt.asn1.ASN1Util.bigIntToMinTwosComplementsHex(t)},this.setByInteger=function(t){var e=new B(String(t),10);this.setByBigInteger(e)},this.setValueHex=function(t){this.hV=t},this.getFreshValueHex=function(){return this.hV},void 0!==t&&(void 0!==t.bigint?this.setByBigInteger(t.bigint):void 0!==t.int?this.setByInteger(t.int):"number"==typeof t?this.setByInteger(t):void 0!==t.hex&&this.setValueHex(t.hex))},W.lang.extend(tt.asn1.DERInteger,tt.asn1.ASN1Object),tt.asn1.DERBitString=function(t){if(void 0!==t&&void 0!==t.obj){var e=tt.asn1.ASN1Util.newObject(t.obj);t.hex="00"+e.getEncodedHex()}tt.asn1.DERBitString.superclass.constructor.call(this),this.hT="03",this.setHexValueIncludingUnusedBits=function(t){this.hTLV=null,this.isModified=!0,this.hV=t},this.setUnusedBitsAndHexValue=function(t,e){if(t<0||7<t)throw"unused bits shall be from 0 to 7: u = "+t;var i="0"+t;this.hTLV=null,this.isModified=!0,this.hV=i+e},this.setByBinaryString=function(t){var e=8-(t=t.replace(/0+$/,"")).length%8;8==e&&(e=0);for(var i=0;i<=e;i++)t+="0";var r="";for(i=0;i<t.length-1;i+=8){var n=t.substr(i,8),s=parseInt(n,2).toString(16);1==s.length&&(s="0"+s),r+=s}this.hTLV=null,this.isModified=!0,this.hV="0"+e+r},this.setByBooleanArray=function(t){for(var e="",i=0;i<t.length;i++)1==t[i]?e+="1":e+="0";this.setByBinaryString(e)},this.newFalseArray=function(t){for(var e=new Array(t),i=0;i<t;i++)e[i]=!1;return e},this.getFreshValueHex=function(){return this.hV},void 0!==t&&("string"==typeof t&&t.toLowerCase().match(/^[0-9a-f]+$/)?this.setHexValueIncludingUnusedBits(t):void 0!==t.hex?this.setHexValueIncludingUnusedBits(t.hex):void 0!==t.bin?this.setByBinaryString(t.bin):void 0!==t.array&&this.setByBooleanArray(t.array))},W.lang.extend(tt.asn1.DERBitString,tt.asn1.ASN1Object),tt.asn1.DEROctetString=function(t){if(void 0!==t&&void 0!==t.obj){var e=tt.asn1.ASN1Util.newObject(t.obj);t.hex=e.getEncodedHex()}tt.asn1.DEROctetString.superclass.constructor.call(this,t),this.hT="04"},W.lang.extend(tt.asn1.DEROctetString,tt.asn1.DERAbstractString),tt.asn1.DERNull=function(){tt.asn1.DERNull.superclass.constructor.call(this),this.hT="05",this.hTLV="0500"},W.lang.extend(tt.asn1.DERNull,tt.asn1.ASN1Object),tt.asn1.DERObjectIdentifier=function(t){var e=function(t){var e=t.toString(16);return 1==e.length&&(e="0"+e),e},i=function(t){var i="",r=new B(t,10).toString(2),n=7-r.length%7;7==n&&(n=0);for(var s="",o=0;o<n;o++)s+="0";for(r=s+r,o=0;o<r.length-1;o+=7){var h=r.substr(o,7);o!=r.length-7&&(h="1"+h),i+=e(parseInt(h,2))}return i};tt.asn1.DERObjectIdentifier.superclass.constructor.call(this),this.hT="06",this.setValueHex=function(t){this.hTLV=null,this.isModified=!0,this.s=null,this.hV=t},this.setValueOidString=function(t){if(!t.match(/^[0-9.]+$/))throw"malformed oid string: "+t;var r="",n=t.split("."),s=40*parseInt(n[0])+parseInt(n[1]);r+=e(s),n.splice(0,2);for(var o=0;o<n.length;o++)r+=i(n[o]);this.hTLV=null,this.isModified=!0,this.s=null,this.hV=r},this.setValueName=function(t){var e=tt.asn1.x509.OID.name2oid(t);if(""===e)throw"DERObjectIdentifier oidName undefined: "+t;this.setValueOidString(e)},this.getFreshValueHex=function(){return this.hV},void 0!==t&&("string"==typeof t?t.match(/^[0-2].[0-9.]+$/)?this.setValueOidString(t):this.setValueName(t):void 0!==t.oid?this.setValueOidString(t.oid):void 0!==t.hex?this.setValueHex(t.hex):void 0!==t.name&&this.setValueName(t.name))},W.lang.extend(tt.asn1.DERObjectIdentifier,tt.asn1.ASN1Object),tt.asn1.DEREnumerated=function(t){tt.asn1.DEREnumerated.superclass.constructor.call(this),this.hT="0a",this.setByBigInteger=function(t){this.hTLV=null,this.isModified=!0,this.hV=tt.asn1.ASN1Util.bigIntToMinTwosComplementsHex(t)},this.setByInteger=function(t){var e=new B(String(t),10);this.setByBigInteger(e)},this.setValueHex=function(t){this.hV=t},this.getFreshValueHex=function(){return this.hV},void 0!==t&&(void 0!==t.int?this.setByInteger(t.int):"number"==typeof t?this.setByInteger(t):void 0!==t.hex&&this.setValueHex(t.hex))},W.lang.extend(tt.asn1.DEREnumerated,tt.asn1.ASN1Object),tt.asn1.DERUTF8String=function(t){tt.asn1.DERUTF8String.superclass.constructor.call(this,t),this.hT="0c"},W.lang.extend(tt.asn1.DERUTF8String,tt.asn1.DERAbstractString),tt.asn1.DERNumericString=function(t){tt.asn1.DERNumericString.superclass.constructor.call(this,t),this.hT="12"},W.lang.extend(tt.asn1.DERNumericString,tt.asn1.DERAbstractString),tt.asn1.DERPrintableString=function(t){tt.asn1.DERPrintableString.superclass.constructor.call(this,t),this.hT="13"},W.lang.extend(tt.asn1.DERPrintableString,tt.asn1.DERAbstractString),tt.asn1.DERTeletexString=function(t){tt.asn1.DERTeletexString.superclass.constructor.call(this,t),this.hT="14"},W.lang.extend(tt.asn1.DERTeletexString,tt.asn1.DERAbstractString),tt.asn1.DERIA5String=function(t){tt.asn1.DERIA5String.superclass.constructor.call(this,t),this.hT="16"},W.lang.extend(tt.asn1.DERIA5String,tt.asn1.DERAbstractString),tt.asn1.DERUTCTime=function(t){tt.asn1.DERUTCTime.superclass.constructor.call(this,t),this.hT="17",this.setByDate=function(t){this.hTLV=null,this.isModified=!0,this.date=t,this.s=this.formatDate(this.date,"utc"),this.hV=stohex(this.s)},this.getFreshValueHex=function(){return void 0===this.date&&void 0===this.s&&(this.date=new Date,this.s=this.formatDate(this.date,"utc"),this.hV=stohex(this.s)),this.hV},void 0!==t&&(void 0!==t.str?this.setString(t.str):"string"==typeof t&&t.match(/^[0-9]{12}Z$/)?this.setString(t):void 0!==t.hex?this.setStringHex(t.hex):void 0!==t.date&&this.setByDate(t.date))},W.lang.extend(tt.asn1.DERUTCTime,tt.asn1.DERAbstractTime),tt.asn1.DERGeneralizedTime=function(t){tt.asn1.DERGeneralizedTime.superclass.constructor.call(this,t),this.hT="18",this.withMillis=!1,this.setByDate=function(t){this.hTLV=null,this.isModified=!0,this.date=t,this.s=this.formatDate(this.date,"gen",this.withMillis),this.hV=stohex(this.s)},this.getFreshValueHex=function(){return void 0===this.date&&void 0===this.s&&(this.date=new Date,this.s=this.formatDate(this.date,"gen",this.withMillis),this.hV=stohex(this.s)),this.hV},void 0!==t&&(void 0!==t.str?this.setString(t.str):"string"==typeof t&&t.match(/^[0-9]{14}Z$/)?this.setString(t):void 0!==t.hex?this.setStringHex(t.hex):void 0!==t.date&&this.setByDate(t.date),!0===t.millis&&(this.withMillis=!0))},W.lang.extend(tt.asn1.DERGeneralizedTime,tt.asn1.DERAbstractTime),tt.asn1.DERSequence=function(t){tt.asn1.DERSequence.superclass.constructor.call(this,t),this.hT="30",this.getFreshValueHex=function(){for(var t="",e=0;e<this.asn1Array.length;e++)t+=this.asn1Array[e].getEncodedHex();return this.hV=t,this.hV}},W.lang.extend(tt.asn1.DERSequence,tt.asn1.DERAbstractStructured),tt.asn1.DERSet=function(t){tt.asn1.DERSet.superclass.constructor.call(this,t),this.hT="31",this.sortFlag=!0,this.getFreshValueHex=function(){for(var t=new Array,e=0;e<this.asn1Array.length;e++){var i=this.asn1Array[e];t.push(i.getEncodedHex())}return 1==this.sortFlag&&t.sort(),this.hV=t.join(""),this.hV},void 0!==t&&void 0!==t.sortflag&&0==t.sortflag&&(this.sortFlag=!1)},W.lang.extend(tt.asn1.DERSet,tt.asn1.DERAbstractStructured),tt.asn1.DERTaggedObject=function(t){tt.asn1.DERTaggedObject.superclass.constructor.call(this),this.hT="a0",this.hV="",this.isExplicit=!0,this.asn1Object=null,this.setASN1Object=function(t,e,i){this.hT=e,this.isExplicit=t,this.asn1Object=i,this.isExplicit?(this.hV=this.asn1Object.getEncodedHex(),this.hTLV=null,this.isModified=!0):(this.hV=null,this.hTLV=i.getEncodedHex(),this.hTLV=this.hTLV.replace(/^../,e),this.isModified=!1)},this.getFreshValueHex=function(){return this.hV},void 0!==t&&(void 0!==t.tag&&(this.hT=t.tag),void 0!==t.explicit&&(this.isExplicit=t.explicit),void 0!==t.obj&&(this.asn1Object=t.obj,this.setASN1Object(this.isExplicit,this.hT,this.asn1Object)))},W.lang.extend(tt.asn1.DERTaggedObject,tt.asn1.ASN1Object);var et,it=(et=function(t,e){return(et=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])})(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function i(){this.constructor=t}et(t,e),t.prototype=null===e?Object.create(e):(i.prototype=e.prototype,new i)}),rt=function(t){function e(i){var r=t.call(this)||this;return i&&("string"==typeof i?r.parseKey(i):(e.hasPrivateKeyProperty(i)||e.hasPublicKeyProperty(i))&&r.parsePropertiesFrom(i)),r}return it(e,t),e.prototype.parseKey=function(t){try{var e=0,i=0,r=/^\s*(?:[0-9A-Fa-f][0-9A-Fa-f]\s*)+$/.test(t)?function(t){var e;if(void 0===c){var i="0123456789ABCDEF",r=" \f\n\r\t \u2028\u2029";for(c={},e=0;e<16;++e)c[i.charAt(e)]=e;for(i=i.toLowerCase(),e=10;e<16;++e)c[i.charAt(e)]=e;for(e=0;e<r.length;++e)c[r.charAt(e)]=-1}var n=[],s=0,o=0;for(e=0;e<t.length;++e){var h=t.charAt(e);if("="==h)break;if(-1!=(h=c[h])){if(void 0===h)throw new Error("Illegal character at offset "+e);s|=h,++o>=2?(n[n.length]=s,s=0,o=0):s<<=4}}if(o)throw new Error("Hex encoding incomplete: 4 bits missing");return n}(t):d.unarmor(t),n=w.decode(r);if(3===n.sub.length&&(n=n.sub[2].sub[0]),9===n.sub.length){e=n.sub[1].getHexStringValue(),this.n=P(e,16),i=n.sub[2].getHexStringValue(),this.e=parseInt(i,16);var s=n.sub[3].getHexStringValue();this.d=P(s,16);var o=n.sub[4].getHexStringValue();this.p=P(o,16);var h=n.sub[5].getHexStringValue();this.q=P(h,16);var a=n.sub[6].getHexStringValue();this.dmp1=P(a,16);var u=n.sub[7].getHexStringValue();this.dmq1=P(u,16);var f=n.sub[8].getHexStringValue();this.coeff=P(f,16)}else{if(2!==n.sub.length)return!1;var l=n.sub[1].sub[0];e=l.sub[0].getHexStringValue(),this.n=P(e,16),i=l.sub[1].getHexStringValue(),this.e=parseInt(i,16)}return!0}catch(t){return!1}},e.prototype.getPrivateBaseKey=function(){var t={array:[new tt.asn1.DERInteger({int:0}),new tt.asn1.DERInteger({bigint:this.n}),new tt.asn1.DERInteger({int:this.e}),new tt.asn1.DERInteger({bigint:this.d}),new tt.asn1.DERInteger({bigint:this.p}),new tt.asn1.DERInteger({bigint:this.q}),new tt.asn1.DERInteger({bigint:this.dmp1}),new tt.asn1.DERInteger({bigint:this.dmq1}),new tt.asn1.DERInteger({bigint:this.coeff})]};return new tt.asn1.DERSequence(t).getEncodedHex()},e.prototype.getPrivateBaseKeyB64=function(){return l(this.getPrivateBaseKey())},e.prototype.getPublicBaseKey=function(){var t=new tt.asn1.DERSequence({array:[new tt.asn1.DERObjectIdentifier({oid:"1.2.840.113549.1.1.1"}),new tt.asn1.DERNull]}),e=new tt.asn1.DERSequence({array:[new tt.asn1.DERInteger({bigint:this.n}),new tt.asn1.DERInteger({int:this.e})]}),i=new tt.asn1.DERBitString({hex:"00"+e.getEncodedHex()});return new tt.asn1.DERSequence({array:[t,i]}).getEncodedHex()},e.prototype.getPublicBaseKeyB64=function(){return l(this.getPublicBaseKey())},e.wordwrap=function(t,e){if(!t)return t;var i="(.{1,"+(e=e||64)+"})( +|$\n?)|(.{1,"+e+"})";return t.match(RegExp(i,"g")).join("\n")},e.prototype.getPrivateKey=function(){var t="-----BEGIN RSA PRIVATE KEY-----\n";return(t+=e.wordwrap(this.getPrivateBaseKeyB64())+"\n")+"-----END RSA PRIVATE KEY-----"},e.prototype.getPublicKey=function(){var t="-----BEGIN PUBLIC KEY-----\n";return(t+=e.wordwrap(this.getPublicBaseKeyB64())+"\n")+"-----END PUBLIC KEY-----"},e.hasPublicKeyProperty=function(t){return(t=t||{}).hasOwnProperty("n")&&t.hasOwnProperty("e")},e.hasPrivateKeyProperty=function(t){return(t=t||{}).hasOwnProperty("n")&&t.hasOwnProperty("e")&&t.hasOwnProperty("d")&&t.hasOwnProperty("p")&&t.hasOwnProperty("q")&&t.hasOwnProperty("dmp1")&&t.hasOwnProperty("dmq1")&&t.hasOwnProperty("coeff")},e.prototype.parsePropertiesFrom=function(t){this.n=t.n,this.e=t.e,t.hasOwnProperty("d")&&(this.d=t.d,this.p=t.p,this.q=t.q,this.dmp1=t.dmp1,this.dmq1=t.dmq1,this.coeff=t.coeff)},e}(X);const nt=function(){function t(t){void 0===t&&(t={}),t=t||{},this.default_key_size=t.default_key_size?parseInt(t.default_key_size,10):1024,this.default_public_exponent=t.default_public_exponent||"010001",this.log=t.log||!1,this.key=null}return t.prototype.setKey=function(t){this.log&&this.key&&console.warn("A key was already set, overriding existing."),this.key=new rt(t)},t.prototype.setPrivateKey=function(t){this.setKey(t)},t.prototype.setPublicKey=function(t){this.setKey(t)},t.prototype.decrypt=function(t){try{return this.getKey().decrypt(p(t))}catch(t){return!1}},t.prototype.encrypt=function(t){try{return l(this.getKey().encrypt(t))}catch(t){return!1}},t.prototype.sign=function(t,e,i){try{return l(this.getKey().sign(t,e,i))}catch(t){return!1}},t.prototype.verify=function(t,e,i){try{return this.getKey().verify(t,p(e),i)}catch(t){return!1}},t.prototype.getKey=function(t){if(!this.key){if(this.key=new rt,t&&"[object Function]"==={}.toString.call(t))return void this.key.generateAsync(this.default_key_size,this.default_public_exponent,t);this.key.generate(this.default_key_size,this.default_public_exponent)}return this.key},t.prototype.getPrivateKey=function(){return this.getKey().getPrivateKey()},t.prototype.getPrivateKeyB64=function(){return this.getKey().getPrivateBaseKeyB64()},t.prototype.getPublicKey=function(){return this.getKey().getPublicKey()},t.prototype.getPublicKeyB64=function(){return this.getKey().getPublicBaseKeyB64()},t.version="3.2.1",t}()}],e={d:(t,i)=>{for(var r in i)e.o(i,r)&&!e.o(t,r)&&Object.defineProperty(t,r,{enumerable:!0,get:i[r]})},o:(t,e)=>Object.prototype.hasOwnProperty.call(t,e)},i={};return t[1](0,i,e),i.default})()}));

第二步、使用后端代码生成公钥和私钥

java示例：

/**
 * 生成秘钥对
 */
public static void generateKey() {
    // 1.初始化秘钥
    KeyPairGenerator keyPairGenerator;
    try {
        keyPairGenerator = KeyPairGenerator.getInstance("RSA");
        // 随机数生成器
        SecureRandom sr = new SecureRandom();
        // 设置1024位长的秘钥
        keyPairGenerator.initialize(1024, sr);
        // 开始创建
        KeyPair keyPair = keyPairGenerator.generateKeyPair();
        //获取公钥
        RSAPublicKey rsaPublicKey = (RSAPublicKey) keyPair.getPublic();
        //获取私钥
        RSAPrivateKey rsaPrivateKey = (RSAPrivateKey) keyPair.getPrivate();
        //对公钥进行编码
        PUBLIC_KEY = Base64.encodeBase64String(rsaPublicKey.getEncoded());
        //对私钥进行编码
        PRIVATE_KEY = Base64.encodeBase64String(rsaPrivateKey.getEncoded());
    } catch (NoSuchAlgorithmException e) {

        e.printStackTrace();
    }
}

第三步、前端加密代码

function do_encrypt() {
     let key='MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjOZCmtlR+qpVOcTzBAW0m0uYtkhGIa/PZsUqxHteT6KZ4eCrLbAuTrun6piW+A4dhfhAUqS9/tgiDC+Xc03Hjpdm3hAqvaQEYywodYIHJgQ3MhoHPogvwQMxQdZDItGugExV2zLdTuU4ZZthpgEk+K6lUuQjRTRenujLc5JblnwIDAQAB';
     let username=$('input[name=username]').val();

    // Encrypt with the public key...
    var encrypt = new JSEncrypt();
    encrypt.setPublicKey(key);
    var encrypted = encrypt.encrypt(username);
    console.log(encrypted);
}

第四步、后端解密前端加密后的数据