oidc-client
Version:
OpenID Connect (OIDC) & OAuth2 client library
3 lines • 2.67 kB
JavaScript
/*! (c) Tom Wu | http://www-cs-students.stanford.edu/~tjw/jsbn/
*/
function parseBigInt(b,a){return new BigInteger(b,a)}function linebrk(c,d){var a="";var b=0;while(b+d<c.length){a+=c.substring(b,b+d)+"\n";b+=d}return a+c.substring(b,c.length)}function byte2Hex(a){if(a<16){return"0"+a.toString(16)}else{return a.toString(16)}}function pkcs1pad2(e,h){if(h<e.length+11){throw"Message too long for RSA";return null}var g=new Array();var d=e.length-1;while(d>=0&&h>0){var f=e.charCodeAt(d--);if(f<128){g[--h]=f}else{if((f>127)&&(f<2048)){g[--h]=(f&63)|128;g[--h]=(f>>6)|192}else{g[--h]=(f&63)|128;g[--h]=((f>>6)&63)|128;g[--h]=(f>>12)|224}}}g[--h]=0;var b=new SecureRandom();var a=new Array();while(h>2){a[0]=0;while(a[0]==0){b.nextBytes(a)}g[--h]=a[0]}g[--h]=2;g[--h]=0;return new BigInteger(g)}function oaep_mgf1_arr(c,a,e){var b="",d=0;while(b.length<a){b+=e(String.fromCharCode.apply(String,c.concat([(d&4278190080)>>24,(d&16711680)>>16,(d&65280)>>8,d&255])));d+=1}return b}function oaep_pad(q,a,f,l){var c=KJUR.crypto.MessageDigest;var o=KJUR.crypto.Util;var b=null;if(!f){f="sha1"}if(typeof f==="string"){b=c.getCanonicalAlgName(f);l=c.getHashLength(b);f=function(i){return hextorstr(o.hashHex(rstrtohex(i),b))}}if(q.length+2*l+2>a){throw"Message too long for RSA"}var k="",e;for(e=0;e<a-q.length-2*l-2;e+=1){k+="\x00"}var h=f("")+k+"\x01"+q;var g=new Array(l);new SecureRandom().nextBytes(g);var j=oaep_mgf1_arr(g,h.length,f);var p=[];for(e=0;e<h.length;e+=1){p[e]=h.charCodeAt(e)^j.charCodeAt(e)}var m=oaep_mgf1_arr(p,g.length,f);var d=[0];for(e=0;e<g.length;e+=1){d[e+1]=g[e]^m.charCodeAt(e)}return new BigInteger(d.concat(p))}function RSAKey(){this.n=null;this.e=0;this.d=null;this.p=null;this.q=null;this.dmp1=null;this.dmq1=null;this.coeff=null}function RSASetPublic(b,a){this.isPublic=true;this.isPrivate=false;if(typeof b!=="string"){this.n=b;this.e=a}else{if(b!=null&&a!=null&&b.length>0&&a.length>0){this.n=parseBigInt(b,16);this.e=parseInt(a,16)}else{throw"Invalid RSA public key"}}}function RSADoPublic(a){return a.modPowInt(this.e,this.n)}function RSAEncrypt(d){var a=pkcs1pad2(d,(this.n.bitLength()+7)>>3);if(a==null){return null}var e=this.doPublic(a);if(e==null){return null}var b=e.toString(16);if((b.length&1)==0){return b}else{return"0"+b}}function RSAEncryptOAEP(f,e,b){var a=oaep_pad(f,(this.n.bitLength()+7)>>3,e,b);if(a==null){return null}var g=this.doPublic(a);if(g==null){return null}var d=g.toString(16);if((d.length&1)==0){return d}else{return"0"+d}}RSAKey.prototype.doPublic=RSADoPublic;RSAKey.prototype.setPublic=RSASetPublic;RSAKey.prototype.encrypt=RSAEncrypt;RSAKey.prototype.encryptOAEP=RSAEncryptOAEP;RSAKey.prototype.type="RSA";