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stdbWeb/jwt/min/rsasign-1.2.min.js

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/*! rsasign-1.2.7.js (c) 2012 Kenji Urushima | kjur.github.com/jsrsasign/license
*/
var _RE_HEXDECONLY=new RegExp("");_RE_HEXDECONLY.compile("[^0-9a-f]","gi");function _rsasign_getHexPaddedDigestInfoForString(d,e,a){var b=function(f){return KJUR.crypto.Util.hashString(f,a)};var c=b(d);return KJUR.crypto.Util.getPaddedDigestInfoHex(c,a,e)}function _zeroPaddingOfSignature(e,d){var c="";var a=d/4-e.length;for(var b=0;b<a;b++){c=c+"0"}return c+e}function _rsasign_signString(d,a){var b=function(e){return KJUR.crypto.Util.hashString(e,a)};var c=b(d);return this.signWithMessageHash(c,a)}function _rsasign_signWithMessageHash(e,c){var f=KJUR.crypto.Util.getPaddedDigestInfoHex(e,c,this.n.bitLength());var b=parseBigInt(f,16);var d=this.doPrivate(b);var a=d.toString(16);return _zeroPaddingOfSignature(a,this.n.bitLength())}function _rsasign_signStringWithSHA1(a){return _rsasign_signString.call(this,a,"sha1")}function _rsasign_signStringWithSHA256(a){return _rsasign_signString.call(this,a,"sha256")}function pss_mgf1_str(c,a,e){var b="",d=0;while(b.length<a){b+=hextorstr(e(rstrtohex(c+String.fromCharCode.apply(String,[(d&4278190080)>>24,(d&16711680)>>16,(d&65280)>>8,d&255]))));d+=1}return b}function _rsasign_signStringPSS(e,a,d){var c=function(f){return KJUR.crypto.Util.hashHex(f,a)};var b=c(rstrtohex(e));if(d===undefined){d=-1}return this.signWithMessageHashPSS(b,a,d)}function _rsasign_signWithMessageHashPSS(l,a,k){var b=hextorstr(l);var g=b.length;var m=this.n.bitLength()-1;var c=Math.ceil(m/8);var d;var o=function(i){return KJUR.crypto.Util.hashHex(i,a)};if(k===-1||k===undefined){k=g}else{if(k===-2){k=c-g-2}else{if(k<-2){throw"invalid salt length"}}}if(c<(g+k+2)){throw"data too long"}var f="";if(k>0){f=new Array(k);new SecureRandom().nextBytes(f);f=String.fromCharCode.apply(String,f)}var n=hextorstr(o(rstrtohex("\x00\x00\x00\x00\x00\x00\x00\x00"+b+f)));var j=[];for(d=0;d<c-k-g-2;d+=1){j[d]=0}var e=String.fromCharCode.apply(String,j)+"\x01"+f;var h=pss_mgf1_str(n,e.length,o);var q=[];for(d=0;d<e.length;d+=1){q[d]=e.charCodeAt(d)^h.charCodeAt(d)}var p=(65280>>(8*c-m))&255;q[0]&=~p;for(d=0;d<g;d++){q.push(n.charCodeAt(d))}q.push(188);return _zeroPaddingOfSignature(this.doPrivate(new BigInteger(q)).toString(16),this.n.bitLength())}function _rsasign_getDecryptSignatureBI(a,d,c){var b=new RSAKey();b.setPublic(d,c);var e=b.doPublic(a);return e}function _rsasign_getHexDigestInfoFromSig(a,c,b){var e=_rsasign_getDecryptSignatureBI(a,c,b);var d=e.toString(16).replace(/^1f+00/,"");return d}function _rsasign_getAlgNameAndHashFromHexDisgestInfo(f){for(var e in KJUR.crypto.Util.DIGESTINFOHEAD){var d=KJUR.crypto.Util.DIGESTINFOHEAD[e];var b=d.length;if(f.substring(0,b)==d){var c=[e,f.substring(b)];return c}}return[]}function _rsasign_verifySignatureWithArgs(f,b,g,j){var e=_rsasign_getHexDigestInfoFromSig(b,g,j);var h=_rsasign_getAlgNameAndHashFromHexDisgestInfo(e);if(h.length==0){return false}var d=h[0];var i=h[1];var a=function(k){return KJUR.crypto.Util.hashString(k,d)};var c=a(f);return(i==c)}function _rsasign_verifyHexSignatureForMessage(c,b){var d=parseBigInt(c,16);var a=_rsasign_verifySignatureWithArgs(b,d,this.n.toString(16),this.e.toString(16));return a}function _rsasign_verifyString(f,j){j=j.replace(_RE_HEXDECONLY,"");j=j.replace(/[ \n]+/g,"");var b=parseBigInt(j,16);if(b.bitLength()>this.n.bitLength()){return 0}var i=this.doPublic(b);var e=i.toString(16).replace(/^1f+00/,"");var g=_rsasign_getAlgNameAndHashFromHexDisgestInfo(e);if(g.length==0){return false}var d=g[0];var h=g[1];var a=function(k){return KJUR.crypto.Util.hashString(k,d)};var c=a(f);return(h==c)}function _rsasign_verifyWithMessageHash(e,a){a=a.replace(_RE_HEXDECONLY,"");a=a.replace(/[ \n]+/g,"");var b=parseBigInt(a,16);if(b.bitLength()>this.n.bitLength()){return 0}var h=this.doPublic(b);var g=h.toString(16).replace(/^1f+00/,"");var c=_rsasign_getAlgNameAndHashFromHexDisgestInfo(g);if(c.length==0){return false}var d=c[0];var f=c[1];return(f==e)}function _rsasign_verifyStringPSS(c,b,a,f){var e=function(g){return KJUR.crypto.Util.hashHex(g,a)};var d=e(rstrtohex(c));if(f===undefined){f=-1}return this.verifyWithMessageHashPSS(d,b,a,f)}function _rsasign_verifyWithMessageHashPSS(f,s,l,c){var k=new BigInteger(s,16);if(k.bitLength()>this.n.bitLength()){return false}var r=function(i){return KJUR.crypto.Util.hashHex(i,l)};var j=hextorstr(f);var h=j.length;var g=this.n.bitLength()-1;var m=Math.ceil(g/8);var q;if(c===-1||c===undefined){c=h}else{if(c===-2){c=m-h-2}else{if(c<-2){throw"invalid salt length"}}}if(m<(h+c+2)){throw"data too long"}var a=this.doPublic(k).toByteArray();for(q=0;q<a.length;q+=1){a[q]&=255}while(a.length<m){a.unshift(0)}if(a[m-1]!==188){throw"encoded message does not end in 0xbc"}a=String.fromCharCode.apply(String,a);var d=a.substr(0,m-h-1);var e=a.substr(d.length,h);var p=(65280>>(8*m-g))&255;if((d.charCodeAt(0)&p)!==0){throw"bits beyond keysize not zero"}var n=pss_mgf1_str(e,d.length,r);var o=[];for(q=0;q<d.length;q+=1){o[q]=d.charCodeAt(q)^n.charCodeAt(q)}o[0]&=~p;var b=m-h-c-2;for(q=0;q<b;q+=1){if(o[q]!==0){throw"leftmost octets not zero"}}if(o[b]!==1){throw"0x01 marker not found"}return e===hextorstr(r(rstrtohex("\x00\x00\x00\x00\x00\x00\x00\x00"+j+String.fromCharCode.apply(String,o.slice(-c)))))}RSAKey.prototype.signWithMessageHash=_rsasign_signWithMessageHash;RSAKey.prototype.signString=_rsasign_signString;RSAKey.prototype.signStringWithSHA1=_rsasign_signStringWithSHA1;RSAKey.prototype.signStringWithSHA256=_rsasign_signStringWithSHA256;RSAKey.prototype.sign=_rsasign_signString;RSAKey.prototype.signWithSHA1=_rsasign_signStringWithSHA1;RSAKey.prototype.signWithSHA256=_rsasign_signStringWithSHA256;RSAKey.prototype.signWithMessageHashPSS=_rsasign_signWithMessageHashPSS;RSAKey.prototype.signStringPSS=_rsasign_signStringPSS;RSAKey.prototype.signPSS=_rsasign_signStringPSS;RSAKey.SALT_LEN_HLEN=-1;RSAKey.SALT_LEN_MAX=-2;RSAKey.prototype.verifyWithMessageHash=_rsasign_verifyWithMessageHash;RSAKey.prototype.verifyString=_rsasign_verifyString;RSAKey.prototype.verifyHexSignatureForMessage=_rsasign_verifyHexSignatureForMessage;RSAKey.prototype.verify=_rsasign_verifyString;RSAKey.prototype.verifyHexSignatureForByteArrayMessage=_rsasign_verifyHexSignatureForMessage;RSAKey.prototype.verifyWithMessageHashPSS=_rsasign_verifyWithMessageHashPSS;RSAKey.prototype.verifyStringPSS=_rsasign_verifyStringPSS;RSAKey.prototype.verifyPSS=_rsasign_verifyStringPSS;RSAKey.SALT_LEN_RECOVER=-2;