diff --git a/js/securityLib/rsasign-1.2.min.js b/js/securityLib/rsasign-1.2.min.js
new file mode 100644
index 0000000..e344826
--- /dev/null
+++ b/js/securityLib/rsasign-1.2.min.js
@@ -0,0 +1,3 @@
+/*! rsasign-1.2.js (c) 2012 Kenji Urushima | kjur.github.com/jsrsasign/license
+ */
+var _RSASIGN_DIHEAD=[];_RSASIGN_DIHEAD.sha1="3021300906052b0e03021a05000414";_RSASIGN_DIHEAD.sha256="3031300d060960864801650304020105000420";_RSASIGN_DIHEAD.sha384="3041300d060960864801650304020205000430";_RSASIGN_DIHEAD.sha512="3051300d060960864801650304020305000440";_RSASIGN_DIHEAD.md2="3020300c06082a864886f70d020205000410";_RSASIGN_DIHEAD.md5="3020300c06082a864886f70d020505000410";_RSASIGN_DIHEAD.ripemd160="3021300906052b2403020105000414";var _RSASIGN_HASHHEXFUNC=[];_RSASIGN_HASHHEXFUNC.sha1=function(a){return hex_sha1(a)};_RSASIGN_HASHHEXFUNC.sha256=function(a){return hex_sha256(a)};_RSASIGN_HASHHEXFUNC.sha512=function(a){return hex_sha512(a)};_RSASIGN_HASHHEXFUNC.md5=function(a){return hex_md5(a)};_RSASIGN_HASHHEXFUNC.ripemd160=function(a){return hex_rmd160(a)};var _RE_HEXDECONLY=new RegExp("");_RE_HEXDECONLY.compile("[^0-9a-f]","gi");function _rsasign_getHexPaddedDigestInfoForString(l,f,b){var c=f/4;var h=_RSASIGN_HASHHEXFUNC[b];var d=h(l);var a="0001";var j="00"+_RSASIGN_DIHEAD[b]+d;var g="";var k=c-a.length-j.length;for(var e=0;e<k;e+=2){g+="ff"}sPaddedMessageHex=a+g+j;return sPaddedMessageHex}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(e,c){var f=_rsasign_getHexPaddedDigestInfoForString(e,this.n.bitLength(),c);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(a,"sha1")}function _rsasign_signStringWithSHA256(a){return _rsasign_signString(a,"sha256")}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 _RSASIGN_DIHEAD){var d=_RSASIGN_DIHEAD[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=_RSASIGN_HASHHEXFUNC[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,"");if(j.length!=this.n.bitLength()/4){return 0}j=j.replace(/[ \n]+/g,"");var b=parseBigInt(j,16);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=_RSASIGN_HASHHEXFUNC[d];var c=a(f);return(h==c)}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.verifyString=_rsasign_verifyString;RSAKey.prototype.verifyHexSignatureForMessage=_rsasign_verifyHexSignatureForMessage;RSAKey.prototype.verify=_rsasign_verifyString;RSAKey.prototype.verifyHexSignatureForByteArrayMessage=_rsasign_verifyHexSignatureForMessage;
\ No newline at end of file