diff --git a/dist/jose-commonjs.js b/dist/jose-commonjs.js
index 5aeccc6..091a97b 100644
--- a/dist/jose-commonjs.js
+++ b/dist/jose-commonjs.js
@@ -1125,6 +1125,14 @@ Utils.isCryptoKey = function(rsa_key) {
   if (rsa_key.constructor.name == 'CryptoKey') {
     return true;
   }
+
+  // In the presence of minifiers, relying on class names can be problematic,
+  // so let's also allow objects that have an 'algorithm' property.
+  if (rsa_key.hasOwnProperty('algorithm')) {
+    return true;
+  }
+
+  return false;
 };
 
 /*-
diff --git a/dist/jose-testing.js b/dist/jose-testing.js
index 041fb40..8ae6446 100644
--- a/dist/jose-testing.js
+++ b/dist/jose-testing.js
@@ -1128,6 +1128,14 @@ Utils.isCryptoKey = function(rsa_key) {
   if (rsa_key.constructor.name == 'CryptoKey') {
     return true;
   }
+
+  // In the presence of minifiers, relying on class names can be problematic,
+  // so let's also allow objects that have an 'algorithm' property.
+  if (rsa_key.hasOwnProperty('algorithm')) {
+    return true;
+  }
+
+  return false;
 };
 
 /*-
diff --git a/dist/jose.js b/dist/jose.js
index cffd589..9fdaea6 100644
--- a/dist/jose.js
+++ b/dist/jose.js
@@ -1130,6 +1130,14 @@ Utils.isCryptoKey = function(rsa_key) {
   if (rsa_key.constructor.name == 'CryptoKey') {
     return true;
   }
+
+  // In the presence of minifiers, relying on class names can be problematic,
+  // so let's also allow objects that have an 'algorithm' property.
+  if (rsa_key.hasOwnProperty('algorithm')) {
+    return true;
+  }
+
+  return false;
 };
 
 /*-
diff --git a/dist/jose.min.js b/dist/jose.min.js
index c46258f..8fee0fa 100644
--- a/dist/jose.min.js
+++ b/dist/jose.min.js
@@ -1 +1 @@
-!function(a,b,c,d,e){"use strict";b.subtle||(b.subtle=b.webkitSubtle);var f={},g={},h={};a.setCrypto=function(a){f.crypto=a},a.setCrypto(b),"function"!=typeof atob&&(atob=function(a){return new Buffer(a,"base64").toString("binary")}),"function"!=typeof btoa&&(btoa=function(a){var b;return b=a instanceof Buffer?a:new Buffer(a.toString(),"binary"),b.toString("base64")}),f.caniuse=function(){var a=!0;return a=a&&"function"==typeof c,a=a&&"function"==typeof c.reject,a=a&&"function"==typeof c.prototype.then,a=a&&"function"==typeof c.all,a=a&&"object"==typeof f.crypto,a=a&&"object"==typeof f.crypto.subtle,a=a&&"function"==typeof f.crypto.getRandomValues,a=a&&"function"==typeof f.crypto.subtle.importKey,a=a&&"function"==typeof f.crypto.subtle.generateKey,a=a&&"function"==typeof f.crypto.subtle.exportKey,a=a&&"function"==typeof f.crypto.subtle.wrapKey,a=a&&"function"==typeof f.crypto.subtle.unwrapKey,a=a&&"function"==typeof f.crypto.subtle.encrypt,a=a&&"function"==typeof f.crypto.subtle.decrypt,a=a&&"function"==typeof f.crypto.subtle.sign,a=a&&"function"==typeof ArrayBuffer,a=a&&("function"==typeof e||"object"==typeof e),a=a&&("function"==typeof Uint32Array||"object"==typeof Uint32Array),a=a&&"object"==typeof JSON,a=a&&"function"==typeof JSON.parse,a=a&&"function"==typeof JSON.stringify,a=a&&"function"==typeof atob,a=a&&"function"==typeof btoa},f.assert=function(a,b){if(!a)throw new d(b)},a.Jose=f,a.JoseJWE=g,a.JoseJWS=h;var i=function(){this.setKeyEncryptionAlgorithm("RSA-OAEP"),this.setContentEncryptionAlgorithm("A256GCM"),this.setContentSignAlgorithm("RS256")};f.WebCryptographer=i,i.prototype.setKeyEncryptionAlgorithm=function(a){this.key_encryption=l(a)},i.prototype.getKeyEncryptionAlgorithm=function(){return this.key_encryption.jwe_name},i.prototype.setContentEncryptionAlgorithm=function(a){this.content_encryption=l(a)},i.prototype.getContentEncryptionAlgorithm=function(){return this.content_encryption.jwe_name},i.prototype.setContentSignAlgorithm=function(a){this.content_sign=n(a)},i.prototype.getContentSignAlgorithm=function(){return this.content_sign.jwa_name},i.prototype.createIV=function(){var a=new e(new Array(this.content_encryption.iv_bytes));return f.crypto.getRandomValues(a)},i.prototype.createCek=function(){var a=j(this.content_encryption);return f.crypto.subtle.generateKey(a.id,!0,a.enc_op)},i.prototype.wrapCek=function(a,b){return f.crypto.subtle.wrapKey("raw",a,b,this.key_encryption.id)},i.prototype.unwrapCek=function(a,b){var c=j(this.content_encryption),d=this.content_encryption.specific_cek_bytes>0,e=this.key_encryption.id;return f.crypto.subtle.unwrapKey("raw",a,b,e,c.id,d,c.dec_op)};var j=function(a){var b=a.specific_cek_bytes;if(b){if(16==b)return{id:{name:"AES-CBC",length:128},enc_op:["encrypt"],dec_op:["decrypt"]};if(32==b)return{id:{name:"AES-CBC",length:256},enc_op:["encrypt"],dec_op:["decrypt"]};if(64==b)return{id:{name:"HMAC",hash:{name:"SHA-256"}},enc_op:["sign"],dec_op:["verify"]};if(128==b)return{id:{name:"HMAC",hash:{name:"SHA-384"}},enc_op:["sign"],dec_op:["verify"]};f.assert(!1,"getCekWorkaround: invalid len")}return{id:a.id,enc_op:["encrypt"],dec_op:["decrypt"]}};i.prototype.encrypt=function(a,b,e,g){var h=this.content_encryption;if(a.length!=h.iv_bytes)return c.reject(d("invalid IV length"));if(h.auth.aead){var i=h.auth.tag_bytes,j={name:h.id.name,iv:a,additionalData:b,tagLength:8*i};return e.then(function(a){return f.crypto.subtle.encrypt(j,a,g).then(function(a){var b=a.byteLength-i;return{cipher:a.slice(0,b),tag:a.slice(b)}})})}var l=k(h,e,["encrypt"]),n=l[0],o=l[1],p=o.then(function(b){var c={name:h.id.name,iv:a};return f.crypto.subtle.encrypt(c,b,g)}),q=p.then(function(c){return m(h,n,b,a,c)});return c.all([p,q]).then(function(a){var b=a[0],c=a[1];return{cipher:b,tag:c}})},i.prototype.decrypt=function(a,b,g,h,i){var j=function(a,b,g,h){return f.assert(g instanceof e,"compare: invalid input"),f.assert(h instanceof e,"compare: invalid input"),b.then(function(b){var i=f.crypto.subtle.sign(a.auth.id,b,g),j=f.crypto.subtle.sign(a.auth.id,b,h);return c.all([i,j]).then(function(a){var b=new e(a[0]),f=new e(a[1]);if(b.length!=f.length)throw new d("compare failed");for(var g=0;g<b.length;g++)if(b[g]!=f[g])throw new d("compare failed");return c.resolve(null)})})};if(g.length!=this.content_encryption.iv_bytes)return c.reject(d("decryptCiphertext: invalid IV"));var l=this.content_encryption;if(l.auth.aead){var n={name:l.id.name,iv:g,additionalData:b,tagLength:8*l.auth.tag_bytes};return a.then(function(a){var b=q.arrayBufferConcat(h,i);return f.crypto.subtle.decrypt(n,a,b)})}var o=k(l,a,["decrypt"]),p=o[0],r=o[1],s=m(l,p,b,g,h);return c.all([r,s]).then(function(a){var b=a[0],k=a[1];return j(l,p,new e(k),i).then(function(){var a={name:l.id.name,iv:g};return f.crypto.subtle.decrypt(a,b,h)}).catch(function(a){return c.reject(d("decryptCiphertext: MAC failed."))})})},i.prototype.sign=function(a,b,c){var d=this.content_sign;return a.alg&&(d=n(a.alg)),c.then(function(c){return f.crypto.subtle.sign(d.id,c,q.arrayFromString(q.Base64Url.encode(JSON.stringify(a))+"."+q.Base64Url.encodeArray(b)))})},i.prototype.verify=function(a,b,c,d,e){var g=this.content_sign;return d.then(function(d){return g=n(o(d)),f.crypto.subtle.verify(g.id,d,c,q.arrayFromString(a+"."+b)).then(function(a){return{kid:e,verified:a}})})},f.WebCryptographer.keyId=function(a){return q.sha256(a.n+"+"+a.d)};var k=function(a,b,e){var g=b.then(function(a){return f.crypto.subtle.exportKey("raw",a)}),h=g.then(function(b){if(8*b.byteLength!=a.id.length+8*a.auth.key_bytes)return c.reject(d("encryptPlainText: incorrect cek length"));var e=b.slice(0,a.auth.key_bytes);return f.crypto.subtle.importKey("raw",e,a.auth.id,!1,["sign"])}),i=g.then(function(b){if(8*b.byteLength!=a.id.length+8*a.auth.key_bytes)return c.reject(d("encryptPlainText: incorrect cek length"));var g=b.slice(a.auth.key_bytes);return f.crypto.subtle.importKey("raw",g,a.id,!1,e)});return[h,i]},l=function(a){switch(a){case"RSA-OAEP":return{jwe_name:"RSA-OAEP",id:{name:"RSA-OAEP",hash:{name:"SHA-1"}}};case"RSA-OAEP-256":return{jwe_name:"RSA-OAEP-256",id:{name:"RSA-OAEP",hash:{name:"SHA-256"}}};case"A128KW":return{jwe_name:"A128KW",id:{name:"AES-KW",length:128}};case"A256KW":return{jwe_name:"A256KW",id:{name:"AES-KW",length:256}};case"dir":return{jwe_name:"dir"};case"A128CBC-HS256":return{jwe_name:"A128CBC-HS256",id:{name:"AES-CBC",length:128},iv_bytes:16,specific_cek_bytes:32,auth:{key_bytes:16,id:{name:"HMAC",hash:{name:"SHA-256"}},truncated_bytes:16}};case"A256CBC-HS512":return{jwe_name:"A256CBC-HS512",id:{name:"AES-CBC",length:256},iv_bytes:16,specific_cek_bytes:64,auth:{key_bytes:32,id:{name:"HMAC",hash:{name:"SHA-512"}},truncated_bytes:32}};case"A128GCM":return{jwe_name:"A128GCM",id:{name:"AES-GCM",length:128},iv_bytes:12,auth:{aead:!0,tag_bytes:16}};case"A256GCM":return{jwe_name:"A256GCM",id:{name:"AES-GCM",length:256},iv_bytes:12,auth:{aead:!0,tag_bytes:16}};default:throw d("unsupported algorithm: "+a)}},m=function(a,b,c,d,g){return b.then(function(b){var h=new e(q.arrayFromInt32(8*c.length)),i=new e(8);i.set(h,4);var j=q.arrayBufferConcat(c,d,g,i);return f.crypto.subtle.sign(a.auth.id,b,j).then(function(b){return b.slice(0,a.auth.truncated_bytes)})})},n=function(a){switch(a){case"RS256":return{jwa_name:"RS256",id:{name:"RSASSA-PKCS1-v1_5",hash:{name:"SHA-256"}}};case"RS384":return{jwa_name:"RS384",id:{name:"RSASSA-PKCS1-v1_5",hash:{name:"SHA-384"}}};case"RS512":return{jwa_name:"RS512",id:{name:"RSASSA-PKCS1-v1_5",hash:{name:"SHA-512"}}};case"PS256":return{jwa_name:"PS256",id:{name:"RSA-PSS",hash:{name:"SHA-256"},saltLength:20}};case"PS384":return{jwa_name:"PS384",id:{name:"RSA-PSS",hash:{name:"SHA-384"},saltLength:20}};case"PS512":return{jwa_name:"PS512",id:{name:"RSA-PSS",hash:{name:"SHA-512"},saltLength:20}};case"HS256":return{jwa_name:"HS256",id:{name:"HMAC",hash:{name:"SHA-256"}}};case"HS384":return{jwa_name:"HS384",id:{name:"HMAC",hash:{name:"SHA-384"}}};case"HS512":return{jwa_name:"HS512",id:{name:"HMAC",hash:{name:"SHA-512"}}};case"ES256":return{jwa_name:"ES256",id:{name:"ECDSA",hash:{name:"SHA-256"}}};case"ES384":return{jwa_name:"ES384",id:{name:"ECDSA",hash:{name:"SHA-384"}}};case"ES512":return{jwa_name:"ES512",id:{name:"ECDSA",hash:{name:"SHA-512"}}};default:throw d("unsupported algorithm: "+a)}},o=function(a){var b="",c=a.algorithm.name,e=a.algorithm.hash.name;if("RSASSA-PKCS1-v1_5"==c)b="R";else{if("RSA-PSS"!=c)throw new d("unsupported sign/verify algorithm "+c);b="P"}if(0!==e.indexOf("SHA-"))throw new d("unsupported hash algorithm "+c);return b+="S",b+=e.substring(4)},p=function(a){switch(a){case"RS256":case"RS384":case"RS512":case"PS256":case"PS384":case"PS512":case"HS256":case"HS384":case"HS512":case"ES256":case"ES384":case"ES512":return{publicKey:"verify",privateKey:"sign"};case"RSA-OAEP":case"RSA-OAEP-256":case"A128KW":case"A256KW":return{publicKey:"wrapKey",privateKey:"unwrapKey"};default:throw d("unsupported algorithm: "+a)}};f.Utils={};var q={};f.Utils.importRsaPublicKey=function(a,b){var c,d,e=p(b);if("wrapKey"==e.publicKey)a.alg||(a.alg=b),c=q.convertRsaKey(a,["n","e"]),d=l(b);else{var g={};for(var h in a)a.hasOwnProperty(h)&&(g[h]=a[h]);!g.alg&&b&&(g.alg=b),d=n(g.alg),c=q.convertRsaKey(g,["n","e"]),c.ext=!0}return f.crypto.subtle.importKey("jwk",c,d.id,!1,[e.publicKey])},f.Utils.importRsaPrivateKey=function(a,b){var c,d,e=p(b);if("unwrapKey"==e.privateKey)a.alg||(a.alg=b),c=q.convertRsaKey(a,["n","e","d","p","q","dp","dq","qi"]),d=l("RSA-OAEP");else{var g={};for(var h in a)a.hasOwnProperty(h)&&(g[h]=a[h]);d=n(b),!g.alg&&b&&(g.alg=b),c=q.convertRsaKey(g,["n","e","d","p","q","dp","dq","qi"]),c.ext=!0}return f.crypto.subtle.importKey("jwk",c,d.id,!1,[e.privateKey])},q.isString=function(a){return"string"==typeof a||a instanceof String},q.arrayish=function(a){return a instanceof Array?a:a instanceof e?a:a instanceof ArrayBuffer?new e(a):void f.assert(!1,"arrayish: invalid input")},q.convertRsaKey=function(a,b){var c,d={},e=[];b.map(function(b){"undefined"==typeof a[b]&&e.push(b)}),e.length>0&&f.assert(!1,"convertRsaKey: Was expecting "+e.join()),"undefined"!=typeof a.kty&&f.assert("RSA"==a.kty,"convertRsaKey: expecting rsa_key['kty'] to be 'RSA'"),d.kty="RSA";try{n(a.alg),c=a.alg}catch(b){try{l(a.alg),c=a.alg}catch(a){f.assert(c,"convertRsaKey: expecting rsa_key['alg'] to have a valid value")}}d.alg=c;for(var g=function(a){return parseInt(a,16)},h=0;h<b.length;h++){var i=b[h],j=a[i];if("e"==i)"number"==typeof j&&(j=q.Base64Url.encodeArray(q.stripLeadingZeros(q.arrayFromInt32(j))));else if(/^([0-9a-fA-F]{2}:)+[0-9a-fA-F]{2}$/.test(j)){var k=j.split(":").map(g);j=q.Base64Url.encodeArray(q.stripLeadingZeros(k))}else"string"!=typeof j&&f.assert(!1,"convertRsaKey: expecting rsa_key['"+i+"'] to be a string");d[i]=j}return d},q.arrayFromString=function(a){f.assert(q.isString(a),"arrayFromString: invalid input");var b=a.split("").map(function(a){return a.charCodeAt(0)});return new e(b)},q.arrayFromUtf8String=function(a){return f.assert(q.isString(a),"arrayFromUtf8String: invalid input"),a=unescape(encodeURIComponent(a)),q.arrayFromString(a)},q.stringFromArray=function(a){a=q.arrayish(a);for(var b="",c=0;c<a.length;c++)b+=String.fromCharCode(a[c]);return b},q.utf8StringFromArray=function(a){f.assert(a instanceof ArrayBuffer,"utf8StringFromArray: invalid input");var b=q.stringFromArray(a);return decodeURIComponent(escape(b))},q.stripLeadingZeros=function(a){a instanceof ArrayBuffer&&(a=new e(a));for(var b=!0,c=[],d=0;d<a.length;d++)b&&0===a[d]||(b=!1,c.push(a[d]));return c},q.arrayFromInt32=function(a){f.assert("number"==typeof a,"arrayFromInt32: invalid input"),f.assert(a==a|0,"arrayFromInt32: out of range");for(var b=new e(new Uint32Array([a]).buffer),c=new e(4),d=0;d<4;d++)c[d]=b[3-d];return c.buffer},q.arrayBufferConcat=function(){for(var a=[],b=0,c=0;c<arguments.length;c++)a.push(q.arrayish(arguments[c])),b+=a[c].length;var d=new e(b),g=0;for(c=0;c<arguments.length;c++)for(var h=0;h<a[c].length;h++)d[g++]=a[c][h];return f.assert(g==b,"arrayBufferConcat: unexpected offset"),d},q.Base64Url={},q.Base64Url.encode=function(a){return f.assert(q.isString(a),"Base64Url.encode: invalid input"),btoa(a).replace(/\+/g,"-").replace(/\//g,"_").replace(/=+$/,"")},q.Base64Url.encodeArray=function(a){return q.Base64Url.encode(q.stringFromArray(a))},q.Base64Url.decode=function(a){return f.assert(q.isString(a),"Base64Url.decode: invalid input"),atob(a.replace(/-/g,"+").replace(/_/g,"/"))},q.Base64Url.decodeArray=function(a){return f.assert(q.isString(a),"Base64Url.decodeArray: invalid input"),q.arrayFromString(q.Base64Url.decode(a))},q.sha256=function(a){return f.crypto.subtle.digest({name:"SHA-256"},q.arrayFromString(a)).then(function(a){return q.Base64Url.encodeArray(a)})},q.isCryptoKey=function(a){if("CryptoKey"==a.constructor.name)return!0},g.Encrypter=function(a,b){this.cryptographer=a,this.key_promise=b,this.userHeaders={}},g.Encrypter.prototype.addHeader=function(a,b){this.userHeaders[a]=b},g.Encrypter.prototype.encrypt=function(a){var b,d,e=function(a,b){var c={};for(var d in this.userHeaders)c[d]=this.userHeaders[d];c.alg=this.cryptographer.getKeyEncryptionAlgorithm(),c.enc=this.cryptographer.getContentEncryptionAlgorithm();var e=q.Base64Url.encode(JSON.stringify(c)),f=this.cryptographer.createIV(),g=q.arrayFromString(e);return b=q.arrayFromUtf8String(b),this.cryptographer.encrypt(f,g,a,b).then(function(a){return a.header=e,a.iv=f,a})};"dir"==this.cryptographer.getKeyEncryptionAlgorithm()?(b=c.resolve(this.key_promise),d=[]):(b=this.cryptographer.createCek(),d=c.all([this.key_promise,b]).then(function(a){var b=a[0],c=a[1];return this.cryptographer.wrapCek(c,b)}.bind(this)));var f=e.bind(this,b,a)();return c.all([d,f]).then(function(a){var b=a[0],c=a[1];return c.header+"."+q.Base64Url.encodeArray(b)+"."+q.Base64Url.encodeArray(c.iv)+"."+q.Base64Url.encodeArray(c.cipher)+"."+q.Base64Url.encodeArray(c.tag)})},g.Decrypter=function(a,b){this.cryptographer=a,this.key_promise=b,this.headers={}},g.Decrypter.prototype.getHeaders=function(){return this.headers},g.Decrypter.prototype.decrypt=function(a){var b=a.split(".");if(5!=b.length)return c.reject(d("decrypt: invalid input"));if(this.headers=JSON.parse(q.Base64Url.decode(b[0])),!this.headers.alg)return c.reject(d("decrypt: missing alg"));if(!this.headers.enc)return c.reject(d("decrypt: missing enc"));if(this.cryptographer.setKeyEncryptionAlgorithm(this.headers.alg),this.cryptographer.setContentEncryptionAlgorithm(this.headers.enc),this.headers.crit)return c.reject(d("decrypt: crit is not supported"));var e;if("dir"==this.headers.alg)e=c.resolve(this.key_promise);else{var f=q.Base64Url.decodeArray(b[1]);e=this.key_promise.then(function(a){return this.cryptographer.unwrapCek(f,a)}.bind(this))}var g=this.cryptographer.decrypt(e,q.arrayFromString(b[0]),q.Base64Url.decodeArray(b[2]),q.Base64Url.decodeArray(b[3]),q.Base64Url.decodeArray(b[4]));return g.then(q.utf8StringFromArray)},h.Signer=function(a){this.cryptographer=a,this.key_promises={},this.waiting_kid=0,this.headers={},this.signer_aads={},this.signer_headers={}},h.Signer.prototype.addSigner=function(a,b,e,g){var h,i=this;if(q.isCryptoKey(a))h=new c(function(b){b(a)});else{var j;j=e&&e.alg?e.alg:i.cryptographer.getContentSignAlgorithm(),h=f.Utils.importRsaPrivateKey(a,j,"sign")}var k;if(b)k=new c(function(a){a(b)});else{if(q.isCryptoKey(a))throw new d("key_id is a mandatory argument when the key is a CryptoKey");k=f.WebCryptographer.keyId(a)}return i.waiting_kid++,k.then(function(a){return i.key_promises[a]=h,i.waiting_kid--,e&&(i.signer_aads[a]=e),g&&(i.signer_headers[a]=g),a})},h.Signer.prototype.addSignature=function(a,b,c){if(q.isString(a)&&(a=JSON.parse(a)),a.payload&&q.isString(a.payload)&&a.protected&&q.isString(a.protected)&&a.header&&a.header instanceof Object&&a.signature&&q.isString(a.signature))return this.sign(r.fromObject(a),b,c);throw new d("JWS is not a valid JWS object")},h.Signer.prototype.sign=function(a,b,c){function e(a,b,c,e,f){var h;if(b||(b={}),b.alg||(b.alg=g.cryptographer.getContentSignAlgorithm(),b.typ="JWT"),b.kid||(b.kid=f),q.isString(a))h=q.arrayFromUtf8String(a);else try{h=q.arrayish(a)}catch(b){if(a instanceof r)h=q.arrayFromString(q.Base64Url.decode(a.payload));else{if(!(a instanceof Object))throw new d("cannot sign this message");h=q.arrayFromString(JSON.stringify(a))}}return g.cryptographer.sign(b,h,e).then(function(d){var e=new r(b,c,h,d);return a instanceof r?(delete e.payload,a.signatures?a.signatures.push(e):a.signatures=[e],a):e})}function f(a,b,c,d,h){if(h.length){var i=h.shift(),j=e(a,g.signer_aads[i]||b,g.signer_headers[i]||c,d[i],i);return h.length&&(j=j.then(function(a){return f(a,null,null,d,h)})),j}}var g=this,h=[];if(0===Object.keys(g.key_promises).length)throw new d("No signers defined. At least one is required to sign the JWS.");if(g.waiting_kid)throw new d("still generating key IDs");for(var i in g.key_promises)g.key_promises.hasOwnProperty(i)&&h.push(i);return f(a,b,c,g.key_promises,h)};var r=function(a,b,c,d){this.header=b,this.payload=q.Base64Url.encodeArray(c),d&&(this.signature=q.Base64Url.encodeArray(d)),this.protected=q.Base64Url.encode(JSON.stringify(a))};r.fromObject=function(a){var b=new r(a.protected,a.header,a.payload,null);return b.signature=a.signature,b.signatures=a.signatures,b},r.prototype.JsonSerialize=function(){return JSON.stringify(this)},r.prototype.CompactSerialize=function(){return this.protected+"."+this.payload+"."+this.signature},h.Verifier=function(a,b,c){var e,g,h,i,j,k,l,m=this,n=/^([0-9a-z_\-]+)\.([0-9a-z_\-]+)\.([0-9a-z_\-]+)$/i;if(m.cryptographer=a,e=a.getContentSignAlgorithm(),m.cryptographer=new f.WebCryptographer,q.isString(b))if(g=n.exec(b)){if(4!=g.length)throw new d("wrong JWS compact serialization format");b={protected:g[1],payload:g[2],signature:g[3]}}else b=JSON.parse(b);else if("object"!=typeof b)throw new d("data format not supported");h=b.protected,i=b.header,j=b.payload,k=b.signatures instanceof Array?b.signatures.slice(0):[],k.forEach(function(a){a.aad=a.protected,a.protected=JSON.parse(q.Base64Url.decode(a.protected))}),m.aad=h,l=q.Base64Url.decode(h);try{l=JSON.parse(l)}catch(a){}if(!l&&!i)throw new d("at least one header is required");if(!l.alg)throw new d("'alg' is a mandatory header");if(l.alg!=e)throw new d("the alg header '"+l.alg+"' doesn't match the requested algorithm '"+e+"'");if(l&&l.typ&&"JWT"!=l.typ)throw new d("typ '"+l.typ+"' not supported");b.signature&&k.unshift({aad:h,protected:l,header:i,signature:b.signature}),m.signatures=[];for(var o=0;o<k.length;o++)m.signatures[o]=JSON.parse(JSON.stringify(k[o])),m.signatures[o].signature=q.arrayFromString(q.Base64Url.decode(k[o].signature));m.payload=j,m.key_promises={},m.waiting_kid=0,c&&(m.keyfinder=c)},h.Verifier.prototype.addRecipient=function(a,b,e){var g,h=this,i=q.isCryptoKey(a)?new c(function(b){b(a)}):f.Utils.importRsaPublicKey(a,e||h.cryptographer.getContentSignAlgorithm(),"verify");if(b)g=new c(function(a){a(b)});else{if(q.isCryptoKey(a))throw new d("key_id is a mandatory argument when the key is a CryptoKey");console.log("it's not safe to not pass a key_id"),g=f.WebCryptographer.keyId(a)}return h.waiting_kid++,g.then(function(a){return h.key_promises[a]=i,h.waiting_kid--,a})},h.Verifier.prototype.verify=function(){var a=this,b=a.signatures,e=a.key_promises,f=a.keyfinder,g=[],h=!!f||Object.keys(a.key_promises).length>0;if(!h)throw new d("No recipients defined. At least one is required to verify the JWS.");if(a.waiting_kid)throw new d("still generating key IDs");return b.forEach(function(b){var c=b.protected.kid;f&&(e[c]=f(c)),g.push(a.cryptographer.verify(b.aad,a.payload,b.signature,e[c],c).then(function(b){return b.verified&&(b.payload=q.Base64Url.decode(a.payload)),b}))}),c.all(g)}}(window,window.crypto,window.Promise,window.Error,window.Uint8Array);
\ No newline at end of file
+!function(a,b,c,d,e){"use strict";b.subtle||(b.subtle=b.webkitSubtle);var f={},g={},h={};a.setCrypto=function(a){f.crypto=a},a.setCrypto(b),"function"!=typeof atob&&(atob=function(a){return new Buffer(a,"base64").toString("binary")}),"function"!=typeof btoa&&(btoa=function(a){var b;return b=a instanceof Buffer?a:new Buffer(a.toString(),"binary"),b.toString("base64")}),f.caniuse=function(){var a=!0;return a=a&&"function"==typeof c,a=a&&"function"==typeof c.reject,a=a&&"function"==typeof c.prototype.then,a=a&&"function"==typeof c.all,a=a&&"object"==typeof f.crypto,a=a&&"object"==typeof f.crypto.subtle,a=a&&"function"==typeof f.crypto.getRandomValues,a=a&&"function"==typeof f.crypto.subtle.importKey,a=a&&"function"==typeof f.crypto.subtle.generateKey,a=a&&"function"==typeof f.crypto.subtle.exportKey,a=a&&"function"==typeof f.crypto.subtle.wrapKey,a=a&&"function"==typeof f.crypto.subtle.unwrapKey,a=a&&"function"==typeof f.crypto.subtle.encrypt,a=a&&"function"==typeof f.crypto.subtle.decrypt,a=a&&"function"==typeof f.crypto.subtle.sign,a=a&&"function"==typeof ArrayBuffer,a=a&&("function"==typeof e||"object"==typeof e),a=a&&("function"==typeof Uint32Array||"object"==typeof Uint32Array),a=a&&"object"==typeof JSON,a=a&&"function"==typeof JSON.parse,a=a&&"function"==typeof JSON.stringify,a=a&&"function"==typeof atob,a=a&&"function"==typeof btoa},f.assert=function(a,b){if(!a)throw new d(b)},a.Jose=f,a.JoseJWE=g,a.JoseJWS=h;var i=function(){this.setKeyEncryptionAlgorithm("RSA-OAEP"),this.setContentEncryptionAlgorithm("A256GCM"),this.setContentSignAlgorithm("RS256")};f.WebCryptographer=i,i.prototype.setKeyEncryptionAlgorithm=function(a){this.key_encryption=l(a)},i.prototype.getKeyEncryptionAlgorithm=function(){return this.key_encryption.jwe_name},i.prototype.setContentEncryptionAlgorithm=function(a){this.content_encryption=l(a)},i.prototype.getContentEncryptionAlgorithm=function(){return this.content_encryption.jwe_name},i.prototype.setContentSignAlgorithm=function(a){this.content_sign=n(a)},i.prototype.getContentSignAlgorithm=function(){return this.content_sign.jwa_name},i.prototype.createIV=function(){var a=new e(new Array(this.content_encryption.iv_bytes));return f.crypto.getRandomValues(a)},i.prototype.createCek=function(){var a=j(this.content_encryption);return f.crypto.subtle.generateKey(a.id,!0,a.enc_op)},i.prototype.wrapCek=function(a,b){return f.crypto.subtle.wrapKey("raw",a,b,this.key_encryption.id)},i.prototype.unwrapCek=function(a,b){var c=j(this.content_encryption),d=this.content_encryption.specific_cek_bytes>0,e=this.key_encryption.id;return f.crypto.subtle.unwrapKey("raw",a,b,e,c.id,d,c.dec_op)};var j=function(a){var b=a.specific_cek_bytes;if(b){if(16==b)return{id:{name:"AES-CBC",length:128},enc_op:["encrypt"],dec_op:["decrypt"]};if(32==b)return{id:{name:"AES-CBC",length:256},enc_op:["encrypt"],dec_op:["decrypt"]};if(64==b)return{id:{name:"HMAC",hash:{name:"SHA-256"}},enc_op:["sign"],dec_op:["verify"]};if(128==b)return{id:{name:"HMAC",hash:{name:"SHA-384"}},enc_op:["sign"],dec_op:["verify"]};f.assert(!1,"getCekWorkaround: invalid len")}return{id:a.id,enc_op:["encrypt"],dec_op:["decrypt"]}};i.prototype.encrypt=function(a,b,e,g){var h=this.content_encryption;if(a.length!=h.iv_bytes)return c.reject(d("invalid IV length"));if(h.auth.aead){var i=h.auth.tag_bytes,j={name:h.id.name,iv:a,additionalData:b,tagLength:8*i};return e.then(function(a){return f.crypto.subtle.encrypt(j,a,g).then(function(a){var b=a.byteLength-i;return{cipher:a.slice(0,b),tag:a.slice(b)}})})}var l=k(h,e,["encrypt"]),n=l[0],o=l[1],p=o.then(function(b){var c={name:h.id.name,iv:a};return f.crypto.subtle.encrypt(c,b,g)}),q=p.then(function(c){return m(h,n,b,a,c)});return c.all([p,q]).then(function(a){var b=a[0],c=a[1];return{cipher:b,tag:c}})},i.prototype.decrypt=function(a,b,g,h,i){var j=function(a,b,g,h){return f.assert(g instanceof e,"compare: invalid input"),f.assert(h instanceof e,"compare: invalid input"),b.then(function(b){var i=f.crypto.subtle.sign(a.auth.id,b,g),j=f.crypto.subtle.sign(a.auth.id,b,h);return c.all([i,j]).then(function(a){var b=new e(a[0]),f=new e(a[1]);if(b.length!=f.length)throw new d("compare failed");for(var g=0;g<b.length;g++)if(b[g]!=f[g])throw new d("compare failed");return c.resolve(null)})})};if(g.length!=this.content_encryption.iv_bytes)return c.reject(d("decryptCiphertext: invalid IV"));var l=this.content_encryption;if(l.auth.aead){var n={name:l.id.name,iv:g,additionalData:b,tagLength:8*l.auth.tag_bytes};return a.then(function(a){var b=q.arrayBufferConcat(h,i);return f.crypto.subtle.decrypt(n,a,b)})}var o=k(l,a,["decrypt"]),p=o[0],r=o[1],s=m(l,p,b,g,h);return c.all([r,s]).then(function(a){var b=a[0],k=a[1];return j(l,p,new e(k),i).then(function(){var a={name:l.id.name,iv:g};return f.crypto.subtle.decrypt(a,b,h)}).catch(function(a){return c.reject(d("decryptCiphertext: MAC failed."))})})},i.prototype.sign=function(a,b,c){var d=this.content_sign;return a.alg&&(d=n(a.alg)),c.then(function(c){return f.crypto.subtle.sign(d.id,c,q.arrayFromString(q.Base64Url.encode(JSON.stringify(a))+"."+q.Base64Url.encodeArray(b)))})},i.prototype.verify=function(a,b,c,d,e){var g=this.content_sign;return d.then(function(d){return g=n(o(d)),f.crypto.subtle.verify(g.id,d,c,q.arrayFromString(a+"."+b)).then(function(a){return{kid:e,verified:a}})})},f.WebCryptographer.keyId=function(a){return q.sha256(a.n+"+"+a.d)};var k=function(a,b,e){var g=b.then(function(a){return f.crypto.subtle.exportKey("raw",a)}),h=g.then(function(b){if(8*b.byteLength!=a.id.length+8*a.auth.key_bytes)return c.reject(d("encryptPlainText: incorrect cek length"));var e=b.slice(0,a.auth.key_bytes);return f.crypto.subtle.importKey("raw",e,a.auth.id,!1,["sign"])}),i=g.then(function(b){if(8*b.byteLength!=a.id.length+8*a.auth.key_bytes)return c.reject(d("encryptPlainText: incorrect cek length"));var g=b.slice(a.auth.key_bytes);return f.crypto.subtle.importKey("raw",g,a.id,!1,e)});return[h,i]},l=function(a){switch(a){case"RSA-OAEP":return{jwe_name:"RSA-OAEP",id:{name:"RSA-OAEP",hash:{name:"SHA-1"}}};case"RSA-OAEP-256":return{jwe_name:"RSA-OAEP-256",id:{name:"RSA-OAEP",hash:{name:"SHA-256"}}};case"A128KW":return{jwe_name:"A128KW",id:{name:"AES-KW",length:128}};case"A256KW":return{jwe_name:"A256KW",id:{name:"AES-KW",length:256}};case"dir":return{jwe_name:"dir"};case"A128CBC-HS256":return{jwe_name:"A128CBC-HS256",id:{name:"AES-CBC",length:128},iv_bytes:16,specific_cek_bytes:32,auth:{key_bytes:16,id:{name:"HMAC",hash:{name:"SHA-256"}},truncated_bytes:16}};case"A256CBC-HS512":return{jwe_name:"A256CBC-HS512",id:{name:"AES-CBC",length:256},iv_bytes:16,specific_cek_bytes:64,auth:{key_bytes:32,id:{name:"HMAC",hash:{name:"SHA-512"}},truncated_bytes:32}};case"A128GCM":return{jwe_name:"A128GCM",id:{name:"AES-GCM",length:128},iv_bytes:12,auth:{aead:!0,tag_bytes:16}};case"A256GCM":return{jwe_name:"A256GCM",id:{name:"AES-GCM",length:256},iv_bytes:12,auth:{aead:!0,tag_bytes:16}};default:throw d("unsupported algorithm: "+a)}},m=function(a,b,c,d,g){return b.then(function(b){var h=new e(q.arrayFromInt32(8*c.length)),i=new e(8);i.set(h,4);var j=q.arrayBufferConcat(c,d,g,i);return f.crypto.subtle.sign(a.auth.id,b,j).then(function(b){return b.slice(0,a.auth.truncated_bytes)})})},n=function(a){switch(a){case"RS256":return{jwa_name:"RS256",id:{name:"RSASSA-PKCS1-v1_5",hash:{name:"SHA-256"}}};case"RS384":return{jwa_name:"RS384",id:{name:"RSASSA-PKCS1-v1_5",hash:{name:"SHA-384"}}};case"RS512":return{jwa_name:"RS512",id:{name:"RSASSA-PKCS1-v1_5",hash:{name:"SHA-512"}}};case"PS256":return{jwa_name:"PS256",id:{name:"RSA-PSS",hash:{name:"SHA-256"},saltLength:20}};case"PS384":return{jwa_name:"PS384",id:{name:"RSA-PSS",hash:{name:"SHA-384"},saltLength:20}};case"PS512":return{jwa_name:"PS512",id:{name:"RSA-PSS",hash:{name:"SHA-512"},saltLength:20}};case"HS256":return{jwa_name:"HS256",id:{name:"HMAC",hash:{name:"SHA-256"}}};case"HS384":return{jwa_name:"HS384",id:{name:"HMAC",hash:{name:"SHA-384"}}};case"HS512":return{jwa_name:"HS512",id:{name:"HMAC",hash:{name:"SHA-512"}}};case"ES256":return{jwa_name:"ES256",id:{name:"ECDSA",hash:{name:"SHA-256"}}};case"ES384":return{jwa_name:"ES384",id:{name:"ECDSA",hash:{name:"SHA-384"}}};case"ES512":return{jwa_name:"ES512",id:{name:"ECDSA",hash:{name:"SHA-512"}}};default:throw d("unsupported algorithm: "+a)}},o=function(a){var b="",c=a.algorithm.name,e=a.algorithm.hash.name;if("RSASSA-PKCS1-v1_5"==c)b="R";else{if("RSA-PSS"!=c)throw new d("unsupported sign/verify algorithm "+c);b="P"}if(0!==e.indexOf("SHA-"))throw new d("unsupported hash algorithm "+c);return b+="S",b+=e.substring(4)},p=function(a){switch(a){case"RS256":case"RS384":case"RS512":case"PS256":case"PS384":case"PS512":case"HS256":case"HS384":case"HS512":case"ES256":case"ES384":case"ES512":return{publicKey:"verify",privateKey:"sign"};case"RSA-OAEP":case"RSA-OAEP-256":case"A128KW":case"A256KW":return{publicKey:"wrapKey",privateKey:"unwrapKey"};default:throw d("unsupported algorithm: "+a)}};f.Utils={};var q={};f.Utils.importRsaPublicKey=function(a,b){var c,d,e=p(b);if("wrapKey"==e.publicKey)a.alg||(a.alg=b),c=q.convertRsaKey(a,["n","e"]),d=l(b);else{var g={};for(var h in a)a.hasOwnProperty(h)&&(g[h]=a[h]);!g.alg&&b&&(g.alg=b),d=n(g.alg),c=q.convertRsaKey(g,["n","e"]),c.ext=!0}return f.crypto.subtle.importKey("jwk",c,d.id,!1,[e.publicKey])},f.Utils.importRsaPrivateKey=function(a,b){var c,d,e=p(b);if("unwrapKey"==e.privateKey)a.alg||(a.alg=b),c=q.convertRsaKey(a,["n","e","d","p","q","dp","dq","qi"]),d=l("RSA-OAEP");else{var g={};for(var h in a)a.hasOwnProperty(h)&&(g[h]=a[h]);d=n(b),!g.alg&&b&&(g.alg=b),c=q.convertRsaKey(g,["n","e","d","p","q","dp","dq","qi"]),c.ext=!0}return f.crypto.subtle.importKey("jwk",c,d.id,!1,[e.privateKey])},q.isString=function(a){return"string"==typeof a||a instanceof String},q.arrayish=function(a){return a instanceof Array?a:a instanceof e?a:a instanceof ArrayBuffer?new e(a):void f.assert(!1,"arrayish: invalid input")},q.convertRsaKey=function(a,b){var c,d={},e=[];b.map(function(b){"undefined"==typeof a[b]&&e.push(b)}),e.length>0&&f.assert(!1,"convertRsaKey: Was expecting "+e.join()),"undefined"!=typeof a.kty&&f.assert("RSA"==a.kty,"convertRsaKey: expecting rsa_key['kty'] to be 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b="",c=0;c<a.length;c++)b+=String.fromCharCode(a[c]);return b},q.utf8StringFromArray=function(a){f.assert(a instanceof ArrayBuffer,"utf8StringFromArray: invalid input");var b=q.stringFromArray(a);return decodeURIComponent(escape(b))},q.stripLeadingZeros=function(a){a instanceof ArrayBuffer&&(a=new e(a));for(var b=!0,c=[],d=0;d<a.length;d++)b&&0===a[d]||(b=!1,c.push(a[d]));return c},q.arrayFromInt32=function(a){f.assert("number"==typeof a,"arrayFromInt32: invalid input"),f.assert(a==a|0,"arrayFromInt32: out of range");for(var b=new e(new Uint32Array([a]).buffer),c=new e(4),d=0;d<4;d++)c[d]=b[3-d];return c.buffer},q.arrayBufferConcat=function(){for(var a=[],b=0,c=0;c<arguments.length;c++)a.push(q.arrayish(arguments[c])),b+=a[c].length;var d=new e(b),g=0;for(c=0;c<arguments.length;c++)for(var h=0;h<a[c].length;h++)d[g++]=a[c][h];return f.assert(g==b,"arrayBufferConcat: unexpected offset"),d},q.Base64Url={},q.Base64Url.encode=function(a){return f.assert(q.isString(a),"Base64Url.encode: invalid input"),btoa(a).replace(/\+/g,"-").replace(/\//g,"_").replace(/=+$/,"")},q.Base64Url.encodeArray=function(a){return q.Base64Url.encode(q.stringFromArray(a))},q.Base64Url.decode=function(a){return f.assert(q.isString(a),"Base64Url.decode: invalid input"),atob(a.replace(/-/g,"+").replace(/_/g,"/"))},q.Base64Url.decodeArray=function(a){return f.assert(q.isString(a),"Base64Url.decodeArray: invalid input"),q.arrayFromString(q.Base64Url.decode(a))},q.sha256=function(a){return f.crypto.subtle.digest({name:"SHA-256"},q.arrayFromString(a)).then(function(a){return q.Base64Url.encodeArray(a)})},q.isCryptoKey=function(a){return"CryptoKey"==a.constructor.name||!!a.hasOwnProperty("algorithm")},g.Encrypter=function(a,b){this.cryptographer=a,this.key_promise=b,this.userHeaders={}},g.Encrypter.prototype.addHeader=function(a,b){this.userHeaders[a]=b},g.Encrypter.prototype.encrypt=function(a){var b,d,e=function(a,b){var c={};for(var d in this.userHeaders)c[d]=this.userHeaders[d];c.alg=this.cryptographer.getKeyEncryptionAlgorithm(),c.enc=this.cryptographer.getContentEncryptionAlgorithm();var e=q.Base64Url.encode(JSON.stringify(c)),f=this.cryptographer.createIV(),g=q.arrayFromString(e);return b=q.arrayFromUtf8String(b),this.cryptographer.encrypt(f,g,a,b).then(function(a){return a.header=e,a.iv=f,a})};"dir"==this.cryptographer.getKeyEncryptionAlgorithm()?(b=c.resolve(this.key_promise),d=[]):(b=this.cryptographer.createCek(),d=c.all([this.key_promise,b]).then(function(a){var b=a[0],c=a[1];return this.cryptographer.wrapCek(c,b)}.bind(this)));var f=e.bind(this,b,a)();return c.all([d,f]).then(function(a){var b=a[0],c=a[1];return c.header+"."+q.Base64Url.encodeArray(b)+"."+q.Base64Url.encodeArray(c.iv)+"."+q.Base64Url.encodeArray(c.cipher)+"."+q.Base64Url.encodeArray(c.tag)})},g.Decrypter=function(a,b){this.cryptographer=a,this.key_promise=b,this.headers={}},g.Decrypter.prototype.getHeaders=function(){return this.headers},g.Decrypter.prototype.decrypt=function(a){var b=a.split(".");if(5!=b.length)return c.reject(d("decrypt: invalid input"));if(this.headers=JSON.parse(q.Base64Url.decode(b[0])),!this.headers.alg)return c.reject(d("decrypt: missing alg"));if(!this.headers.enc)return c.reject(d("decrypt: missing enc"));if(this.cryptographer.setKeyEncryptionAlgorithm(this.headers.alg),this.cryptographer.setContentEncryptionAlgorithm(this.headers.enc),this.headers.crit)return c.reject(d("decrypt: crit is not supported"));var e;if("dir"==this.headers.alg)e=c.resolve(this.key_promise);else{var f=q.Base64Url.decodeArray(b[1]);e=this.key_promise.then(function(a){return this.cryptographer.unwrapCek(f,a)}.bind(this))}var g=this.cryptographer.decrypt(e,q.arrayFromString(b[0]),q.Base64Url.decodeArray(b[2]),q.Base64Url.decodeArray(b[3]),q.Base64Url.decodeArray(b[4]));return g.then(q.utf8StringFromArray)},h.Signer=function(a){this.cryptographer=a,this.key_promises={},this.waiting_kid=0,this.headers={},this.signer_aads={},this.signer_headers={}},h.Signer.prototype.addSigner=function(a,b,e,g){var h,i=this;if(q.isCryptoKey(a))h=new c(function(b){b(a)});else{var j;j=e&&e.alg?e.alg:i.cryptographer.getContentSignAlgorithm(),h=f.Utils.importRsaPrivateKey(a,j,"sign")}var k;if(b)k=new c(function(a){a(b)});else{if(q.isCryptoKey(a))throw new d("key_id is a mandatory argument when the key is a CryptoKey");k=f.WebCryptographer.keyId(a)}return i.waiting_kid++,k.then(function(a){return i.key_promises[a]=h,i.waiting_kid--,e&&(i.signer_aads[a]=e),g&&(i.signer_headers[a]=g),a})},h.Signer.prototype.addSignature=function(a,b,c){if(q.isString(a)&&(a=JSON.parse(a)),a.payload&&q.isString(a.payload)&&a.protected&&q.isString(a.protected)&&a.header&&a.header instanceof Object&&a.signature&&q.isString(a.signature))return this.sign(r.fromObject(a),b,c);throw new d("JWS is not a valid JWS object")},h.Signer.prototype.sign=function(a,b,c){function e(a,b,c,e,f){var h;if(b||(b={}),b.alg||(b.alg=g.cryptographer.getContentSignAlgorithm(),b.typ="JWT"),b.kid||(b.kid=f),q.isString(a))h=q.arrayFromUtf8String(a);else try{h=q.arrayish(a)}catch(b){if(a instanceof r)h=q.arrayFromString(q.Base64Url.decode(a.payload));else{if(!(a instanceof Object))throw new d("cannot sign this message");h=q.arrayFromString(JSON.stringify(a))}}return g.cryptographer.sign(b,h,e).then(function(d){var e=new r(b,c,h,d);return a instanceof r?(delete e.payload,a.signatures?a.signatures.push(e):a.signatures=[e],a):e})}function f(a,b,c,d,h){if(h.length){var i=h.shift(),j=e(a,g.signer_aads[i]||b,g.signer_headers[i]||c,d[i],i);return h.length&&(j=j.then(function(a){return f(a,null,null,d,h)})),j}}var g=this,h=[];if(0===Object.keys(g.key_promises).length)throw new d("No signers defined. At least one is required to sign the JWS.");if(g.waiting_kid)throw new d("still generating key IDs");for(var i in g.key_promises)g.key_promises.hasOwnProperty(i)&&h.push(i);return f(a,b,c,g.key_promises,h)};var r=function(a,b,c,d){this.header=b,this.payload=q.Base64Url.encodeArray(c),d&&(this.signature=q.Base64Url.encodeArray(d)),this.protected=q.Base64Url.encode(JSON.stringify(a))};r.fromObject=function(a){var b=new r(a.protected,a.header,a.payload,null);return b.signature=a.signature,b.signatures=a.signatures,b},r.prototype.JsonSerialize=function(){return JSON.stringify(this)},r.prototype.CompactSerialize=function(){return this.protected+"."+this.payload+"."+this.signature},h.Verifier=function(a,b,c){var e,g,h,i,j,k,l,m=this,n=/^([0-9a-z_\-]+)\.([0-9a-z_\-]+)\.([0-9a-z_\-]+)$/i;if(m.cryptographer=a,e=a.getContentSignAlgorithm(),m.cryptographer=new f.WebCryptographer,q.isString(b))if(g=n.exec(b)){if(4!=g.length)throw new d("wrong JWS compact serialization format");b={protected:g[1],payload:g[2],signature:g[3]}}else b=JSON.parse(b);else if("object"!=typeof b)throw new d("data format not supported");h=b.protected,i=b.header,j=b.payload,k=b.signatures instanceof Array?b.signatures.slice(0):[],k.forEach(function(a){a.aad=a.protected,a.protected=JSON.parse(q.Base64Url.decode(a.protected))}),m.aad=h,l=q.Base64Url.decode(h);try{l=JSON.parse(l)}catch(a){}if(!l&&!i)throw new d("at least one header is required");if(!l.alg)throw new d("'alg' is a mandatory header");if(l.alg!=e)throw new d("the alg header '"+l.alg+"' doesn't match the requested algorithm '"+e+"'");if(l&&l.typ&&"JWT"!=l.typ)throw new d("typ '"+l.typ+"' not supported");b.signature&&k.unshift({aad:h,protected:l,header:i,signature:b.signature}),m.signatures=[];for(var o=0;o<k.length;o++)m.signatures[o]=JSON.parse(JSON.stringify(k[o])),m.signatures[o].signature=q.arrayFromString(q.Base64Url.decode(k[o].signature));m.payload=j,m.key_promises={},m.waiting_kid=0,c&&(m.keyfinder=c)},h.Verifier.prototype.addRecipient=function(a,b,e){var g,h=this,i=q.isCryptoKey(a)?new c(function(b){b(a)}):f.Utils.importRsaPublicKey(a,e||h.cryptographer.getContentSignAlgorithm(),"verify");if(b)g=new c(function(a){a(b)});else{if(q.isCryptoKey(a))throw new d("key_id is a mandatory argument when the key is a CryptoKey");console.log("it's not safe to not pass a key_id"),g=f.WebCryptographer.keyId(a)}return h.waiting_kid++,g.then(function(a){return h.key_promises[a]=i,h.waiting_kid--,a})},h.Verifier.prototype.verify=function(){var a=this,b=a.signatures,e=a.key_promises,f=a.keyfinder,g=[],h=!!f||Object.keys(a.key_promises).length>0;if(!h)throw new d("No recipients defined. At least one is required to verify the JWS.");if(a.waiting_kid)throw new d("still generating key IDs");return b.forEach(function(b){var c=b.protected.kid;f&&(e[c]=f(c)),g.push(a.cryptographer.verify(b.aad,a.payload,b.signature,e[c],c).then(function(b){return b.verified&&(b.payload=q.Base64Url.decode(a.payload)),b}))}),c.all(g)}}(window,window.crypto,window.Promise,window.Error,window.Uint8Array);
\ No newline at end of file
diff --git a/package.json b/package.json
index cd26e74..eec75df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jose-jwe-jws",
-  "version": "0.1.2",
+  "version": "0.1.4",
   "description": "Library to encrypt and decrypt data in JSON Web Encryption (JWE) format and to sign data in JSON Web Signature (JWS) format. Leverages Browser's native web crypto API.",
   "keywords": [
     "crypto",