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webcrypto-shim
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webcrypto-shim - npm Package Compare versions
+4
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| { | ||
| "name": "webcrypto-shim", | ||
| "main": "webcrypto-shim.js", | ||
| "version": "0.1.6", | ||
| "version": "0.1.7", | ||
| "description": "Web Cryptography API shim for legacy browsers", | ||
@@ -36,6 +36,6 @@ "license": "MIT", | ||
| "devDependencies": { | ||
| "gulp": "^4.0.0", | ||
| "gulp": "latest", | ||
| "gulp-concat": "latest", | ||
| "gulp-sourcemaps": "^2.6.5", | ||
| "gulp-uglify": "^3.0.2" | ||
| "gulp-sourcemaps": "latest", | ||
| "gulp-uglify": "latest" | ||
| }, | ||
@@ -42,0 +42,0 @@ "scripts": { |
@@ -40,2 +40,11 @@ describe( 'AES-GCM' , function () { | ||
| }); | ||
| it( "w/ default tagLength", function ( done ) { | ||
| genKeyComplete | ||
| .then( function () { | ||
| return crypto.subtle.encrypt( extend( alg, { iv: new Uint8Array(12) } ), key, new Uint8Array(16) ) | ||
| }) | ||
| .catch(fail) | ||
| .then(done); | ||
| }); | ||
| }); |
@@ -523,3 +523,3 @@ /** | ||
| if ( isIE && ( !c.byteLength || ( d && !d.byteLength ) ) ) | ||
| throw new Error("Empy input is not allowed"); | ||
| throw new Error("Empty input is not allowed"); | ||
@@ -543,2 +543,6 @@ var args = [].slice.call(arguments), | ||
| if ( isIE && ka.name === 'AES-GCM' && args[0].tagLength === undefined ) { | ||
| args[0].tagLength = 128; | ||
| } | ||
| args[1] = b._key; | ||
@@ -586,3 +590,3 @@ | ||
| if ( !b.byteLength ) | ||
| throw new Error("Empy input is not allowed"); | ||
| throw new Error("Empty input is not allowed"); | ||
@@ -589,0 +593,0 @@ var op; |
@@ -1,3 +0,3 @@ | ||
| /*! WebCrypto API shim v0.1.6, (c) 2015 Artem S Vybornov <vybornov@gmail.com>, opensource.org/licenses/MIT */ | ||
| !function(e,t){"function"==typeof define&&define.amd?define([],function(){return t(e)}):"object"==typeof module&&module.exports?module.exports=t(e):t(e)}("undefined"!=typeof self?self:this,function(e){"use strict";if("function"!=typeof Promise)throw"Promise support required";var p=e.crypto||e.msCrypto;if(p){var l=p.subtle||p.webkitSubtle;if(l){var t=e.Crypto||p.constructor||Object,r=e.SubtleCrypto||l.constructor||Object,n=(e.CryptoKey||e.Key||Object,-1<e.navigator.userAgent.indexOf("Edge/")),y=!!e.msCrypto&&!n,f=!p.subtle&&!!p.webkitSubtle;if(y||f){var s={KoZIhvcNAQEB:"1.2.840.113549.1.1.1"},c={"1.2.840.113549.1.1.1":"KoZIhvcNAQEB"};if(["generateKey","importKey","unwrapKey"].forEach(function(s){var c=l[s];l[s]=function(t,e,r){var n,a,o,i,u=[].slice.call(arguments);switch(s){case"generateKey":n=b(t),a=e,o=r;break;case"importKey":n=b(r),a=u[3],o=u[4],"jwk"===t&&((e=S(e)).alg||(e.alg=w(n)),e.key_ops||(e.key_ops="oct"!==e.kty?"d"in e?o.filter(E):o.filter(K):o.slice()),u[1]=function(e){var t=S(e);return y&&(t.extractable=t.ext,delete t.ext),A(unescape(encodeURIComponent(JSON.stringify(t)))).buffer}(e));break;case"unwrapKey":n=u[4],a=u[5],o=u[6],u[2]=r._key}if("generateKey"===s&&"HMAC"===n.name&&n.hash)return n.length=n.length||{"SHA-1":512,"SHA-256":512,"SHA-384":1024,"SHA-512":1024}[n.hash.name],l.importKey("raw",p.getRandomValues(new Uint8Array(n.length+7>>3)),n,a,o);if(f&&"generateKey"===s&&"RSASSA-PKCS1-v1_5"===n.name&&(!n.modulusLength||2048<=n.modulusLength))return(t=b(t)).name="RSAES-PKCS1-v1_5",delete t.hash,l.generateKey(t,!0,["encrypt","decrypt"]).then(function(e){return Promise.all([l.exportKey("jwk",e.publicKey),l.exportKey("jwk",e.privateKey)])}).then(function(e){return e[0].alg=e[1].alg=w(n),e[0].key_ops=o.filter(K),e[1].key_ops=o.filter(E),Promise.all([l.importKey("jwk",e[0],n,!0,e[0].key_ops),l.importKey("jwk",e[1],n,a,e[1].key_ops)])}).then(function(e){return{publicKey:e[0],privateKey:e[1]}});if((f||y&&"SHA-1"===(n.hash||{}).name)&&"importKey"===s&&"jwk"===t&&"HMAC"===n.name&&"oct"===e.kty)return l.importKey("raw",A(g(e.k)),r,u[3],u[4]);if(f&&"importKey"===s&&("spki"===t||"pkcs8"===t))return l.importKey("jwk",function(e){var t=d(e),r=!1;2<t.length&&(r=!0,t.shift());var n={ext:!0};switch(t[0][0]){case"1.2.840.113549.1.1.1":var a=["n","e","d","p","q","dp","dq","qi"],o=d(t[1]);r&&o.shift();for(var i=0;i<o.length;i++)o[i][0]||(o[i]=o[i].subarray(1)),n[a[i]]=h(m(o[i]));n.kty="RSA";break;default:throw new TypeError("Unsupported key type")}return n}(e),r,u[3],u[4]);if(y&&"unwrapKey"===s)return l.decrypt(u[3],r,e).then(function(e){return l.importKey(t,e,u[4],u[5],u[6])});try{i=c.apply(l,u)}catch(e){return Promise.reject(e)}return y&&(i=new Promise(function(t,r){i.onabort=i.onerror=function(e){r(e)},i.oncomplete=function(e){t(e.target.result)}})),i=i.then(function(e){return"HMAC"===n.name&&(n.length||(n.length=8*e.algorithm.length)),0==n.name.search("RSA")&&(n.modulusLength||(n.modulusLength=(e.publicKey||e).algorithm.modulusLength),n.publicExponent||(n.publicExponent=(e.publicKey||e).algorithm.publicExponent)),e=e.publicKey&&e.privateKey?{publicKey:new k(e.publicKey,n,a,o.filter(K)),privateKey:new k(e.privateKey,n,a,o.filter(E))}:new k(e,n,a,o)})}}),["exportKey","wrapKey"].forEach(function(o){var i=l[o];l[o]=function(t,r,n){var e,a=[].slice.call(arguments);switch(o){case"exportKey":a[1]=r._key;break;case"wrapKey":a[1]=r._key,a[2]=n._key}if((f||y&&"SHA-1"===(r.algorithm.hash||{}).name)&&"exportKey"===o&&"jwk"===t&&"HMAC"===r.algorithm.name&&(a[0]="raw"),!f||"exportKey"!==o||"spki"!==t&&"pkcs8"!==t||(a[0]="jwk"),y&&"wrapKey"===o)return l.exportKey(t,r).then(function(e){return"jwk"===t&&(e=A(unescape(encodeURIComponent(JSON.stringify(S(e)))))),l.encrypt(a[3],n,e)});try{e=i.apply(l,a)}catch(e){return Promise.reject(e)}return y&&(e=new Promise(function(t,r){e.onabort=e.onerror=function(e){r(e)},e.oncomplete=function(e){t(e.target.result)}})),"exportKey"===o&&"jwk"===t&&(e=e.then(function(e){return(f||y&&"SHA-1"===(r.algorithm.hash||{}).name)&&"HMAC"===r.algorithm.name?{kty:"oct",alg:w(r.algorithm),key_ops:r.usages.slice(),ext:!0,k:h(m(e))}:((e=S(e)).alg||(e.alg=w(r.algorithm)),e.key_ops||(e.key_ops="public"===r.type?r.usages.filter(K):"private"===r.type?r.usages.filter(E):r.usages.slice()),e)})),!f||"exportKey"!==o||"spki"!==t&&"pkcs8"!==t||(e=e.then(function(e){return e=function(e){var t,r=[["",null]],n=!1;switch(e.kty){case"RSA":for(var a=["n","e","d","p","q","dp","dq","qi"],o=[],i=0;i<a.length&&a[i]in e;i++){var u=o[i]=A(g(e[a[i]]));128&u[0]&&(o[i]=new Uint8Array(u.length+1),o[i].set(u,1))}2<o.length&&(n=!0,o.unshift(new Uint8Array([0]))),r[0][0]="1.2.840.113549.1.1.1",t=o;break;default:throw new TypeError("Unsupported key type")}return r.push(new Uint8Array(v(t)).buffer),n?r.unshift(new Uint8Array([0])):r[1]={tag:3,value:r[1]},new Uint8Array(v(r)).buffer}(S(e))})),e}}),["encrypt","decrypt","sign","verify"].forEach(function(s){var c=l[s];l[s]=function(e,t,r,n){if(y&&(!r.byteLength||n&&!n.byteLength))throw new Error("Empy input is not allowed");var a,o=[].slice.call(arguments),i=b(e);if(!y||"sign"!==s&&"verify"!==s||"RSASSA-PKCS1-v1_5"!==e&&"HMAC"!==e||(o[0]={name:e}),y&&t.algorithm.hash&&(o[0].hash=o[0].hash||t.algorithm.hash),y&&"decrypt"===s&&"AES-GCM"===i.name){var u=e.tagLength>>3;o[2]=(r.buffer||r).slice(0,r.byteLength-u),e.tag=(r.buffer||r).slice(r.byteLength-u)}o[1]=t._key;try{a=c.apply(l,o)}catch(e){return Promise.reject(e)}return y&&(a=new Promise(function(n,t){a.onabort=a.onerror=function(e){t(e)},a.oncomplete=function(e){e=e.target.result;if("encrypt"===s&&e instanceof AesGcmEncryptResult){var t=e.ciphertext,r=e.tag;(e=new Uint8Array(t.byteLength+r.byteLength)).set(new Uint8Array(t),0),e.set(new Uint8Array(r),t.byteLength),e=e.buffer}n(e)}})),a}}),y){var a=l.digest;l.digest=function(e,t){if(!t.byteLength)throw new Error("Empy input is not allowed");var n;try{n=a.call(l,e,t)}catch(e){return Promise.reject(e)}return n=new Promise(function(t,r){n.onabort=n.onerror=function(e){r(e)},n.oncomplete=function(e){t(e.target.result)}})},e.crypto=Object.create(p,{getRandomValues:{value:function(e){return p.getRandomValues(e)}},subtle:{value:l}}),e.CryptoKey=k}f&&(p.subtle=l,e.Crypto=t,e.SubtleCrypto=r,e.CryptoKey=k)}}}function h(e){return btoa(e).replace(/\=+$/,"").replace(/\+/g,"-").replace(/\//g,"_")}function g(e){return e=(e+="===").slice(0,-e.length%4),atob(e.replace(/-/g,"+").replace(/_/g,"/"))}function A(e){for(var t=new Uint8Array(e.length),r=0;r<e.length;r++)t[r]=e.charCodeAt(r);return t}function m(e){return e instanceof ArrayBuffer&&(e=new Uint8Array(e)),String.fromCharCode.apply(String,e)}function b(e){var t={name:(e.name||e||"").toUpperCase().replace("V","v")};switch(t.name){case"SHA-1":case"SHA-256":case"SHA-384":case"SHA-512":break;case"AES-CBC":case"AES-GCM":case"AES-KW":e.length&&(t.length=e.length);break;case"HMAC":e.hash&&(t.hash=b(e.hash)),e.length&&(t.length=e.length);break;case"RSAES-PKCS1-v1_5":e.publicExponent&&(t.publicExponent=new Uint8Array(e.publicExponent)),e.modulusLength&&(t.modulusLength=e.modulusLength);break;case"RSASSA-PKCS1-v1_5":case"RSA-OAEP":e.hash&&(t.hash=b(e.hash)),e.publicExponent&&(t.publicExponent=new Uint8Array(e.publicExponent)),e.modulusLength&&(t.modulusLength=e.modulusLength);break;default:throw new SyntaxError("Bad algorithm name")}return t}function w(e){return{HMAC:{"SHA-1":"HS1","SHA-256":"HS256","SHA-384":"HS384","SHA-512":"HS512"},"RSASSA-PKCS1-v1_5":{"SHA-1":"RS1","SHA-256":"RS256","SHA-384":"RS384","SHA-512":"RS512"},"RSAES-PKCS1-v1_5":{"":"RSA1_5"},"RSA-OAEP":{"SHA-1":"RSA-OAEP","SHA-256":"RSA-OAEP-256"},"AES-KW":{128:"A128KW",192:"A192KW",256:"A256KW"},"AES-GCM":{128:"A128GCM",192:"A192GCM",256:"A256GCM"},"AES-CBC":{128:"A128CBC",192:"A192CBC",256:"A256CBC"}}[e.name][(e.hash||{}).name||e.length||""]}function S(t){(t instanceof ArrayBuffer||t instanceof Uint8Array)&&(t=JSON.parse(decodeURIComponent(escape(m(t)))));var r={kty:t.kty,alg:t.alg,ext:t.ext||t.extractable};switch(r.kty){case"oct":r.k=t.k;case"RSA":["n","e","d","p","q","dp","dq","qi","oth"].forEach(function(e){e in t&&(r[e]=t[e])});break;default:throw new TypeError("Unsupported key type")}return r}function d(e,t){if(e instanceof ArrayBuffer&&(e=new Uint8Array(e)),t||(t={pos:0,end:e.length}),t.end-t.pos<2||t.end>e.length)throw new RangeError("Malformed DER");var r,n=e[t.pos++],a=e[t.pos++];if(128<=a){if(a&=127,t.end-t.pos<a)throw new RangeError("Malformed DER");for(var o=0;a--;)o<<=8,o|=e[t.pos++];a=o}if(t.end-t.pos<a)throw new RangeError("Malformed DER");switch(n){case 2:r=e.subarray(t.pos,t.pos+=a);break;case 3:if(e[t.pos++])throw new Error("Unsupported bit string");a--;case 4:r=new Uint8Array(e.subarray(t.pos,t.pos+=a)).buffer;break;case 5:r=null;break;case 6:var i=btoa(m(e.subarray(t.pos,t.pos+=a)));if(!(i in s))throw new Error("Unsupported OBJECT ID "+i);r=s[i];break;case 48:r=[];for(var u=t.pos+a;t.pos<u;)r.push(d(e,t));break;default:throw new Error("Unsupported DER tag 0x"+n.toString(16))}return r}function v(e,t){t||(t=[]);var r=0,n=0,a=t.length+2;if(t.push(0,0),e instanceof Uint8Array){r=2,n=e.length;for(var o=0;o<n;o++)t.push(e[o])}else if(e instanceof ArrayBuffer){r=4,n=e.byteLength,e=new Uint8Array(e);for(o=0;o<n;o++)t.push(e[o])}else if(null===e)r=5,n=0;else if("string"==typeof e&&e in c){var i=A(atob(c[e]));r=6,n=i.length;for(o=0;o<n;o++)t.push(i[o])}else if(e instanceof Array){for(o=0;o<e.length;o++)v(e[o],t);r=48,n=t.length-a}else{if(!("object"==typeof e&&3===e.tag&&e.value instanceof ArrayBuffer))throw new Error("Unsupported DER value "+e);r=3,n=(e=new Uint8Array(e.value)).byteLength,t.push(0);for(o=0;o<n;o++)t.push(e[o]);n++}if(128<=n){var u=n;n=4;for(t.splice(a,0,u>>24&255,u>>16&255,u>>8&255,255&u);1<n&&!(u>>24);)u<<=8,n--;n<4&&t.splice(a,4-n),n|=128}return t.splice(a-2,2,r,n),t}function k(e,t,r,n){Object.defineProperties(this,{_key:{value:e},type:{value:e.type,enumerable:!0},extractable:{value:void 0===r?e.extractable:r,enumerable:!0},algorithm:{value:void 0===t?e.algorithm:t,enumerable:!0},usages:{value:void 0===n?e.usages:n,enumerable:!0}})}function K(e){return"verify"===e||"encrypt"===e||"wrapKey"===e}function E(e){return"sign"===e||"decrypt"===e||"unwrapKey"===e}}); | ||
| /*! WebCrypto API shim v0.1.7, (c) 2015 Artem S Vybornov <vybornov@gmail.com>, opensource.org/licenses/MIT */ | ||
| !function(e,t){"function"==typeof define&&define.amd?define([],function(){return t(e)}):"object"==typeof module&&module.exports?module.exports=t(e):t(e)}("undefined"!=typeof self?self:this,function(e){"use strict";if("function"!=typeof Promise)throw"Promise support required";var l,t,r,n,y,f,s,p,a,h=e.crypto||e.msCrypto;function g(e){return btoa(e).replace(/\=+$/,"").replace(/\+/g,"-").replace(/\//g,"_")}function A(e){return e=(e+="===").slice(0,-e.length%4),atob(e.replace(/-/g,"+").replace(/_/g,"/"))}function m(e){for(var t=new Uint8Array(e.length),r=0;r<e.length;r++)t[r]=e.charCodeAt(r);return t}function b(e){return e instanceof ArrayBuffer&&(e=new Uint8Array(e)),String.fromCharCode.apply(String,e)}function w(e){var t={name:(e.name||e||"").toUpperCase().replace("V","v")};switch(t.name){case"SHA-1":case"SHA-256":case"SHA-384":case"SHA-512":break;case"AES-CBC":case"AES-GCM":case"AES-KW":e.length&&(t.length=e.length);break;case"HMAC":e.hash&&(t.hash=w(e.hash)),e.length&&(t.length=e.length);break;case"RSAES-PKCS1-v1_5":e.publicExponent&&(t.publicExponent=new Uint8Array(e.publicExponent)),e.modulusLength&&(t.modulusLength=e.modulusLength);break;case"RSASSA-PKCS1-v1_5":case"RSA-OAEP":e.hash&&(t.hash=w(e.hash)),e.publicExponent&&(t.publicExponent=new Uint8Array(e.publicExponent)),e.modulusLength&&(t.modulusLength=e.modulusLength);break;default:throw new SyntaxError("Bad algorithm name")}return t}function S(e){return{HMAC:{"SHA-1":"HS1","SHA-256":"HS256","SHA-384":"HS384","SHA-512":"HS512"},"RSASSA-PKCS1-v1_5":{"SHA-1":"RS1","SHA-256":"RS256","SHA-384":"RS384","SHA-512":"RS512"},"RSAES-PKCS1-v1_5":{"":"RSA1_5"},"RSA-OAEP":{"SHA-1":"RSA-OAEP","SHA-256":"RSA-OAEP-256"},"AES-KW":{128:"A128KW",192:"A192KW",256:"A256KW"},"AES-GCM":{128:"A128GCM",192:"A192GCM",256:"A256GCM"},"AES-CBC":{128:"A128CBC",192:"A192CBC",256:"A256CBC"}}[e.name][(e.hash||{}).name||e.length||""]}function d(t){(t instanceof ArrayBuffer||t instanceof Uint8Array)&&(t=JSON.parse(decodeURIComponent(escape(b(t)))));var r={kty:t.kty,alg:t.alg,ext:t.ext||t.extractable};switch(r.kty){case"oct":r.k=t.k;case"RSA":["n","e","d","p","q","dp","dq","qi","oth"].forEach(function(e){e in t&&(r[e]=t[e])});break;default:throw new TypeError("Unsupported key type")}return r}function k(e,t){if(e instanceof ArrayBuffer&&(e=new Uint8Array(e)),(t=t||{pos:0,end:e.length}).end-t.pos<2||t.end>e.length)throw new RangeError("Malformed DER");var r,n=e[t.pos++],a=e[t.pos++];if(128<=a){if(a&=127,t.end-t.pos<a)throw new RangeError("Malformed DER");for(var o=0;a--;)o<<=8,o|=e[t.pos++];a=o}if(t.end-t.pos<a)throw new RangeError("Malformed DER");switch(n){case 2:r=e.subarray(t.pos,t.pos+=a);break;case 3:if(e[t.pos++])throw new Error("Unsupported bit string");a--;case 4:r=new Uint8Array(e.subarray(t.pos,t.pos+=a)).buffer;break;case 5:r=null;break;case 6:var i=btoa(b(e.subarray(t.pos,t.pos+=a)));if(!(i in s))throw new Error("Unsupported OBJECT ID "+i);r=s[i];break;case 48:r=[];for(var u=t.pos+a;t.pos<u;)r.push(k(e,t));break;default:throw new Error("Unsupported DER tag 0x"+n.toString(16))}return r}function c(e,t){var r=0,n=0,a=(t=t||[]).length+2;if(t.push(0,0),e instanceof Uint8Array){r=2,n=e.length;for(var o=0;o<n;o++)t.push(e[o])}else if(e instanceof ArrayBuffer){r=4,n=e.byteLength,e=new Uint8Array(e);for(o=0;o<n;o++)t.push(e[o])}else if(null===e)r=5,n=0;else if("string"==typeof e&&e in p){var i=m(atob(p[e])),r=6;n=i.length;for(o=0;o<n;o++)t.push(i[o])}else if(e instanceof Array){for(o=0;o<e.length;o++)c(e[o],t);r=48,n=t.length-a}else{if(!("object"==typeof e&&3===e.tag&&e.value instanceof ArrayBuffer))throw new Error("Unsupported DER value "+e);r=3,n=(e=new Uint8Array(e.value)).byteLength,t.push(0);for(o=0;o<n;o++)t.push(e[o]);n++}if(128<=n){var u=n,n=4;for(t.splice(a,0,u>>24&255,u>>16&255,u>>8&255,255&u);1<n&&!(u>>24);)u<<=8,n--;n<4&&t.splice(a,4-n),n|=128}return t.splice(a-2,2,r,n),t}function v(e,t,r,n){Object.defineProperties(this,{_key:{value:e},type:{value:e.type,enumerable:!0},extractable:{value:void 0===r?e.extractable:r,enumerable:!0},algorithm:{value:void 0===t?e.algorithm:t,enumerable:!0},usages:{value:void 0===n?e.usages:n,enumerable:!0}})}function K(e){return"verify"===e||"encrypt"===e||"wrapKey"===e}function E(e){return"sign"===e||"decrypt"===e||"unwrapKey"===e}!h||(l=h.subtle||h.webkitSubtle)&&(t=e.Crypto||h.constructor||Object,r=e.SubtleCrypto||l.constructor||Object,e.CryptoKey||e.Key||Object,n=-1<e.navigator.userAgent.indexOf("Edge/"),y=!!e.msCrypto&&!n,f=!h.subtle&&!!h.webkitSubtle,(y||f)&&(s={KoZIhvcNAQEB:"1.2.840.113549.1.1.1"},p={"1.2.840.113549.1.1.1":"KoZIhvcNAQEB"},["generateKey","importKey","unwrapKey"].forEach(function(p){var c=l[p];l[p]=function(t,e,r){var n,a,o,i,u,s=[].slice.call(arguments);switch(p){case"generateKey":n=w(t),a=e,o=r;break;case"importKey":n=w(r),a=s[3],o=s[4],"jwk"===t&&((e=d(e)).alg||(e.alg=S(n)),e.key_ops||(e.key_ops="oct"!==e.kty?"d"in e?o.filter(E):o.filter(K):o.slice()),s[1]=(i=d(e),y&&(i.extractable=i.ext,delete i.ext),m(unescape(encodeURIComponent(JSON.stringify(i)))).buffer));break;case"unwrapKey":n=s[4],a=s[5],o=s[6],s[2]=r._key}if("generateKey"===p&&"HMAC"===n.name&&n.hash)return 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* @file Web Cryptography API shim\n * @author Artem S Vybornov <vybornov@gmail.com>\n * @license MIT\n */\n(function (global, factory) {\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define([], function () {\n return factory(global);\n });\n } else if (typeof module === 'object' && module.exports) {\n // CommonJS-like environments that support module.exports\n module.exports = factory(global);\n } else {\n factory(global);\n }\n}(typeof self !== 'undefined' ? self : this, function (global) {\n 'use strict';\n\n if ( typeof Promise !== 'function' )\n throw \"Promise support required\";\n\n var _crypto = global.crypto || global.msCrypto;\n if ( !_crypto ) return;\n\n var _subtle = _crypto.subtle || _crypto.webkitSubtle;\n if ( !_subtle ) return;\n\n var _Crypto = global.Crypto || _crypto.constructor || Object,\n _SubtleCrypto = global.SubtleCrypto || _subtle.constructor || Object,\n _CryptoKey = global.CryptoKey || global.Key || Object;\n\n var isEdge = global.navigator.userAgent.indexOf('Edge/') > -1;\n var isIE = !!global.msCrypto && !isEdge;\n var isWebkit = !_crypto.subtle && !!_crypto.webkitSubtle;\n if ( !isIE && !isWebkit ) return;\n\n function s2a ( s ) {\n return btoa(s).replace(/\\=+$/, '').replace(/\\+/g, '-').replace(/\\//g, '_');\n }\n\n function a2s ( s ) {\n s += '===', s = s.slice( 0, -s.length % 4 );\n return atob( s.replace(/-/g, '+').replace(/_/g, '/') );\n }\n\n function s2b ( s ) {\n var b = new Uint8Array(s.length);\n for ( var i = 0; i < s.length; i++ ) b[i] = s.charCodeAt(i);\n return b;\n }\n\n function b2s ( b ) {\n if ( b instanceof ArrayBuffer ) b = new Uint8Array(b);\n return String.fromCharCode.apply( String, b );\n }\n\n function alg ( a ) {\n var r = { 'name': (a.name || a || '').toUpperCase().replace('V','v') };\n switch ( r.name ) {\n case 'SHA-1':\n case 'SHA-256':\n case 'SHA-384':\n case 'SHA-512':\n break;\n case 'AES-CBC':\n case 'AES-GCM':\n case 'AES-KW':\n if ( a.length ) r['length'] = a.length;\n break;\n case 'HMAC':\n if ( a.hash ) r['hash'] = alg(a.hash);\n if ( a.length ) r['length'] = a.length;\n break;\n case 'RSAES-PKCS1-v1_5':\n if ( a.publicExponent ) r['publicExponent'] = new Uint8Array(a.publicExponent);\n if ( a.modulusLength ) r['modulusLength'] = a.modulusLength;\n break;\n case 'RSASSA-PKCS1-v1_5':\n case 'RSA-OAEP':\n if ( a.hash ) r['hash'] = alg(a.hash);\n if ( a.publicExponent ) r['publicExponent'] = new Uint8Array(a.publicExponent);\n if ( a.modulusLength ) r['modulusLength'] = a.modulusLength;\n break;\n default:\n throw new SyntaxError(\"Bad algorithm name\");\n }\n return r;\n };\n\n function jwkAlg ( a ) {\n return {\n 'HMAC': {\n 'SHA-1': 'HS1',\n 'SHA-256': 'HS256',\n 'SHA-384': 'HS384',\n 'SHA-512': 'HS512',\n },\n 'RSASSA-PKCS1-v1_5': {\n 'SHA-1': 'RS1',\n 'SHA-256': 'RS256',\n 'SHA-384': 'RS384',\n 'SHA-512': 'RS512',\n },\n 'RSAES-PKCS1-v1_5': {\n '': 'RSA1_5',\n },\n 'RSA-OAEP': {\n 'SHA-1': 'RSA-OAEP',\n 'SHA-256': 'RSA-OAEP-256',\n },\n 'AES-KW': {\n '128': 'A128KW',\n '192': 'A192KW',\n '256': 'A256KW',\n },\n 'AES-GCM': {\n '128': 'A128GCM',\n '192': 'A192GCM',\n '256': 'A256GCM',\n },\n 'AES-CBC': {\n '128': 'A128CBC',\n '192': 'A192CBC',\n '256': 'A256CBC',\n },\n }[a.name][ ( a.hash || {} ).name || a.length || '' ];\n }\n\n function b2jwk ( k ) {\n if ( k instanceof ArrayBuffer || k instanceof Uint8Array ) k = JSON.parse( decodeURIComponent( escape( b2s(k) ) ) );\n var jwk = { 'kty': k.kty, 'alg': k.alg, 'ext': k.ext || k.extractable };\n switch ( jwk.kty ) {\n case 'oct':\n jwk.k = k.k;\n case 'RSA':\n [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi', 'oth' ].forEach( function ( x ) { if ( x in k ) jwk[x] = k[x] } );\n break;\n default:\n throw new TypeError(\"Unsupported key type\");\n }\n return jwk;\n }\n\n function jwk2b ( k ) {\n var jwk = b2jwk(k);\n if ( isIE ) jwk['extractable'] = jwk.ext, delete jwk.ext;\n return s2b( unescape( encodeURIComponent( JSON.stringify(jwk) ) ) ).buffer;\n }\n\n function pkcs2jwk ( k ) {\n var info = b2der(k), prv = false;\n if ( info.length > 2 ) prv = true, info.shift(); // remove version from PKCS#8 PrivateKeyInfo structure\n var jwk = { 'ext': true };\n switch ( info[0][0] ) {\n case '1.2.840.113549.1.1.1':\n var rsaComp = [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi' ],\n rsaKey = b2der( info[1] );\n if ( prv ) rsaKey.shift(); // remove version from PKCS#1 RSAPrivateKey structure\n for ( var i = 0; i < rsaKey.length; i++ ) {\n if ( !rsaKey[i][0] ) rsaKey[i] = rsaKey[i].subarray(1);\n jwk[ rsaComp[i] ] = s2a( b2s( rsaKey[i] ) );\n }\n jwk['kty'] = 'RSA';\n break;\n default:\n throw new TypeError(\"Unsupported key type\");\n }\n return jwk;\n }\n\n function jwk2pkcs ( k ) {\n var key, info = [ [ '', null ] ], prv = false;\n switch ( k.kty ) {\n case 'RSA':\n var rsaComp = [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi' ],\n rsaKey = [];\n for ( var i = 0; i < rsaComp.length; i++ ) {\n if ( !( rsaComp[i] in k ) ) break;\n var b = rsaKey[i] = s2b( a2s( k[ rsaComp[i] ] ) );\n if ( b[0] & 0x80 ) rsaKey[i] = new Uint8Array(b.length + 1), rsaKey[i].set( b, 1 );\n }\n if ( rsaKey.length > 2 ) prv = true, rsaKey.unshift( new Uint8Array([0]) ); // add version to PKCS#1 RSAPrivateKey structure\n info[0][0] = '1.2.840.113549.1.1.1';\n key = rsaKey;\n break;\n default:\n throw new TypeError(\"Unsupported key type\");\n }\n info.push( new Uint8Array( der2b(key) ).buffer );\n if ( !prv ) info[1] = { 'tag': 0x03, 'value': info[1] };\n else info.unshift( new Uint8Array([0]) ); // add version to PKCS#8 PrivateKeyInfo structure\n return new Uint8Array( der2b(info) ).buffer;\n }\n\n var oid2str = { 'KoZIhvcNAQEB': '1.2.840.113549.1.1.1' },\n str2oid = { '1.2.840.113549.1.1.1': 'KoZIhvcNAQEB' };\n\n function b2der ( buf, ctx ) {\n if ( buf instanceof ArrayBuffer ) buf = new Uint8Array(buf);\n if ( !ctx ) ctx = { pos: 0, end: buf.length };\n\n if ( ctx.end - ctx.pos < 2 || ctx.end > buf.length ) throw new RangeError(\"Malformed DER\");\n\n var tag = buf[ctx.pos++],\n len = buf[ctx.pos++];\n\n if ( len >= 0x80 ) {\n len &= 0x7f;\n if ( ctx.end - ctx.pos < len ) throw new RangeError(\"Malformed DER\");\n for ( var xlen = 0; len--; ) xlen <<= 8, xlen |= buf[ctx.pos++];\n len = xlen;\n }\n\n if ( ctx.end - ctx.pos < len ) throw new RangeError(\"Malformed DER\");\n\n var rv;\n\n switch ( tag ) {\n case 0x02: // Universal Primitive INTEGER\n rv = buf.subarray( ctx.pos, ctx.pos += len );\n break;\n case 0x03: // Universal Primitive BIT STRING\n if ( buf[ctx.pos++] ) throw new Error( \"Unsupported bit string\" );\n len--;\n case 0x04: // Universal Primitive OCTET STRING\n rv = new Uint8Array( buf.subarray( ctx.pos, ctx.pos += len ) ).buffer;\n break;\n case 0x05: // Universal Primitive NULL\n rv = null;\n break;\n case 0x06: // Universal Primitive OBJECT IDENTIFIER\n var oid = btoa( b2s( buf.subarray( ctx.pos, ctx.pos += len ) ) );\n if ( !( oid in oid2str ) ) throw new Error( \"Unsupported OBJECT ID \" + oid );\n rv = oid2str[oid];\n break;\n case 0x30: // Universal Constructed SEQUENCE\n rv = [];\n for ( var end = ctx.pos + len; ctx.pos < end; ) rv.push( b2der( buf, ctx ) );\n break;\n default:\n throw new Error( \"Unsupported DER tag 0x\" + tag.toString(16) );\n }\n\n return rv;\n }\n\n function der2b ( val, buf ) {\n if ( !buf ) buf = [];\n\n var tag = 0, len = 0,\n pos = buf.length + 2;\n\n buf.push( 0, 0 ); // placeholder\n\n if ( val instanceof Uint8Array ) { // Universal Primitive INTEGER\n tag = 0x02, len = val.length;\n for ( var i = 0; i < len; i++ ) buf.push( val[i] );\n }\n else if ( val instanceof ArrayBuffer ) { // Universal Primitive OCTET STRING\n tag = 0x04, len = val.byteLength, val = new Uint8Array(val);\n for ( var i = 0; i < len; i++ ) buf.push( val[i] );\n }\n else if ( val === null ) { // Universal Primitive NULL\n tag = 0x05, len = 0;\n }\n else if ( typeof val === 'string' && val in str2oid ) { // Universal Primitive OBJECT IDENTIFIER\n var oid = s2b( atob( str2oid[val] ) );\n tag = 0x06, len = oid.length;\n for ( var i = 0; i < len; i++ ) buf.push( oid[i] );\n }\n else if ( val instanceof Array ) { // Universal Constructed SEQUENCE\n for ( var i = 0; i < val.length; i++ ) der2b( val[i], buf );\n tag = 0x30, len = buf.length - pos;\n }\n else if ( typeof val === 'object' && val.tag === 0x03 && val.value instanceof ArrayBuffer ) { // Tag hint\n val = new Uint8Array(val.value), tag = 0x03, len = val.byteLength;\n buf.push(0); for ( var i = 0; i < len; i++ ) buf.push( val[i] );\n len++;\n }\n else {\n throw new Error( \"Unsupported DER value \" + val );\n }\n\n if ( len >= 0x80 ) {\n var xlen = len, len = 4;\n buf.splice( pos, 0, (xlen >> 24) & 0xff, (xlen >> 16) & 0xff, (xlen >> 8) & 0xff, xlen & 0xff );\n while ( len > 1 && !(xlen >> 24) ) xlen <<= 8, len--;\n if ( len < 4 ) buf.splice( pos, 4 - len );\n len |= 0x80;\n }\n\n buf.splice( pos - 2, 2, tag, len );\n\n return buf;\n }\n\n function CryptoKey ( key, alg, ext, use ) {\n Object.defineProperties( this, {\n _key: {\n value: key\n },\n type: {\n value: key.type,\n enumerable: true,\n },\n extractable: {\n value: (ext === undefined) ? key.extractable : ext,\n enumerable: true,\n },\n algorithm: {\n value: (alg === undefined) ? key.algorithm : alg,\n enumerable: true,\n },\n usages: {\n value: (use === undefined) ? key.usages : use,\n enumerable: true,\n },\n });\n }\n\n function isPubKeyUse ( u ) {\n return u === 'verify' || u === 'encrypt' || u === 'wrapKey';\n }\n\n function isPrvKeyUse ( u ) {\n return u === 'sign' || u === 'decrypt' || u === 'unwrapKey';\n }\n\n [ 'generateKey', 'importKey', 'unwrapKey' ]\n .forEach( function ( m ) {\n var _fn = _subtle[m];\n\n _subtle[m] = function ( a, b, c ) {\n var args = [].slice.call(arguments),\n ka, kx, ku;\n\n switch ( m ) {\n case 'generateKey':\n ka = alg(a), kx = b, ku = c;\n break;\n case 'importKey':\n ka = alg(c), kx = args[3], ku = args[4];\n if ( a === 'jwk' ) {\n b = b2jwk(b);\n if ( !b.alg ) b.alg = jwkAlg(ka);\n if ( !b.key_ops ) b.key_ops = ( b.kty !== 'oct' ) ? ( 'd' in b ) ? ku.filter(isPrvKeyUse) : ku.filter(isPubKeyUse) : ku.slice();\n args[1] = jwk2b(b);\n }\n break;\n case 'unwrapKey':\n ka = args[4], kx = args[5], ku = args[6];\n args[2] = c._key;\n break;\n }\n\n if ( m === 'generateKey' && ka.name === 'HMAC' && ka.hash ) {\n ka.length = ka.length || { 'SHA-1': 512, 'SHA-256': 512, 'SHA-384': 1024, 'SHA-512': 1024 }[ka.hash.name];\n return _subtle.importKey( 'raw', _crypto.getRandomValues( new Uint8Array( (ka.length+7)>>3 ) ), ka, kx, ku );\n }\n\n if ( isWebkit && m === 'generateKey' && ka.name === 'RSASSA-PKCS1-v1_5' && ( !ka.modulusLength || ka.modulusLength >= 2048 ) ) {\n a = alg(a), a.name = 'RSAES-PKCS1-v1_5', delete a.hash;\n return _subtle.generateKey( a, true, [ 'encrypt', 'decrypt' ] )\n .then( function ( k ) {\n return Promise.all([\n _subtle.exportKey( 'jwk', k.publicKey ),\n _subtle.exportKey( 'jwk', k.privateKey ),\n ]);\n })\n .then( function ( keys ) {\n keys[0].alg = keys[1].alg = jwkAlg(ka);\n keys[0].key_ops = ku.filter(isPubKeyUse), keys[1].key_ops = ku.filter(isPrvKeyUse);\n return Promise.all([\n _subtle.importKey( 'jwk', keys[0], ka, true, keys[0].key_ops ),\n _subtle.importKey( 'jwk', keys[1], ka, kx, keys[1].key_ops ),\n ]);\n })\n .then( function ( keys ) {\n return {\n publicKey: keys[0],\n privateKey: keys[1],\n };\n });\n }\n\n if ( ( isWebkit || ( isIE && ( ka.hash || {} ).name === 'SHA-1' ) )\n && m === 'importKey' && a === 'jwk' && ka.name === 'HMAC' && b.kty === 'oct' ) {\n return _subtle.importKey( 'raw', s2b( a2s(b.k) ), c, args[3], args[4] );\n }\n\n if ( isWebkit && m === 'importKey' && ( a === 'spki' || a === 'pkcs8' ) ) {\n return _subtle.importKey( 'jwk', pkcs2jwk(b), c, args[3], args[4] );\n }\n\n if ( isIE && m === 'unwrapKey' ) {\n return _subtle.decrypt( args[3], c, b )\n .then( function ( k ) {\n return _subtle.importKey( a, k, args[4], args[5], args[6] );\n });\n }\n\n var op;\n try {\n op = _fn.apply( _subtle, args );\n }\n catch ( e ) {\n return Promise.reject(e);\n }\n\n if ( isIE ) {\n op = new Promise( function ( res, rej ) {\n op.onabort =\n op.onerror = function ( e ) { rej(e) };\n op.oncomplete = function ( r ) { res(r.target.result) };\n });\n }\n\n op = op.then( function ( k ) {\n if ( ka.name === 'HMAC' ) {\n if ( !ka.length ) ka.length = 8 * k.algorithm.length;\n }\n if ( ka.name.search('RSA') == 0 ) {\n if ( !ka.modulusLength ) ka.modulusLength = (k.publicKey || k).algorithm.modulusLength;\n if ( !ka.publicExponent ) ka.publicExponent = (k.publicKey || k).algorithm.publicExponent;\n }\n if ( k.publicKey && k.privateKey ) {\n k = {\n publicKey: new CryptoKey( k.publicKey, ka, kx, ku.filter(isPubKeyUse) ),\n privateKey: new CryptoKey( k.privateKey, ka, kx, ku.filter(isPrvKeyUse) ),\n };\n }\n else {\n k = new CryptoKey( k, ka, kx, ku );\n }\n return k;\n });\n\n return op;\n }\n });\n\n [ 'exportKey', 'wrapKey' ]\n .forEach( function ( m ) {\n var _fn = _subtle[m];\n\n _subtle[m] = function ( a, b, c ) {\n var args = [].slice.call(arguments);\n\n switch ( m ) {\n case 'exportKey':\n args[1] = b._key;\n break;\n case 'wrapKey':\n args[1] = b._key, args[2] = c._key;\n break;\n }\n\n if ( ( isWebkit || ( isIE && ( b.algorithm.hash || {} ).name === 'SHA-1' ) )\n && m === 'exportKey' && a === 'jwk' && b.algorithm.name === 'HMAC' ) {\n args[0] = 'raw';\n }\n\n if ( isWebkit && m === 'exportKey' && ( a === 'spki' || a === 'pkcs8' ) ) {\n args[0] = 'jwk';\n }\n\n if ( isIE && m === 'wrapKey' ) {\n return _subtle.exportKey( a, b )\n .then( function ( k ) {\n if ( a === 'jwk' ) k = s2b( unescape( encodeURIComponent( JSON.stringify( b2jwk(k) ) ) ) );\n return _subtle.encrypt( args[3], c, k );\n });\n }\n\n var op;\n try {\n op = _fn.apply( _subtle, args );\n }\n catch ( e ) {\n return Promise.reject(e);\n }\n\n if ( isIE ) {\n op = new Promise( function ( res, rej ) {\n op.onabort =\n op.onerror = function ( e ) { rej(e) };\n op.oncomplete = function ( r ) { res(r.target.result) };\n });\n }\n\n if ( m === 'exportKey' && a === 'jwk' ) {\n op = op.then( function ( k ) {\n if ( ( isWebkit || ( isIE && ( b.algorithm.hash || {} ).name === 'SHA-1' ) )\n && b.algorithm.name === 'HMAC') {\n return { 'kty': 'oct', 'alg': jwkAlg(b.algorithm), 'key_ops': b.usages.slice(), 'ext': true, 'k': s2a( b2s(k) ) };\n }\n k = b2jwk(k);\n if ( !k.alg ) k['alg'] = jwkAlg(b.algorithm);\n if ( !k.key_ops ) k['key_ops'] = ( b.type === 'public' ) ? b.usages.filter(isPubKeyUse) : ( b.type === 'private' ) ? b.usages.filter(isPrvKeyUse) : b.usages.slice();\n return k;\n });\n }\n\n if ( isWebkit && m === 'exportKey' && ( a === 'spki' || a === 'pkcs8' ) ) {\n op = op.then( function ( k ) {\n k = jwk2pkcs( b2jwk(k) );\n return k;\n });\n }\n\n return op;\n }\n });\n\n [ 'encrypt', 'decrypt', 'sign', 'verify' ]\n .forEach( function ( m ) {\n var _fn = _subtle[m];\n\n _subtle[m] = function ( a, b, c, d ) {\n if ( isIE && ( !c.byteLength || ( d && !d.byteLength ) ) )\n throw new Error(\"Empy input is not allowed\");\n\n var args = [].slice.call(arguments),\n ka = alg(a);\n\n if ( isIE && ( m === 'sign' || m === 'verify') && ( a === 'RSASSA-PKCS1-v1_5' || a === 'HMAC' ) ) {\n args[0] = { name: a };\n }\n\n if ( isIE && b.algorithm.hash ) {\n args[0].hash = args[0].hash || b.algorithm.hash;\n }\n\n if ( isIE && m === 'decrypt' && ka.name === 'AES-GCM' ) {\n var tl = a.tagLength >> 3;\n args[2] = (c.buffer || c).slice( 0, c.byteLength - tl ),\n a.tag = (c.buffer || c).slice( c.byteLength - tl );\n }\n\n args[1] = b._key;\n\n var op;\n try {\n op = _fn.apply( _subtle, args );\n }\n catch ( e ) {\n return Promise.reject(e);\n }\n\n if ( isIE ) {\n op = new Promise( function ( res, rej ) {\n op.onabort =\n op.onerror = function ( e ) {\n rej(e);\n };\n\n op.oncomplete = function ( r ) {\n var r = r.target.result;\n\n if ( m === 'encrypt' && r instanceof AesGcmEncryptResult ) {\n var c = r.ciphertext, t = r.tag;\n r = new Uint8Array( c.byteLength + t.byteLength );\n r.set( new Uint8Array(c), 0 );\n r.set( new Uint8Array(t), c.byteLength );\n r = r.buffer;\n }\n\n res(r);\n };\n });\n }\n\n return op;\n }\n });\n\n if ( isIE ) {\n var _digest = _subtle.digest;\n\n _subtle['digest'] = function ( a, b ) {\n if ( !b.byteLength )\n throw new Error(\"Empy input is not allowed\");\n\n var op;\n try {\n op = _digest.call( _subtle, a, b );\n }\n catch ( e ) {\n return Promise.reject(e);\n }\n\n op = new Promise( function ( res, rej ) {\n op.onabort =\n op.onerror = function ( e ) { rej(e) };\n op.oncomplete = function ( r ) { res(r.target.result) };\n });\n\n return op;\n };\n\n global.crypto = Object.create( _crypto, {\n getRandomValues: { value: function ( a ) { return _crypto.getRandomValues(a) } },\n subtle: { value: _subtle },\n });\n\n global.CryptoKey = CryptoKey;\n }\n\n if ( isWebkit ) {\n _crypto.subtle = _subtle;\n\n global.Crypto = _Crypto;\n global.SubtleCrypto = _SubtleCrypto;\n global.CryptoKey = CryptoKey;\n }\n}));\n"]} | ||
| 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* @file Web Cryptography API shim\n * @author Artem S Vybornov <vybornov@gmail.com>\n * @license MIT\n */\n(function (global, factory) {\n if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define([], function () {\n return factory(global);\n });\n } else if (typeof module === 'object' && module.exports) {\n // CommonJS-like environments that support module.exports\n module.exports = factory(global);\n } else {\n factory(global);\n }\n}(typeof self !== 'undefined' ? self : this, function (global) {\n 'use strict';\n\n if ( typeof Promise !== 'function' )\n throw \"Promise support required\";\n\n var _crypto = global.crypto || global.msCrypto;\n if ( !_crypto ) return;\n\n var _subtle = _crypto.subtle || _crypto.webkitSubtle;\n if ( !_subtle ) return;\n\n var _Crypto = global.Crypto || _crypto.constructor || Object,\n _SubtleCrypto = global.SubtleCrypto || _subtle.constructor || Object,\n _CryptoKey = global.CryptoKey || global.Key || Object;\n\n var isEdge = global.navigator.userAgent.indexOf('Edge/') > -1;\n var isIE = !!global.msCrypto && !isEdge;\n var isWebkit = !_crypto.subtle && !!_crypto.webkitSubtle;\n if ( !isIE && !isWebkit ) return;\n\n function s2a ( s ) {\n return btoa(s).replace(/\\=+$/, '').replace(/\\+/g, '-').replace(/\\//g, '_');\n }\n\n function a2s ( s ) {\n s += '===', s = s.slice( 0, -s.length % 4 );\n return atob( s.replace(/-/g, '+').replace(/_/g, '/') );\n }\n\n function s2b ( s ) {\n var b = new Uint8Array(s.length);\n for ( var i = 0; i < s.length; i++ ) b[i] = s.charCodeAt(i);\n return b;\n }\n\n function b2s ( b ) {\n if ( b instanceof ArrayBuffer ) b = new Uint8Array(b);\n return String.fromCharCode.apply( String, b );\n }\n\n function alg ( a ) {\n var r = { 'name': (a.name || a || '').toUpperCase().replace('V','v') };\n switch ( r.name ) {\n case 'SHA-1':\n case 'SHA-256':\n case 'SHA-384':\n case 'SHA-512':\n break;\n case 'AES-CBC':\n case 'AES-GCM':\n case 'AES-KW':\n if ( a.length ) r['length'] = a.length;\n break;\n case 'HMAC':\n if ( a.hash ) r['hash'] = alg(a.hash);\n if ( a.length ) r['length'] = a.length;\n break;\n case 'RSAES-PKCS1-v1_5':\n if ( a.publicExponent ) r['publicExponent'] = new Uint8Array(a.publicExponent);\n if ( a.modulusLength ) r['modulusLength'] = a.modulusLength;\n break;\n case 'RSASSA-PKCS1-v1_5':\n case 'RSA-OAEP':\n if ( a.hash ) r['hash'] = alg(a.hash);\n if ( a.publicExponent ) r['publicExponent'] = new Uint8Array(a.publicExponent);\n if ( a.modulusLength ) r['modulusLength'] = a.modulusLength;\n break;\n default:\n throw new SyntaxError(\"Bad algorithm name\");\n }\n return r;\n };\n\n function jwkAlg ( a ) {\n return {\n 'HMAC': {\n 'SHA-1': 'HS1',\n 'SHA-256': 'HS256',\n 'SHA-384': 'HS384',\n 'SHA-512': 'HS512',\n },\n 'RSASSA-PKCS1-v1_5': {\n 'SHA-1': 'RS1',\n 'SHA-256': 'RS256',\n 'SHA-384': 'RS384',\n 'SHA-512': 'RS512',\n },\n 'RSAES-PKCS1-v1_5': {\n '': 'RSA1_5',\n },\n 'RSA-OAEP': {\n 'SHA-1': 'RSA-OAEP',\n 'SHA-256': 'RSA-OAEP-256',\n },\n 'AES-KW': {\n '128': 'A128KW',\n '192': 'A192KW',\n '256': 'A256KW',\n },\n 'AES-GCM': {\n '128': 'A128GCM',\n '192': 'A192GCM',\n '256': 'A256GCM',\n },\n 'AES-CBC': {\n '128': 'A128CBC',\n '192': 'A192CBC',\n '256': 'A256CBC',\n },\n }[a.name][ ( a.hash || {} ).name || a.length || '' ];\n }\n\n function b2jwk ( k ) {\n if ( k instanceof ArrayBuffer || k instanceof Uint8Array ) k = JSON.parse( decodeURIComponent( escape( b2s(k) ) ) );\n var jwk = { 'kty': k.kty, 'alg': k.alg, 'ext': k.ext || k.extractable };\n switch ( jwk.kty ) {\n case 'oct':\n jwk.k = k.k;\n case 'RSA':\n [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi', 'oth' ].forEach( function ( x ) { if ( x in k ) jwk[x] = k[x] } );\n break;\n default:\n throw new TypeError(\"Unsupported key type\");\n }\n return jwk;\n }\n\n function jwk2b ( k ) {\n var jwk = b2jwk(k);\n if ( isIE ) jwk['extractable'] = jwk.ext, delete jwk.ext;\n return s2b( unescape( encodeURIComponent( JSON.stringify(jwk) ) ) ).buffer;\n }\n\n function pkcs2jwk ( k ) {\n var info = b2der(k), prv = false;\n if ( info.length > 2 ) prv = true, info.shift(); // remove version from PKCS#8 PrivateKeyInfo structure\n var jwk = { 'ext': true };\n switch ( info[0][0] ) {\n case '1.2.840.113549.1.1.1':\n var rsaComp = [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi' ],\n rsaKey = b2der( info[1] );\n if ( prv ) rsaKey.shift(); // remove version from PKCS#1 RSAPrivateKey structure\n for ( var i = 0; i < rsaKey.length; i++ ) {\n if ( !rsaKey[i][0] ) rsaKey[i] = rsaKey[i].subarray(1);\n jwk[ rsaComp[i] ] = s2a( b2s( rsaKey[i] ) );\n }\n jwk['kty'] = 'RSA';\n break;\n default:\n throw new TypeError(\"Unsupported key type\");\n }\n return jwk;\n }\n\n function jwk2pkcs ( k ) {\n var key, info = [ [ '', null ] ], prv = false;\n switch ( k.kty ) {\n case 'RSA':\n var rsaComp = [ 'n', 'e', 'd', 'p', 'q', 'dp', 'dq', 'qi' ],\n rsaKey = [];\n for ( var i = 0; i < rsaComp.length; i++ ) {\n if ( !( rsaComp[i] in k ) ) break;\n var b = rsaKey[i] = s2b( a2s( k[ rsaComp[i] ] ) );\n if ( b[0] & 0x80 ) rsaKey[i] = new Uint8Array(b.length + 1), rsaKey[i].set( b, 1 );\n }\n if ( rsaKey.length > 2 ) prv = true, rsaKey.unshift( new Uint8Array([0]) ); // add version to PKCS#1 RSAPrivateKey structure\n info[0][0] = '1.2.840.113549.1.1.1';\n key = rsaKey;\n break;\n default:\n throw new TypeError(\"Unsupported key type\");\n }\n info.push( new Uint8Array( der2b(key) ).buffer );\n if ( !prv ) info[1] = { 'tag': 0x03, 'value': info[1] };\n else info.unshift( new Uint8Array([0]) ); // add version to PKCS#8 PrivateKeyInfo structure\n return new Uint8Array( der2b(info) ).buffer;\n }\n\n var oid2str = { 'KoZIhvcNAQEB': '1.2.840.113549.1.1.1' },\n str2oid = { '1.2.840.113549.1.1.1': 'KoZIhvcNAQEB' };\n\n function b2der ( buf, ctx ) {\n if ( buf instanceof ArrayBuffer ) buf = new Uint8Array(buf);\n if ( !ctx ) ctx = { pos: 0, end: buf.length };\n\n if ( ctx.end - ctx.pos < 2 || ctx.end > buf.length ) throw new RangeError(\"Malformed DER\");\n\n var tag = buf[ctx.pos++],\n len = buf[ctx.pos++];\n\n if ( len >= 0x80 ) {\n len &= 0x7f;\n if ( ctx.end - ctx.pos < len ) throw new RangeError(\"Malformed DER\");\n for ( var xlen = 0; len--; ) xlen <<= 8, xlen |= buf[ctx.pos++];\n len = xlen;\n }\n\n if ( ctx.end - ctx.pos < len ) throw new RangeError(\"Malformed DER\");\n\n var rv;\n\n switch ( tag ) {\n case 0x02: // Universal Primitive INTEGER\n rv = buf.subarray( ctx.pos, ctx.pos += len );\n break;\n case 0x03: // Universal Primitive BIT STRING\n if ( buf[ctx.pos++] ) throw new Error( \"Unsupported bit string\" );\n len--;\n case 0x04: // Universal Primitive OCTET STRING\n rv = new Uint8Array( buf.subarray( ctx.pos, ctx.pos += len ) ).buffer;\n break;\n case 0x05: // Universal Primitive NULL\n rv = null;\n break;\n case 0x06: // Universal Primitive OBJECT IDENTIFIER\n var oid = btoa( b2s( buf.subarray( ctx.pos, ctx.pos += len ) ) );\n if ( !( oid in oid2str ) ) throw new Error( \"Unsupported OBJECT ID \" + oid );\n rv = oid2str[oid];\n break;\n case 0x30: // Universal Constructed SEQUENCE\n rv = [];\n for ( var end = ctx.pos + len; ctx.pos < end; ) rv.push( b2der( buf, ctx ) );\n break;\n default:\n throw new Error( \"Unsupported DER tag 0x\" + tag.toString(16) );\n }\n\n return rv;\n }\n\n function der2b ( val, buf ) {\n if ( !buf ) buf = [];\n\n var tag = 0, len = 0,\n pos = buf.length + 2;\n\n buf.push( 0, 0 ); // placeholder\n\n if ( val instanceof Uint8Array ) { // Universal Primitive INTEGER\n tag = 0x02, len = val.length;\n for ( var i = 0; i < len; i++ ) buf.push( val[i] );\n }\n else if ( val instanceof ArrayBuffer ) { // Universal Primitive OCTET STRING\n tag = 0x04, len = val.byteLength, val = new Uint8Array(val);\n for ( var i = 0; i < len; i++ ) buf.push( val[i] );\n }\n else if ( val === null ) { // Universal Primitive NULL\n tag = 0x05, len = 0;\n }\n else if ( typeof val === 'string' && val in str2oid ) { // Universal Primitive OBJECT IDENTIFIER\n var oid = s2b( atob( str2oid[val] ) );\n tag = 0x06, len = oid.length;\n for ( var i = 0; i < len; i++ ) buf.push( oid[i] );\n }\n else if ( val instanceof Array ) { // Universal Constructed SEQUENCE\n for ( var i = 0; i < val.length; i++ ) der2b( val[i], buf );\n tag = 0x30, len = buf.length - pos;\n }\n else if ( typeof val === 'object' && val.tag === 0x03 && val.value instanceof ArrayBuffer ) { // Tag hint\n val = new Uint8Array(val.value), tag = 0x03, len = val.byteLength;\n buf.push(0); for ( var i = 0; i < len; i++ ) buf.push( val[i] );\n len++;\n }\n else {\n throw new Error( \"Unsupported DER value \" + val );\n }\n\n if ( len >= 0x80 ) {\n var xlen = len, len = 4;\n buf.splice( pos, 0, (xlen >> 24) & 0xff, (xlen >> 16) & 0xff, (xlen >> 8) & 0xff, xlen & 0xff );\n while ( len > 1 && !(xlen >> 24) ) xlen <<= 8, len--;\n if ( len < 4 ) buf.splice( pos, 4 - len );\n len |= 0x80;\n }\n\n buf.splice( pos - 2, 2, tag, len );\n\n return buf;\n }\n\n function CryptoKey ( key, alg, ext, use ) {\n Object.defineProperties( this, {\n _key: {\n value: key\n },\n type: {\n value: key.type,\n enumerable: true,\n },\n extractable: {\n value: (ext === undefined) ? key.extractable : ext,\n enumerable: true,\n },\n algorithm: {\n value: (alg === undefined) ? key.algorithm : alg,\n enumerable: true,\n },\n usages: {\n value: (use === undefined) ? key.usages : use,\n enumerable: true,\n },\n });\n }\n\n function isPubKeyUse ( u ) {\n return u === 'verify' || u === 'encrypt' || u === 'wrapKey';\n }\n\n function isPrvKeyUse ( u ) {\n return u === 'sign' || u === 'decrypt' || u === 'unwrapKey';\n }\n\n [ 'generateKey', 'importKey', 'unwrapKey' ]\n .forEach( function ( m ) {\n var _fn = _subtle[m];\n\n _subtle[m] = function ( a, b, c ) {\n var args = [].slice.call(arguments),\n ka, kx, ku;\n\n switch ( m ) {\n case 'generateKey':\n ka = alg(a), kx = b, ku = c;\n break;\n case 'importKey':\n ka = alg(c), kx = args[3], ku = args[4];\n if ( a === 'jwk' ) {\n b = b2jwk(b);\n if ( !b.alg ) b.alg = jwkAlg(ka);\n if ( !b.key_ops ) b.key_ops = ( b.kty !== 'oct' ) ? ( 'd' in b ) ? ku.filter(isPrvKeyUse) : ku.filter(isPubKeyUse) : ku.slice();\n args[1] = jwk2b(b);\n }\n break;\n case 'unwrapKey':\n ka = args[4], kx = args[5], ku = args[6];\n args[2] = c._key;\n break;\n }\n\n if ( m === 'generateKey' && ka.name === 'HMAC' && ka.hash ) {\n ka.length = ka.length || { 'SHA-1': 512, 'SHA-256': 512, 'SHA-384': 1024, 'SHA-512': 1024 }[ka.hash.name];\n return _subtle.importKey( 'raw', _crypto.getRandomValues( new Uint8Array( (ka.length+7)>>3 ) ), ka, kx, ku );\n }\n\n if ( isWebkit && m === 'generateKey' && ka.name === 'RSASSA-PKCS1-v1_5' && ( !ka.modulusLength || ka.modulusLength >= 2048 ) ) {\n a = alg(a), a.name = 'RSAES-PKCS1-v1_5', delete a.hash;\n return _subtle.generateKey( a, true, [ 'encrypt', 'decrypt' ] )\n .then( function ( k ) {\n return Promise.all([\n _subtle.exportKey( 'jwk', k.publicKey ),\n _subtle.exportKey( 'jwk', k.privateKey ),\n ]);\n })\n .then( function ( keys ) {\n keys[0].alg = keys[1].alg = jwkAlg(ka);\n keys[0].key_ops = ku.filter(isPubKeyUse), keys[1].key_ops = ku.filter(isPrvKeyUse);\n return Promise.all([\n _subtle.importKey( 'jwk', keys[0], ka, true, keys[0].key_ops ),\n _subtle.importKey( 'jwk', keys[1], ka, kx, keys[1].key_ops ),\n ]);\n })\n .then( function ( keys ) {\n return {\n publicKey: keys[0],\n privateKey: keys[1],\n };\n });\n }\n\n if ( ( isWebkit || ( isIE && ( ka.hash || {} ).name === 'SHA-1' ) )\n && m === 'importKey' && a === 'jwk' && ka.name === 'HMAC' && b.kty === 'oct' ) {\n return _subtle.importKey( 'raw', s2b( a2s(b.k) ), c, args[3], args[4] );\n }\n\n if ( isWebkit && m === 'importKey' && ( a === 'spki' || a === 'pkcs8' ) ) {\n return _subtle.importKey( 'jwk', pkcs2jwk(b), c, args[3], args[4] );\n }\n\n if ( isIE && m === 'unwrapKey' ) {\n return _subtle.decrypt( args[3], c, b )\n .then( function ( k ) {\n return _subtle.importKey( a, k, args[4], args[5], args[6] );\n });\n }\n\n var op;\n try {\n op = _fn.apply( _subtle, args );\n }\n catch ( e ) {\n return Promise.reject(e);\n }\n\n if ( isIE ) {\n op = new Promise( function ( res, rej ) {\n op.onabort =\n op.onerror = function ( e ) { rej(e) };\n op.oncomplete = function ( r ) { res(r.target.result) };\n });\n }\n\n op = op.then( function ( k ) {\n if ( ka.name === 'HMAC' ) {\n if ( !ka.length ) ka.length = 8 * k.algorithm.length;\n }\n if ( ka.name.search('RSA') == 0 ) {\n if ( !ka.modulusLength ) ka.modulusLength = (k.publicKey || k).algorithm.modulusLength;\n if ( !ka.publicExponent ) ka.publicExponent = (k.publicKey || k).algorithm.publicExponent;\n }\n if ( k.publicKey && k.privateKey ) {\n k = {\n publicKey: new CryptoKey( k.publicKey, ka, kx, ku.filter(isPubKeyUse) ),\n privateKey: new CryptoKey( k.privateKey, ka, kx, ku.filter(isPrvKeyUse) ),\n };\n }\n else {\n k = new CryptoKey( k, ka, kx, ku );\n }\n return k;\n });\n\n return op;\n }\n });\n\n [ 'exportKey', 'wrapKey' ]\n .forEach( function ( m ) {\n var _fn = _subtle[m];\n\n _subtle[m] = function ( a, b, c ) {\n var args = [].slice.call(arguments);\n\n switch ( m ) {\n case 'exportKey':\n args[1] = b._key;\n break;\n case 'wrapKey':\n args[1] = b._key, args[2] = c._key;\n break;\n }\n\n if ( ( isWebkit || ( isIE && ( b.algorithm.hash || {} ).name === 'SHA-1' ) )\n && m === 'exportKey' && a === 'jwk' && b.algorithm.name === 'HMAC' ) {\n args[0] = 'raw';\n }\n\n if ( isWebkit && m === 'exportKey' && ( a === 'spki' || a === 'pkcs8' ) ) {\n args[0] = 'jwk';\n }\n\n if ( isIE && m === 'wrapKey' ) {\n return _subtle.exportKey( a, b )\n .then( function ( k ) {\n if ( a === 'jwk' ) k = s2b( unescape( encodeURIComponent( JSON.stringify( b2jwk(k) ) ) ) );\n return _subtle.encrypt( args[3], c, k );\n });\n }\n\n var op;\n try {\n op = _fn.apply( _subtle, args );\n }\n catch ( e ) {\n return Promise.reject(e);\n }\n\n if ( isIE ) {\n op = new Promise( function ( res, rej ) {\n op.onabort =\n op.onerror = function ( e ) { rej(e) };\n op.oncomplete = function ( r ) { res(r.target.result) };\n });\n }\n\n if ( m === 'exportKey' && a === 'jwk' ) {\n op = op.then( function ( k ) {\n if ( ( isWebkit || ( isIE && ( b.algorithm.hash || {} ).name === 'SHA-1' ) )\n && b.algorithm.name === 'HMAC') {\n return { 'kty': 'oct', 'alg': jwkAlg(b.algorithm), 'key_ops': b.usages.slice(), 'ext': true, 'k': s2a( b2s(k) ) };\n }\n k = b2jwk(k);\n if ( !k.alg ) k['alg'] = jwkAlg(b.algorithm);\n if ( !k.key_ops ) k['key_ops'] = ( b.type === 'public' ) ? b.usages.filter(isPubKeyUse) : ( b.type === 'private' ) ? b.usages.filter(isPrvKeyUse) : b.usages.slice();\n return k;\n });\n }\n\n if ( isWebkit && m === 'exportKey' && ( a === 'spki' || a === 'pkcs8' ) ) {\n op = op.then( function ( k ) {\n k = jwk2pkcs( b2jwk(k) );\n return k;\n });\n }\n\n return op;\n }\n });\n\n [ 'encrypt', 'decrypt', 'sign', 'verify' ]\n .forEach( function ( m ) {\n var _fn = _subtle[m];\n\n _subtle[m] = function ( a, b, c, d ) {\n if ( isIE && ( !c.byteLength || ( d && !d.byteLength ) ) )\n throw new Error(\"Empty input is not allowed\");\n\n var args = [].slice.call(arguments),\n ka = alg(a);\n\n if ( isIE && ( m === 'sign' || m === 'verify') && ( a === 'RSASSA-PKCS1-v1_5' || a === 'HMAC' ) ) {\n args[0] = { name: a };\n }\n\n if ( isIE && b.algorithm.hash ) {\n args[0].hash = args[0].hash || b.algorithm.hash;\n }\n\n if ( isIE && m === 'decrypt' && ka.name === 'AES-GCM' ) {\n var tl = a.tagLength >> 3;\n args[2] = (c.buffer || c).slice( 0, c.byteLength - tl ),\n a.tag = (c.buffer || c).slice( c.byteLength - tl );\n }\n\n if ( isIE && ka.name === 'AES-GCM' && args[0].tagLength === undefined ) {\n args[0].tagLength = 128;\n }\n\n args[1] = b._key;\n\n var op;\n try {\n op = _fn.apply( _subtle, args );\n }\n catch ( e ) {\n return Promise.reject(e);\n }\n\n if ( isIE ) {\n op = new Promise( function ( res, rej ) {\n op.onabort =\n op.onerror = function ( e ) {\n rej(e);\n };\n\n op.oncomplete = function ( r ) {\n var r = r.target.result;\n\n if ( m === 'encrypt' && r instanceof AesGcmEncryptResult ) {\n var c = r.ciphertext, t = r.tag;\n r = new Uint8Array( c.byteLength + t.byteLength );\n r.set( new Uint8Array(c), 0 );\n r.set( new Uint8Array(t), c.byteLength );\n r = r.buffer;\n }\n\n res(r);\n };\n });\n }\n\n return op;\n }\n });\n\n if ( isIE ) {\n var _digest = _subtle.digest;\n\n _subtle['digest'] = function ( a, b ) {\n if ( !b.byteLength )\n throw new Error(\"Empty input is not allowed\");\n\n var op;\n try {\n op = _digest.call( _subtle, a, b );\n }\n catch ( e ) {\n return Promise.reject(e);\n }\n\n op = new Promise( function ( res, rej ) {\n op.onabort =\n op.onerror = function ( e ) { rej(e) };\n op.oncomplete = function ( r ) { res(r.target.result) };\n });\n\n return op;\n };\n\n global.crypto = Object.create( _crypto, {\n getRandomValues: { value: function ( a ) { return _crypto.getRandomValues(a) } },\n subtle: { value: _subtle },\n });\n\n global.CryptoKey = CryptoKey;\n }\n\n if ( isWebkit ) {\n _crypto.subtle = _subtle;\n\n global.Crypto = _Crypto;\n global.SubtleCrypto = _SubtleCrypto;\n global.CryptoKey = CryptoKey;\n }\n}));\n"]} |
New alerts
Long strings
Supply chain riskContains long string literals, which may be a sign of obfuscated or packed code.
Found 1 instance in 1 package
Fixed alerts
Long strings
Supply chain riskContains long string literals, which may be a sign of obfuscated or packed code.
Found 1 instance in 1 package
Improved metrics
- Total package byte prevSize
436390
0.13%- Lines of code
4398
0.25%No dependency changes