diff --git a/package-lock.json b/package-lock.json
index 88c9b48b5..ba8813a49 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1260,6 +1260,11 @@
         "randomfill": "^1.0.3"
       }
     },
+    "crypto-js": {
+      "version": "3.1.9-1",
+      "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-3.1.9-1.tgz",
+      "integrity": "sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg="
+    },
     "crypto-random-string": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/crypto-random-string/-/crypto-random-string-1.0.0.tgz",
@@ -7460,7 +7465,7 @@
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
+      "integrity": "sha1-dHIq8y6WFOnCh6jQu95IteLxomM="
     },
     "source-map-resolve": {
       "version": "0.5.2",
@@ -8490,7 +8495,7 @@
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
-      "integrity": "sha1-pFBD1U9YBTFtqNYvn1CRjT2nCwo=",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "requires": {
         "isexe": "^2.0.0"
       }
diff --git a/package.json b/package.json
index cc845e6a4..d863cd015 100644
--- a/package.json
+++ b/package.json
@@ -51,6 +51,7 @@
   "dependencies": {
     "camelcase": "^4.1.0",
     "capitalize": "^1.0.0",
+    "crypto-js": "^3.1.9-1",
     "esrever": "^0.2.0",
     "fs-extra": "^5.0.0",
     "htmlspecialchars": "^1.0.5",
diff --git a/src/lib/cache/filesystem.ts b/src/lib/cache/filesystem.ts
index 44e6cdca9..3bb67b324 100644
--- a/src/lib/cache/filesystem.ts
+++ b/src/lib/cache/filesystem.ts
@@ -5,7 +5,9 @@ import {TwingEnvironment} from "../environment";
 let fs = require('fs-extra');
 let path = require('path');
 let tmp = require('tmp');
-let crypto = require('crypto');
+
+const sha256 = require('crypto-js/sha256');
+const hex = require('crypto-js/enc-hex');
 
 /**
  * Implements a cache on the filesystem.
@@ -29,7 +31,7 @@ export class TwingCacheFilesystem implements TwingCacheInterface {
     }
 
     generateKey(name: string, className: string) {
-        let hash: string = crypto.createHash('sha256').update(className).digest('hex');
+        let hash: string = hex.stringify(sha256(className));
 
         return path.join(
             this.directory,
diff --git a/src/lib/compiler.ts b/src/lib/compiler.ts
index 085ad1272..060ccc790 100644
--- a/src/lib/compiler.ts
+++ b/src/lib/compiler.ts
@@ -5,7 +5,8 @@ import {ksort} from "./helper/ksort";
 
 const substr_count = require('locutus/php/strings/substr_count');
 const addcslashes = require('locutus/php/strings/addcslashes');
-const crypto = require('crypto');
+const sha256 = require('crypto-js/sha256');
+const hex = require('crypto-js/enc-hex');
 
 export class TwingCompiler {
     private lastLine: number;
@@ -302,6 +303,6 @@ export class TwingCompiler {
     }
 
     getVarName(prefix: string = '__internal_'): string {
-        return `${prefix}${crypto.createHash('sha256').update('TwingCompiler::getVarName' + this.varNameSalt++).digest('hex')}`;
+        return `${prefix}${hex.stringify(sha256('TwingCompiler::getVarName' + this.varNameSalt++))}`;
     }
 }
diff --git a/src/lib/environment.ts b/src/lib/environment.ts
index 66521ffdf..b56ebe2a5 100644
--- a/src/lib/environment.ts
+++ b/src/lib/environment.ts
@@ -58,7 +58,8 @@ import {TwingSandboxSecurityNotAllowedTagError} from "./sandbox/security-not-all
 import {TwingSourceMapNode, TwingSourceMapNodeConstructor} from "./source-map/node";
 
 const path = require('path');
-const crypto = require('crypto');
+const sha256 = require('crypto-js/sha256');
+const hex = require('crypto-js/enc-hex');
 
 /**
  *  * Available options:
@@ -363,7 +364,7 @@ export abstract class TwingEnvironment extends EventEmitter {
     getTemplateClass(name: string, index: number = null, from: TwingSource = null) {
         let key = this.getLoader().getCacheKey(name, from) + this.optionsHash;
 
-        return this.templateClassPrefix + crypto.createHash('sha256').update(key).digest('hex') + (index === null ? '' : '_' + index);
+        return this.templateClassPrefix + hex.stringify(sha256(key)) + (index === null ? '' : '_' + index);
     }
 
     /**
@@ -535,7 +536,7 @@ return module.exports;
      */
     createTemplate(template: string) {
         let result: TwingTemplate;
-        let name = `__string_template__${crypto.createHash('sha256').update(template).digest('hex')}`;
+        let name = `__string_template__${hex.stringify(sha256(template))}`;
         let current = this.getLoader();
 
         let loader = new TwingLoaderChain([
diff --git a/src/lib/parser.ts b/src/lib/parser.ts
index 539688647..0462b63c0 100644
--- a/src/lib/parser.ts
+++ b/src/lib/parser.ts
@@ -20,7 +20,8 @@ import {push} from "./helper/push";
 
 const ctype_space = require('locutus/php/ctype/ctype_space');
 const mt_rand = require('locutus/php/math/mt_rand');
-const crypto = require('crypto');
+const sha256 = require('crypto-js/sha256');
+const hex = require('crypto-js/enc-hex');
 
 class TwingParserStackEntry {
     stream: TwingTokenStream;
@@ -65,7 +66,7 @@ export class TwingParser {
     }
 
     getVarName(prefix: string = '__internal_'): string {
-        return `${prefix}${crypto.createHash('sha256').update('TwingParser::getVarName' + this.stream.getSourceContext().getCode() + this.varNameSalt++).digest('hex')}`;
+        return `${prefix}${hex.stringify(sha256('TwingParser::getVarName' + this.stream.getSourceContext().getCode() + this.varNameSalt++))}`;
     }
 
     parse(stream: TwingTokenStream, test: Array<any> = null, dropNeedle: boolean = false): TwingNodeModule {
diff --git a/src/lib/profiler/node-visitor/profiler.ts b/src/lib/profiler/node-visitor/profiler.ts
index 775b00c84..ff8542082 100644
--- a/src/lib/profiler/node-visitor/profiler.ts
+++ b/src/lib/profiler/node-visitor/profiler.ts
@@ -7,7 +7,8 @@ import {TwingNodeBody} from "../../node/body";
 import {TwingProfilerNodeEnterProfile} from "../node/enter-profile";
 import {TwingProfilerNodeLeaveProfile} from "../node/leave-profile";
 
-const crypto = require('crypto');
+const sha256 = require('crypto-js/sha256');
+const hex = require('crypto-js/enc-hex');
 
 export class TwingProfilerNodeVisitorProfiler extends TwingBaseNodeVisitor {
     private extensionName: string;
@@ -72,7 +73,7 @@ export class TwingProfilerNodeVisitorProfiler extends TwingBaseNodeVisitor {
     }
 
     private getVarName(): string {
-        return `__internal_${crypto.createHash('sha256').update(this.extensionName).digest('hex')}`;
+        return `__internal_${hex.stringify(sha256(this.extensionName))}`;
     }
 
     getPriority() {