diff --git a/src/services/crypto.service.ts b/src/services/crypto.service.ts
index 93dbcd3b5c..243afb66aa 100644
--- a/src/services/crypto.service.ts
+++ b/src/services/crypto.service.ts
@@ -453,13 +453,8 @@ export class CryptoService implements CryptoServiceAbstraction {
     }
 
     async sha1(password: string): Promise<string> {
-        const hash = await Crypto.subtle.digest(
-            {
-                name: 'SHA-1',
-            },
-            UtilsService.fromUtf8ToArray(password),
-        );
-
+        const passwordArr = UtilsService.fromUtf8ToArray(password);
+        const hash = await Crypto.subtle.digest({ name: 'SHA-1' }, passwordArr);
         return UtilsService.fromBufferToHex(hash);
     }
 
diff --git a/src/services/utils.service.ts b/src/services/utils.service.ts
index a1e900e761..7f692ae191 100644
--- a/src/services/utils.service.ts
+++ b/src/services/utils.service.ts
@@ -125,12 +125,10 @@ export class UtilsService implements UtilsServiceAbstraction {
         return decodeURIComponent(escape(encodedString));
     }
 
-    // Source: Frxstrem, https://stackoverflow.com/questions/40031688/javascript-arraybuffer-to-hex
+    // ref: https://stackoverflow.com/a/40031979/1090359
     static fromBufferToHex(buffer: ArrayBuffer): string {
-        return Array.prototype.map.call(
-            new Uint8Array(buffer),
-            (x: number) => ('00' + x.toString(16)).slice(-2),
-        ).join('');
+        const bytes = new Uint8Array(buffer);
+        return Array.prototype.map.call(bytes, (x: number) => ('00' + x.toString(16)).slice(-2)).join('');
     }
 
     static getHostname(uriString: string): string {