feat: changes on review comments

backend/src/lib/crypto/srp.ts

@@ -5,6 +5,7 @@ import nacl from "tweetnacl";
 import tweetnacl from "tweetnacl-util";
 
 import { TUserEncryptionKeys } from "@app/db/schemas";
+import { UserEncryption } from "@app/services/user/user-types";
 
 import { decryptSymmetric128BitHexKeyUTF8, encryptAsymmetric, encryptSymmetric } from "./encryption";
 
@@ -115,7 +116,7 @@ export const getUserPrivateKey = async (
     | "encryptionVersion"
   >
 ) => {
-  if (user.encryptionVersion === 1) {
+  if (user.encryptionVersion === UserEncryption.V1) {
     return decryptSymmetric128BitHexKeyUTF8({
       ciphertext: user.encryptedPrivateKey,
       iv: user.iv,
@@ -123,7 +124,12 @@ export const getUserPrivateKey = async (
       key: password.slice(0, 32).padStart(32 + (password.slice(0, 32).length - new Blob([password]).size), "0")
     });
   }
-  if (user.encryptionVersion === 2 && user.protectedKey && user.protectedKeyIV && user.protectedKeyTag) {
+  if (
+    user.encryptionVersion === UserEncryption.V2 &&
+    user.protectedKey &&
+    user.protectedKeyIV &&
+    user.protectedKeyTag
+  ) {
     const derivedKey = await argon2.hash(password, {
       salt: Buffer.from(user.salt),
       memoryCost: 65536,