diff --git a/src/Core/Abstractions/ICryptoService.cs b/src/Core/Abstractions/ICryptoService.cs
index 4bebc3ea9..529e6e835 100644
--- a/src/Core/Abstractions/ICryptoService.cs
+++ b/src/Core/Abstractions/ICryptoService.cs
@@ -12,6 +12,7 @@ namespace Bit.Core.Abstractions
         Task SetUserKeyAsync(UserKey userKey);
         Task<UserKey> GetUserKeyAsync(string userId = null);
         Task<bool> HasUserKeyAsync(string userId = null);
+        Task<UserKey> MakeUserKeyAsync();
         Task ClearUserKeyAsync(string userId = null);
         Task SetMasterKeyEncryptedUserKeyAsync(string value, string userId = null);
         Task SetMasterKeyAsync(MasterKey masterKey, string userId = null);
diff --git a/src/Core/Services/CryptoService.cs b/src/Core/Services/CryptoService.cs
index fcd15b367..50a50b48d 100644
--- a/src/Core/Services/CryptoService.cs
+++ b/src/Core/Services/CryptoService.cs
@@ -51,6 +51,11 @@ namespace Bit.Core.Services
             return await GetUserKeyAsync(userId) != null;
         }
 
+        public async Task<UserKey> MakeUserKeyAsync()
+        {
+            return new UserKey(await _cryptoFunctionService.RandomBytesAsync(64));
+        }
+
         public async Task ClearUserKeyAsync(string userId = null)
         {
             await _stateService.SetUserKeyAsync(null, userId);