[PM-2713] More conversions to crypto api

src/App/Pages/Accounts/SetPasswordPageViewModel.cs

@@ -206,9 +206,9 @@ namespace Bit.App.Pages
                     // Grab Organization Keys
                     var response = await _apiService.GetOrganizationKeysAsync(OrgId);
                     var publicKey = CoreHelpers.Base64UrlDecode(response.PublicKey);
-                    // Grab user's Encryption Key and encrypt with Org Public Key
-                    var userEncKey = await _cryptoService.GetEncKeyAsync();
-                    var encryptedKey = await _cryptoService.RsaEncryptAsync(userEncKey.Key, publicKey);
+                    // Grab User Key and encrypt with Org Public Key
+                    var userKey = await _cryptoService.GetUserKeyAsync();
+                    var encryptedKey = await _cryptoService.RsaEncryptAsync(userKey.Key, publicKey);
                     // Request
                     var resetRequest = new OrganizationUserResetPasswordEnrollmentRequest
                     {

src/App/Pages/Settings/SettingsPage/SettingsPageViewModel.cs

@@ -438,18 +438,19 @@ namespace Bit.App.Pages
                     var kdfConfig = await _stateService.GetActiveUserCustomDataAsync(a => new KdfConfig(a?.Profile));
                     var email = await _stateService.GetEmailAsync();
                     var pinKey = await _cryptoService.MakePinKeyAsync(pin, email, kdfConfig);
-                    var key = await _cryptoService.GetKeyAsync();
-                    var pinProtectedKey = await _cryptoService.EncryptAsync(key.Key, pinKey);
+                    var userKey = await _cryptoService.GetUserKeyAsync();
+                    var pinProtectedKey = await _cryptoService.EncryptAsync(userKey.Key, pinKey);
+
+                    var encPin = await _cryptoService.EncryptAsync(pin);
+                    await _stateService.SetProtectedPinAsync(encPin.EncryptedString);
 
                     if (masterPassOnRestart)
                     {
-                        var encPin = await _cryptoService.EncryptAsync(pin);
-                        await _stateService.SetProtectedPinAsync(encPin.EncryptedString);
-                        await _stateService.SetPinProtectedKeyAsync(pinProtectedKey);
+                        await _stateService.SetUserKeyPinEphemeralAsync(pinProtectedKey);
                     }
                     else
                     {
-                        await _stateService.SetPinProtectedAsync(pinProtectedKey.EncryptedString);
+                        await _stateService.SetUserKeyPinAsync(pinProtectedKey);
                     }
                 }
                 else
@@ -459,7 +460,6 @@ namespace Bit.App.Pages
             }
             if (!_pin)
             {
-                await _cryptoService.ClearPinProtectedKeyAsync();
                 await _vaultTimeoutService.ClearAsync();
             }
             BuildList();

src/Core/Abstractions/ICryptoService.cs

@@ -42,11 +42,10 @@ namespace Bit.Core.Abstractions
         Task<Tuple<string, EncString>> MakeKeyPairAsync(SymmetricCryptoKey key = null);
         Task ClearKeyPairAsync(bool memoryOnly = false, string userId = null);
         Task<PinKey> MakePinKeyAsync(string pin, string salt, KdfConfig config);
+        Task ClearPinKeysAsync(string userId = null);
         Task<UserKey> DecryptUserKeyWithPinAsync(string pin, string salt, KdfConfig kdfConfig, EncString pinProtectedUserKey = null);
         Task<MasterKey> DecryptMasterKeyWithPinAsync(string pin, string salt, KdfConfig kdfConfig, EncString pinProtectedMasterKey = null);
         Task<SymmetricCryptoKey> MakeSendKeyAsync(byte[] keyMaterial);
-        // TODO(Jake): This isn't used, delete?
-        Task ClearKeysAsync(string userId = null);
         Task<EncString> RsaEncryptAsync(byte[] data, byte[] publicKey = null);
         Task<byte[]> RsaDecryptAsync(string encValue, byte[] privateKey = null);
         Task<int> RandomNumberAsync(int min, int max);
@@ -67,15 +66,11 @@ namespace Bit.Core.Abstractions
 
 
 
-        Task ClearEncKeyAsync(bool memoryOnly = false, string userId = null);
-        Task ClearKeyAsync(string userId = null);
-        Task ClearPinProtectedKeyAsync(string userId = null);
         void ClearCache();
+
         Task<SymmetricCryptoKey> GetEncKeyAsync(SymmetricCryptoKey key = null);
         Task<SymmetricCryptoKey> GetKeyAsync(string userId = null);
-        Task<bool> HasKeyAsync(string userId = null);
         Task<Tuple<SymmetricCryptoKey, EncString>> MakeEncKeyAsync(SymmetricCryptoKey key);
-        // TODO(Jake): This isn't used, delete
         Task SetEncKeyAsync(string encKey);
         Task SetKeyAsync(SymmetricCryptoKey key);
     }

src/Core/Services/CipherService.cs

@@ -249,7 +249,7 @@ namespace Bit.Core.Services
             {
                 try
                 {
-                    var hashKey = await _cryptoService.HasKeyAsync();
+                    var hashKey = await _cryptoService.HasUserKeyAsync();
                     if (!hashKey)
                     {
                         throw new Exception("No key.");

src/Core/Services/CollectionService.cs

@@ -101,7 +101,7 @@ namespace Bit.Core.Services
             {
                 return _decryptedCollectionCache;
             }
-            var hasKey = await _cryptoService.HasKeyAsync();
+            var hasKey = await _cryptoService.HasUserKeyAsync();
             if (!hasKey)
             {
                 throw new Exception("No key.");

src/Core/Services/CryptoService.cs

@@ -428,7 +428,7 @@ namespace Bit.Core.Services
             return await StretchKeyAsync(pinKey) as PinKey;
         }
 
-        public async Task ClearPinKeys(string userId = null)
+        public async Task ClearPinKeysAsync(string userId = null)
         {
             await _stateService.SetUserKeyPinAsync(null, userId);
             await _stateService.SetUserKeyPinEphemeralAsync(null, userId);
@@ -476,20 +476,6 @@ namespace Bit.Core.Services
             return new SymmetricCryptoKey(sendKey);
         }
 
-        // TODO(Jake): This isn't used, delete?
-        public async Task ClearKeysAsync(string userId = null)
-        {
-            await Task.WhenAll(new Task[]
-            {
-                ClearUserKeyAsync(userId),
-                ClearPasswordHashAsync(userId),
-                ClearOrgKeysAsync(false, userId),
-                ClearKeyPairAsync(false, userId),
-                // TODO(Jake): replace with ClearPinKeys
-                ClearPinProtectedKeyAsync(userId)
-            });
-        }
-
         public async Task<EncString> RsaEncryptAsync(byte[] data, byte[] publicKey = null)
         {
             if (publicKey == null)
@@ -711,7 +697,7 @@ namespace Bit.Core.Services
         {
             var obj = new EncryptedObject
             {
-                Key = await GetKeyForEncryptionAsync(key),
+                Key = key ?? await GetUserKeyWithLegacySupportAsync(),
                 Iv = await _cryptoFunctionService.RandomBytesAsync(16)
             };
             obj.Data = await _cryptoFunctionService.AesEncryptAsync(data, obj.Iv, obj.Key.EncKey);
@@ -728,7 +714,7 @@ namespace Bit.Core.Services
         private async Task<string> AesDecryptToUtf8Async(EncryptionType encType, string data, string iv, string mac,
             SymmetricCryptoKey key)
         {
-            var keyForEnc = await GetKeyForEncryptionAsync(key);
+            var keyForEnc = key ?? await GetUserKeyWithLegacySupportAsync();
             var theKey = ResolveLegacyKey(encType, keyForEnc);
             if (theKey.MacKey != null && mac == null)
             {
@@ -782,7 +768,7 @@ namespace Bit.Core.Services
             SymmetricCryptoKey key)
         {
 
-            var keyForEnc = await GetKeyForEncryptionAsync(key);
+            var keyForEnc = key ?? await GetUserKeyWithLegacySupportAsync();
             var theKey = ResolveLegacyKey(encType, keyForEnc);
             if (theKey.MacKey != null && mac == null)
             {
@@ -820,19 +806,6 @@ namespace Bit.Core.Services
         }
 
 
-        private async Task<UserKey> GetUserKeyWithLegacySupport(string userId = null)
-        {
-            var userKey = await GetUserKeyAsync();
-            if (userKey != null)
-            {
-                return userKey;
-            }
-
-            // Legacy support: encryption used to be done with the master key (derived from master password).
-            // Users who have not migrated will have a null user key and must use the master key instead.
-            return (SymmetricCryptoKey)await GetMasterKeyAsync() as UserKey;
-        }
-
         private async Task<SymmetricCryptoKey> GetKeyForEncryptionAsync(SymmetricCryptoKey key = null)
         {
             if (key != null)
@@ -1159,35 +1132,8 @@ namespace Bit.Core.Services
 
 
 
-        public async Task<bool> HasKeyAsync(string userId = null)
-        {
-            var key = await GetKeyAsync(userId);
-            return key != null;
-        }
-
-        public async Task ClearKeyAsync(string userId = null)
-        {
-            await _stateService.SetKeyDecryptedAsync(null, userId);
-            _legacyEtmKey = null;
-            await _stateService.SetKeyEncryptedAsync(null, userId);
-        }
-
-
-        public async Task ClearEncKeyAsync(bool memoryOnly = false, string userId = null)
-        {
-            _encKey = null;
-            if (!memoryOnly)
-            {
-                await _stateService.SetEncKeyEncryptedAsync(null, userId);
-            }
-        }
-
 
 
-        public async Task ClearPinProtectedKeyAsync(string userId = null)
-        {
-            await _stateService.SetPinProtectedAsync(null, userId);
-        }
 
         public void ClearCache()
         {

src/Core/Services/FolderService.cs

@@ -77,7 +77,7 @@ namespace Bit.Core.Services
             {
                 return _decryptedFolderCache;
             }
-            var hasKey = await _cryptoService.HasKeyAsync();
+            var hasKey = await _cryptoService.HasUserKeyAsync();
             if (!hasKey)
             {
                 throw new Exception("No key.");

src/Core/Services/KeyConnectorService.cs

@@ -60,11 +60,11 @@ namespace Bit.Core.Services
         public async Task MigrateUser()
         {
             var organization = await GetManagingOrganization();
-            var key = await _cryptoService.GetKeyAsync();
+            var masterKey = await _cryptoService.GetMasterKeyAsync();
 
             try
             {
-                var keyConnectorRequest = new KeyConnectorUserKeyRequest(key.EncKeyB64);
+                var keyConnectorRequest = new KeyConnectorUserKeyRequest(masterKey.EncKeyB64);
                 await _apiService.PostUserKeyToKeyConnector(organization.KeyConnectorUrl, keyConnectorRequest);
             }
             catch (Exception e)

src/Core/Services/PasswordGenerationService.cs

@@ -247,7 +247,7 @@ namespace Bit.Core.Services
 
         public async Task<List<GeneratedPasswordHistory>> GetHistoryAsync()
         {
-            var hasKey = await _cryptoService.HasKeyAsync();
+            var hasKey = await _cryptoService.HasUserKeyAsync();
             if (!hasKey)
             {
                 return new List<GeneratedPasswordHistory>();
@@ -262,7 +262,7 @@ namespace Bit.Core.Services
 
         public async Task AddHistoryAsync(string password, CancellationToken token = default(CancellationToken))
         {
-            var hasKey = await _cryptoService.HasKeyAsync();
+            var hasKey = await _cryptoService.HasUserKeyAsync();
             if (!hasKey)
             {
                 return;

src/Core/Services/SendService.cs

@@ -143,7 +143,7 @@ namespace Bit.Core.Services
                 return _decryptedSendsCache;
             }
 
-            var hasKey = await _cryptoService.HasKeyAsync();
+            var hasKey = await _cryptoService.HasUserKeyAsync();
             if (!hasKey)
             {
                 throw new Exception("No Key.");

src/Core/Services/VaultTimeoutService.cs

@@ -61,7 +61,7 @@ namespace Bit.Core.Services
 
         public async Task<bool> IsLockedAsync(string userId = null)
         {
-            var hasKey = await _cryptoService.HasKeyAsync(userId);
+            var hasKey = await _cryptoService.HasUserKeyAsync(userId);
             if (hasKey)
             {
                 var biometricSet = await IsBiometricLockSetAsync(userId);
@@ -196,10 +196,10 @@ namespace Bit.Core.Services
                 }
             }
             await Task.WhenAll(
-                _cryptoService.ClearKeyAsync(userId),
+                _cryptoService.ClearUserKeyAsync(userId),
+                _cryptoService.ClearMasterKeyAsync(userId),
                 _cryptoService.ClearOrgKeysAsync(true, userId),
-                _cryptoService.ClearKeyPairAsync(true, userId),
-                _cryptoService.ClearEncKeyAsync(true, userId));
+                _cryptoService.ClearKeyPairAsync(true, userId));
 
             if (isActiveAccount)
             {
@@ -257,8 +257,7 @@ namespace Bit.Core.Services
 
         public async Task ClearAsync(string userId = null)
         {
-            await _stateService.SetPinProtectedKeyAsync(null, userId);
-            await _stateService.SetProtectedPinAsync(null, userId);
+            await _cryptoService.ClearPinKeysAsync(userId);
         }
 
         public async Task<int?> GetVaultTimeout(string userId = null)

test/Core.Test/Services/SendServiceTests.cs

@@ -145,7 +145,7 @@ namespace Bit.Core.Test.Services
             return;
 
             var sendDataDict = sendDatas.ToDictionary(d => d.Id, d => d);
-            sutProvider.GetDependency<ICryptoService>().HasKeyAsync().Returns(true);
+            sutProvider.GetDependency<ICryptoService>().HasUserKeyAsync().Returns(true);
             ServiceContainer.Register("cryptoService", sutProvider.GetDependency<ICryptoService>());
             sutProvider.GetDependency<II18nService>().StringComparer.Returns(StringComparer.CurrentCulture);
             sutProvider.GetDependency<IStateService>().GetActiveUserIdAsync().Returns(userId);