diff --git a/submodules/MtProtoKit/PublicHeaders/MtProtoKit/MTKeychain.h b/submodules/MtProtoKit/PublicHeaders/MtProtoKit/MTKeychain.h
index 8bded10053..1402fb9127 100644
--- a/submodules/MtProtoKit/PublicHeaders/MtProtoKit/MTKeychain.h
+++ b/submodules/MtProtoKit/PublicHeaders/MtProtoKit/MTKeychain.h
@@ -10,3 +10,9 @@
 - (void)removeObjectForKey:(NSString *)aKey group:(NSString *)group;
 
 @end
+
+@interface MTDeprecated : NSObject
+
++ (id)unarchiveDeprecatedWithData:(NSData *)data;
+
+@end
diff --git a/submodules/MtProtoKit/Sources/MTBindKeyMessageService.m b/submodules/MtProtoKit/Sources/MTBindKeyMessageService.m
index 7b339d497d..137b2ce408 100644
--- a/submodules/MtProtoKit/Sources/MTBindKeyMessageService.m
+++ b/submodules/MtProtoKit/Sources/MTBindKeyMessageService.m
@@ -82,6 +82,10 @@
     [bindRequestData appendInt32:expiresAt];
     [bindRequestData appendTLBytes:encryptedMessage];
     
+    if (MTLogEnabled()) {
+        MTLog(@"[MTBindKeyMessageService#%p binding temp %" PRId64 " to persistent %" PRId64 "]", self, _ephemeralKey.authKeyId, _persistentKey.authKeyId);
+    }
+    
     MTOutgoingMessage *outgoingMessage = [[MTOutgoingMessage alloc] initWithData:bindRequestData.data metadata:[NSString stringWithFormat:@"auth.bindTempAuthKey"] additionalDebugDescription:nil shortMetadata:@"auth.bindTempAuthKey" messageId:bindingMessageId messageSeqNo:bindingSeqNo];
     
     return [[MTMessageTransaction alloc] initWithMessagePayload:@[outgoingMessage] prepared:nil failed:nil completion:^(NSDictionary *messageInternalIdToTransactionId, NSDictionary *messageInternalIdToPreparedMessage, __unused NSDictionary *messageInternalIdToQuickAckId) {
diff --git a/submodules/MtProtoKit/Sources/MTKeychain.m b/submodules/MtProtoKit/Sources/MTKeychain.m
index 80660fa86b..f50257e2c7 100644
--- a/submodules/MtProtoKit/Sources/MTKeychain.m
+++ b/submodules/MtProtoKit/Sources/MTKeychain.m
@@ -1 +1,18 @@
 #import <MtProtoKit/MTKeychain.h>
+
+@implementation MTDeprecated
+
++ (id)unarchiveDeprecatedWithData:(NSData *)data {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+    @try {
+        return [NSKeyedUnarchiver unarchiveObjectWithData:data];
+    } @catch(NSException *e) {
+        return nil;
+    }
+#pragma clang diagnostic pop
+}
+
+@end
+
+
diff --git a/submodules/MtProtoKit/Sources/MTProto.m b/submodules/MtProtoKit/Sources/MTProto.m
index e83566a145..725a95e696 100644
--- a/submodules/MtProtoKit/Sources/MTProto.m
+++ b/submodules/MtProtoKit/Sources/MTProto.m
@@ -865,9 +865,9 @@ static const NSUInteger MTMaxUnacknowledgedMessageCount = 64;
     }
 }
 
-- (NSString *)outgoingMessageDescription:(MTOutgoingMessage *)message messageId:(int64_t)messageId messageSeqNo:(int32_t)messageSeqNo
+- (NSString *)outgoingMessageDescription:(MTOutgoingMessage *)message messageId:(int64_t)messageId messageSeqNo:(int32_t)messageSeqNo authKeyId:(int64_t)authKeyId
 {
-    return [[NSString alloc] initWithFormat:@"%@%@ (%" PRId64 "/%" PRId32 ")", message.metadata, message.additionalDebugDescription != nil ? message.additionalDebugDescription : @"", message.messageId == 0 ? messageId : message.messageId, message.messageSeqNo == 0 ? message.messageSeqNo : messageSeqNo];
+    return [[NSString alloc] initWithFormat:@"%@%@ (%" PRId64 "/%" PRId32 " %" PRId64 ")", message.metadata, message.additionalDebugDescription != nil ? message.additionalDebugDescription : @"", message.messageId == 0 ? messageId : message.messageId, message.messageSeqNo == 0 ? message.messageSeqNo : messageSeqNo, authKeyId];
 }
 
 - (NSString *)outgoingShortMessageDescription:(MTOutgoingMessage *)message messageId:(int64_t)messageId messageSeqNo:(int32_t)messageSeqNo
@@ -1100,7 +1100,7 @@ static const NSUInteger MTMaxUnacknowledgedMessageCount = 64;
                     NSData *data = messageData;
                     
                     if (MTLogEnabled()) {
-                        NSString *messageDescription = [self outgoingMessageDescription:outgoingMessage messageId:messageId messageSeqNo:messageSeqNo];
+                        NSString *messageDescription = [self outgoingMessageDescription:outgoingMessage messageId:messageId messageSeqNo:messageSeqNo authKeyId:authKey.authKeyId];
                         MTLogWithPrefix(_getLogPrefix, @"[MTProto#%p@%p preparing %@]", self, _context, messageDescription);
                     }
                     NSString *shortMessageDescription = [self outgoingShortMessageDescription:outgoingMessage messageId:messageId messageSeqNo:messageSeqNo];
diff --git a/submodules/TelegramCore/Sources/Account/Account.swift b/submodules/TelegramCore/Sources/Account/Account.swift
index 3bd1ba3507..971e24bb3b 100644
--- a/submodules/TelegramCore/Sources/Account/Account.swift
+++ b/submodules/TelegramCore/Sources/Account/Account.swift
@@ -838,7 +838,7 @@ public func accountBackupData(postbox: Postbox) -> Signal<AccountBackupData?, No
         guard let authInfoData = transaction.keychainEntryForKey("persistent:datacenterAuthInfoById") else {
             return nil
         }
-        guard let authInfo = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSDictionary.self, from: authInfoData) else {
+        guard let authInfo = MTDeprecated.unarchiveDeprecated(with: authInfoData) as? NSDictionary else {
             return nil
         }
         guard let datacenterAuthInfo = authInfo.object(forKey: state.masterDatacenterId as NSNumber) as? MTDatacenterAuthInfo else {
diff --git a/submodules/TelegramCore/Sources/Network/Network.swift b/submodules/TelegramCore/Sources/Network/Network.swift
index 3d9ea4ca3e..2aa09fccf3 100644
--- a/submodules/TelegramCore/Sources/Network/Network.swift
+++ b/submodules/TelegramCore/Sources/Network/Network.swift
@@ -18,6 +18,10 @@ public enum ConnectionStatus: Equatable {
     case online(proxyAddress: String?)
 }
 
+public func legacy_unarchiveDeprecated(data: Data) -> Any? {
+    return MTDeprecated.unarchiveDeprecated(with: data)
+}
+
 private struct MTProtoConnectionFlags: OptionSet {
     let rawValue: Int
     
@@ -1138,12 +1142,11 @@ class Keychain: NSObject, MTKeychain {
         }
         if let data = self.get(group + ":" + aKey) {
             var result: NSDictionary?
-            MTContext.perform(objCTry: {
-                result = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSDictionary.self, from: data as Data)
-            })
+            result = MTDeprecated.unarchiveDeprecated(with: data as Data) as? NSDictionary
             if let result = result {
                 return result as? [AnyHashable : Any]
             }
+            assertionFailure("Unexpected keychain entry type")
         }
         return nil
     }
@@ -1154,10 +1157,11 @@ class Keychain: NSObject, MTKeychain {
         }
         if let data = self.get(group + ":" + aKey) {
             var result: NSNumber?
-            MTContext.perform(objCTry: {
-                result = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSNumber.self, from: data as Data)
-            })
-            return result
+            result = MTDeprecated.unarchiveDeprecated(with: data as Data) as? NSNumber
+            if let result = result {
+                return result
+            }
+            assertionFailure("Unexpected keychain entry type")
         }
         return nil
     }
diff --git a/submodules/TelegramUI/Components/Resources/FetchVideoMediaResource/Sources/FetchVideoMediaResource.swift b/submodules/TelegramUI/Components/Resources/FetchVideoMediaResource/Sources/FetchVideoMediaResource.swift
index 4702db6484..5acad8a76b 100644
--- a/submodules/TelegramUI/Components/Resources/FetchVideoMediaResource/Sources/FetchVideoMediaResource.swift
+++ b/submodules/TelegramUI/Components/Resources/FetchVideoMediaResource/Sources/FetchVideoMediaResource.swift
@@ -334,7 +334,7 @@ public func fetchVideoLibraryMediaResource(postbox: Postbox, resource: VideoLibr
                                 if let values = try? JSONDecoder().decode(MediaEditorValues.self, from: adjustmentsValue.data.makeData()) {
                                     mediaEditorValues = values
                                 }
-                            } else if let dict = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSDictionary.self, from: adjustmentsValue.data.makeData()) as? [AnyHashable : Any], let legacyAdjustments = TGVideoEditAdjustments(dictionary: dict) {
+                            } else if let dict = legacy_unarchiveDeprecated(data: adjustmentsValue.data.makeData()) as? [AnyHashable : Any], let legacyAdjustments = TGVideoEditAdjustments(dictionary: dict) {
                                 if alwaysUseModernPipeline {
                                     mediaEditorValues = MediaEditorValues(legacyAdjustments: legacyAdjustments, defaultPreset: qualityPreset)
                                 } else {
@@ -500,7 +500,7 @@ public func fetchLocalFileVideoMediaResource(postbox: Postbox, resource: LocalFi
                 if let values = try? JSONDecoder().decode(MediaEditorValues.self, from: videoAdjustments.data.makeData()) {
                     mediaEditorValues = values
                 }
-            } else if let dict = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSDictionary.self, from: videoAdjustments.data.makeData()) as? [AnyHashable : Any], let legacyAdjustments = TGVideoEditAdjustments(dictionary: dict) {
+            } else if let dict = legacy_unarchiveDeprecated(data: videoAdjustments.data.makeData()) as? [AnyHashable : Any], let legacyAdjustments = TGVideoEditAdjustments(dictionary: dict) {
                 if alwaysUseModernPipeline && !isImage {
                     mediaEditorValues = MediaEditorValues(legacyAdjustments: legacyAdjustments, defaultPreset: qualityPreset)
                 } else {
@@ -710,7 +710,7 @@ public func fetchVideoLibraryMediaResourceHash(resource: VideoLibraryMediaResour
                         adjustments = nil
                     case let .compress(adjustmentsValue):
                         if let adjustmentsValue = adjustmentsValue {
-                            if let dict = try? NSKeyedUnarchiver.unarchivedObject(ofClass: NSDictionary.self, from: adjustmentsValue.data.makeData()) as? [AnyHashable : Any], let legacyAdjustments = TGVideoEditAdjustments(dictionary: dict) {
+                            if let dict = legacy_unarchiveDeprecated(data: adjustmentsValue.data.makeData()) as? [AnyHashable : Any], let legacyAdjustments = TGVideoEditAdjustments(dictionary: dict) {
                                 adjustments = legacyAdjustments
                             }
                         }