WIP: Protect SMP question

Author: chadsec1

core/crypto.py

@@ -85,7 +85,7 @@ def otp_encrypt_with_padding(plaintext: bytes, key: bytes, padding_limit: int) -
 
     Args:
         plaintext: Data to encrypt.
-        key: OTP key (≥ plaintext length + padding).
+        key: OTP key (>= plaintext length + padding).
         padding_limit: Max padding length.
 
     Returns:
@@ -105,7 +105,7 @@ def otp_decrypt_with_padding(ciphertext: bytes, key: bytes) -> bytes:
 
     Args:
         ciphertext: Ciphertext bytes.
-        key: OTP key (≥ ciphertext length).
+        key: OTP key (>= ciphertext length).
 
     Returns:
         Original plaintext bytes without padding.
@@ -175,7 +175,7 @@ def decrypt_shared_secrets(ciphertext_blob: bytes, private_key: bytes, algorithm
             shared_secrets += shared_secret
             cursor += cipher_size
 
-    return shared_secrets[:otp_pad_size]
+    return shared_secrets #[:otp_pad_size]
 
 def generate_shared_secrets(public_key: bytes, algorithm: str = None, otp_pad_size: int = OTP_PAD_SIZE):
     """

logic/background_worker.py

@@ -32,7 +32,10 @@ def background_worker(user_data, user_data_lock, ui_queue, stop_flag):
         # logger.debug("Data received: %s", json.dumps(response, indent = 2)[:2000])
 
         for message in response["messages"]:
-            logger.debug("Received data message: %s", json.dumps(message, indent = 2)[:5000])
+            try:
+                logger.debug("Received data message: %s", json.dumps(message, indent = 2)[:5000])
+            except:
+                print("################# ", message)
 
             # Sanity check universal message fields
             if (not "sender" in message) or (not message["sender"].isdigit()) or (len(message["sender"]) != 16):

logic/contacts.py

@@ -59,6 +59,12 @@ def save_contact(user_data: dict, user_data_lock, contact_id: str) -> None:
                     "our_nonce": None,
                     "contact_nonce": None,
                     "smp_step": None,
+                    "tmp_proof": None,
+                    "contact_kem_public_key": None,
+                    "our_kem_keys": {
+                        "private_key": None,
+                        "public_key": None
+                    }
                 },
                 "ephemeral_keys": {
                     "contact_public_keys": {