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RSA decryption of AES Session key fails with 'AttributeError: 'bytes' object has no attribute 'n'īut the answer to that question does not solve my issue. ModBits = (self._key.n)ĪttributeError: 'int' object has no attribute 'n' The session_key is actually encrypted correctly, but an AttributeError exception is always raised, with the following message: Traceback (most recent call last):įile "/usr/local/lib/python3.7/site-packages/Cryptodome/Cipher/PKCS1_OAEP.py", line 107, in encrypt The server gets the private key and uses it to encrypt a session key: data = conn.recv(271).decode()Įnc_session_key = cipher_rsa.encrypt(session_key) Public_key = key.publickey().exportKey('PEM') Key = RSA.generate(n_bin_size, None, e) # RsaKey object

Check the pycryptodomex project for the equivalent library that works under the Cryptodome package. You can install it with: pip install pycryptodome All modules are installed under the Crypto package.

It supports Python 2.7, Python 3.5 and newer, and PyPy. The client generates its RSA keys and sends the public one to a server: n_bin_size = 1024 P圜ryptodome is a self-contained Python package of low-level cryptographic primitives. I need to fix a client/server interaction based on P圜ryptodome.