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As long as I'm only encrypting small strings and not files. And encrypting and decrypting with them works just fine as well. Generating and importing keys works just fine. This can be a module under Crypto.Hash or an existing hash object created from any of such modules. hashAlgo ( hash object) The hash function to use. Decryption is only possible with a private RSA key. Print("Encrypted:", binascii.hexlify(encrypted))Ĭhanging buffer_size fixes the first problem (that the data I'm trying to encrypt is too large.)īut I still can't decrypt my file after encrypting it. key ( RSA key object) The key object to use to encrypt or decrypt the message. Output_file = open(file_to_encrypt + ".decrypted", "wb")ĭecrypted = crypt(ast.literal_eval(str(buffer)))Īnd generating the keys looks like this: from Crypto.Cipher import PKCS1_OAEPĮncrypted = encryptor.encrypt(msg.encode())ĭecrypted = str(crypt(ast.literal_eval(str(encrypted))))

Input_file = open(file_to_encrypt + ".encrypted", "rb") Output_file = open(file_to_encrypt + ".encrypted", "wb") My code looks like this: from Crypto.Cipher import PKCS1_OAEPįile_to_encrypt = "file_example_MP3_700KB.mp3" Second is that when I try to encrypt it as smaller buffers it just gives me an error "raise ValueError("Ciphertext with incorrect length.")" Witch i tried to solve by reading the file with a buffer. I have 2 problems, first is that I can't encrypt larger strings.

I can encrypt strings and data just fine but when trying to encrypt files it fails. I'm trying to encrypt and decrypt a file with P圜ryptodome but without success. Answer (1 of 9): What is RSA-2048 encryption RSA is one of the first practical public-key cryptosystems and is widely used for secure data transmission.