Pu_key = RSA.importKey(open('public.pem','r').read())Ĭiphertext = PKCS1_OAEP.new(pu_key).encrypt(message)Ĭiphertext = open('secret.txt','rb').read() Pu.write(public_key.exportKey().decode()) Pr.write(private_key.exportKey().decode()) Private_key = RSA.generate(2048) # shortened for testing The following slightly simplified code works for me: from Crypto import Cipher You should generate one keypair and use the private and public halves of that pair.
These keys don't match and thus don't work. Topaco is right: you're actually generating four keypairs, throwing away the first two, writing the private key from the third and the public key from the fourth. UnicodeDecodeError: 'charmap' codec can't decode byte 0x8d in position 30: character maps to Return codecs.charmap_decode(input,self.errors,decoding_table)
New Error: Traceback (most recent call last):įile "y:/Python/RSA/decrypt.py", line 14, in decryptįile "y:/Python/RSA/decrypt.py", line 7, in load_secure_fileįile "C:\Anaconda\lib\encodings\cp1252.py", line 23, in decode ValueError: Ciphertext with incorrect length. Raise ValueError("Ciphertext with incorrect length.") Pr_key = RSA.importKey(open('private_pem.pem','r').read())ĭecrypted_message = crypt(encrypted_text)ĮRROR: PS Y:\Python\RSA> & C:/Anaconda/python.exe y:/Python/RSA/decrypt.pyįile "y:/Python/RSA/decrypt.py", line 19, in įile "y:/Python/RSA/decrypt.py", line 17, in decryptįile "C:\Anaconda\lib\site-packages\Crypto\Cipher\PKCS1_OAEP.py", line 195, in decrypt Pu_key = RSA.importKey(open('public_pem.pem','r').read())ĭecrypt.py from Crypto.Cipher import PKCS1_OAEP Public_pem = pubKey().exportKey().decode()
Private_pem = privKEY().exportKey().decode() If anyone can shed some light on this it would be greatly appreciated.įrom import pubkey I know this is wrong as I generate the public and private key, use the public key to encrypt and private to decrypt. I believe the script thinks that the private_key it is using is not correct. I am able to read the private_key.pem in my decrypt.py script but it errors out. I am able to export the Private_key.pem, public_key.pem and even the secret.txt file. I am able to encrypt the text but when it comes to decrypting I get an error (See bottom of question). So I have created 2 files one for encryption and other for decryption.
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