![]() However, this is not the case in this tutorial since we don’t have the sender or the receiver of the message, hence we are getting the knowledge on the use of a signature, signing a message, and verifying the signature. On the recipient’s side, which is peer B, it is going to decrypt the message using the private key and then verify the signature of the message using the public key of peer A which is the sender of the message. I have server written in python and client in C.Their job is to send a secret message from server to client which is encrypted with RSA private key.I am using openssl/rsa.h library, that is I initialize a rsa object with a private key and encrypte a message with RSApublicencrypt(lengthofmessage, 'Secret Message', to, rsa, RSAPKCS1PADDING). However, this method is signed using the private key of peer A, which is the peer sending the message. When peer A is sending a message to peer B, the message should be encrypted using the public key of peer B. If you have two peers i.e, peer A talking to peer B. In this tutorial, we have encrypted a message using a public key and signed it using our private key. With that, you can enter your message, encrypt, and then decrypt it. If verify(text, signature, publicKey): print(Successfully verified signature) else: print( 'The message signature could not be verified')
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