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import hashlib from cryptography.hazmat.primitives.asymmetric import ec, rsa from cryptography.hazmat.primitives import serialization, hashes from cryptography.hazmat.primitives.asymmetric import padding # Generate ECC private key private_key = ec.generate_private_key(ec.SECP256R1()) # Generate RSA-512 public key rsa_private_key = rsa.generate_private_key( public_exponent=65537, key_size=512 ) rsa_public_key = rsa_private_key.public_key() # Cryptocurrency Transaction def send_cryptocurrency(recipient, amount): # Serialize ECC private key private_key_pem = private_key.private_bytes( encoding=serialization.Encoding.PEM, format=serialization.PrivateFormat.PKCS8, encryption_algorithm=serialization.NoEncryption() ) # Load ECC private key loaded_private_key = serialization.load_pem_private_key( private_key_pem, password=None ) # Serialize RSA-512 public key rsa_public_key_pem = rsa_public_key.public_bytes( encoding=serialization.Encoding.PEM, format=serialization.PublicFormat.SubjectPublicKeyInfo ) # Encrypt recipient and amount using RSA-512 public key encrypted_recipient = rsa_public_key.encrypt( recipient.encode(), padding.OAEP( mgf=padding.MGF1(algorithm=hashes.SHA256()), algorithm=hashes.SHA256(), label=None ) ) encrypted_amount = rsa_public_key.encrypt( str(amount).encode(), padding.OAEP( mgf=padding.MGF1(algorithm=hashes.SHA256()), algorithm=hashes.SHA256(), label=None ) ) # Sign the encrypted recipient and amount using ECC private key signature = loaded_private_key.sign( encrypted_recipient + encrypted_amount, ec.ECDSA(hashes.SHA256()) ) # Simulate cryptocurrency transaction transaction_successful = True # Placeholder transaction success if transaction_successful: return encrypted_recipient, encrypted_amount, signature else: return None # Example usage def main(): recipient = "recipientAddress" amount = 10.0 # Cryptocurrency Transaction transaction_data = send_cryptocurrency(recipient, amount) if transaction_data: encrypted_recipient, encrypted_amount, signature = transaction_data print("Encrypted Recipient:", encrypted_recipient) print("Encrypted Amount:", encrypted_amount) print("Signature:", signature) print("Cryptocurrency transaction successful!") else: print("Cryptocurrency transaction failed.") if __name__ == "__main__": main()
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