def test_ElGamal(num_bit, message):
print("\n------------------------------------------------------")
# Generate random prime numbers
p = BlumBlumShub.generate_prime(num_bit)
# Test generate_keypair which returns public key ( g, p, h) and the private key (g, p, x)
public, private = ElGamal.generate_keypair(p)
print("\n------------------------------------------------------")
encrypted_msg = ElGamal.encrypt(public, message)
print("\n------------------------------------------------------")
decrypted_msg = ElGamal.decrypt(private, encrypted_msg)
print("\n------------------------------------------------------")
eve_decrypted_msg = ElGamal.eve(public, encrypted_msg)
return decrypted_msg, eve_decrypted_msg
if type_encryption == "1":
# Use Blum Blum Shub algorithm to generate random prime numbers
p = BlumBlumShub.generate_prime(num_bit)
q = BlumBlumShub.generate_prime(num_bit)
RSA.generate_keypair(p, q)
# If encryption algorithm is El-Gamal
elif type_encryption == "2":
# Use Blum Blum Shub algorithm to generate random prime number
p = BlumBlumShub.generate_prime(
num_bit) # 127 #999416681 #2860486313 #127
public, private = ElGamal.generate_keypair(p)
# Otherwise, function 2 - Encrypt a message
elif function == "2":
# Get the message from user
message = input("Please enter your message : ")
# Get the public key from user
public = input(
"Please enter the public key ( (g, p, h) for El-Gamal /(e,n) for RSA ): "
)
print(
"\n------------------------------------------------------"
)
