Exemplo n.º 1
0
def decrypt(c):
	return rsa.gmpy2.powmod(rsa.mpz(c), rsa.mpz(d), rsa.mpz(n))
Exemplo n.º 2
0
def encrypt(m):
    return rsa.gmpy2.powmod(rsa.mpz(m), rsa.mpz(e), rsa.mpz(n))
Exemplo n.º 3
0
def read_n():
	global n
	f = open(sys.argv[1], 'r')
	n = f.read()
	f.close()

def read_d():
	global d
	f = open(sys.argv[2], 'r')
	d = f.read()
	f.close()



if not check_args():
	sys.exit("usage: python3 rsa_encrypt.py N PRIVATE_KEY CIPHERTEXT")

read_n()
read_d()

f = open(sys.argv[3], 'r')
length = int(f.readline())

output = str()

for i in range(0, length):
	c = rsa.mpz(f.readline())
	output += str(chr(char_code(decrypt(c))))

print(output)