RSA Encryption & Decryption

rsa_cipher.py

#!/usr/bin/python
import sys, struct, zlib

rsa_data = {}

text = int(sys.argv[1].encode("hex"), 16)

for x in open("id_rsa.private").readlines():
  if len(x.split("=")) > 1:
    rsa_data[x.split("=")[0].rstrip()] = long("".join(x.split("=")[1].split(":")), 16)

print pow(text, rsa_data["publicExponent"], rsa_data["modulus"])

rsa_decipher.py

#!/usr/bin/python
import sys, struct, zlib

rsa_data = {}

ciphertext = int(sys.argv[1])

for x in open("id_rsa.private").readlines():
  if len(x.split("=")) > 1:
    rsa_data[x.split("=")[0].rstrip()] = long("".join(x.split("=")[1].split(":")), 16)

print ("%x" % pow(ciphertext, rsa_data["privateExponent"], rsa_data["modulus"])).decode("hex")