Merge branch 'master' into file-sys

Signed-off-by: HeshamTB <hishaminv@gmail.com>

rsa.py

@@ -25,6 +25,8 @@ P=3
 Q=4
 PHI=5
 ID=6
+FILE_HEADER = "---------- START OF RSA ENCRYPTED MESSAGE ----------"
+FILE_FOOTER = "---------- END OF RSA ENCRYPTED MESSAGE ----------"
 
 def main():
     print("hesham-rsa version ", VERSION)
@@ -58,8 +60,10 @@ def main():
                 for word in msg_list:
                     msg_encrypted = msg_encrypted + " " + hex(encrypt(word, key_public))
                 #msg_encrypted = encrypt(msg, key_public)
+                sighned_msg = sign(msg_encrypted, signing_key)
                 print("Encrypted msg: \n", msg_encrypted)
-                print("Signed: \n", sign(msg_encrypted, signing_key)) ## Adds an encrypted sig at the end of message.
+                print("Signed: \n", sighned_msg) ## Adds an encrypted sig at the end of message.
+                saveToFile(sighned_msg, "encrypted-msg.txt")
             else:
                 print("Not enough arguments")
                 print("rsa encrypt <message> <key> <signer>")
@@ -284,6 +288,14 @@ def exportKey(keyFileName):
     saveKeyFile(public_key, key[ID]+"-public")
     print("Saved public form of key {} in keys folder".format(key[ID]))
 
+def saveToFile(msg, file):
+    msg = str(msg)
+    with open(file,"w") as msg_file:
+        msg_file.writelines(FILE_HEADER + "\n")
+        msg_file.writelines(msg + "\n")
+        msg_file.writelines(FILE_FOOTER + "\n")
+
+
 def crackKey(keyName):
     print("in crack")
     key = readKeyFile(keyName)