From 303437435f4b6ec660a8b289055fa190e1028328 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <holden.rohrer@gmail.com>
Date: Mon, 11 Nov 2019 22:53:52 -0500
Subject: simpler rsa

---
 final/rsa-encrypt.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 final/rsa-encrypt.py

(limited to 'final/rsa-encrypt.py')

diff --git a/final/rsa-encrypt.py b/final/rsa-encrypt.py
new file mode 100644
index 0000000..05cf562
--- /dev/null
+++ b/final/rsa-encrypt.py
@@ -0,0 +1,22 @@
+p = 29
+q = 17
+n = p*q
+tot = (p-1)*(q-1)
+e = 3 # Many present strictly for convenience's sake
+
+message = 'abcdef'
+messagenum = 0
+for char in message:
+  messagenum += ord(char)
+  messagenum *= 128 # Assuming ASCII only characters
+
+messageblocks = []
+while messagenum > 0:
+  messageblocks.append(messagenum%n)
+  messagenum = (messagenum-messagenum%n)//n
+
+def encrypt_block(blk):
+  return (blk ** e) % n
+
+encrypted = [encrypt_block(block) for block in messageblocks]
+print(encrypted)
-- 
cgit 


From 0ef3d4cde99a8288339338d3ed9285a71c404236 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <holden.rohrer@gmail.com>
Date: Mon, 11 Nov 2019 23:03:23 -0500
Subject: fixed endianness bugs

---
 final/rsa-encrypt.py | 1 +
 1 file changed, 1 insertion(+)

(limited to 'final/rsa-encrypt.py')

diff --git a/final/rsa-encrypt.py b/final/rsa-encrypt.py
index 05cf562..de9ba1e 100644
--- a/final/rsa-encrypt.py
+++ b/final/rsa-encrypt.py
@@ -14,6 +14,7 @@ messageblocks = []
 while messagenum > 0:
   messageblocks.append(messagenum%n)
   messagenum = (messagenum-messagenum%n)//n
+print(messageblocks)
 
 def encrypt_block(blk):
   return (blk ** e) % n
-- 
cgit 


From eb364b5badef4afb4cc1ce370a36fd089aa61cf7 Mon Sep 17 00:00:00 2001
From: Holden Rohrer <holden.rohrer@gmail.com>
Date: Mon, 11 Nov 2019 23:18:36 -0500
Subject: added user entry (except for the hardcoded encrypted data)

---
 final/rsa-encrypt.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'final/rsa-encrypt.py')

diff --git a/final/rsa-encrypt.py b/final/rsa-encrypt.py
index de9ba1e..a15fe9d 100644
--- a/final/rsa-encrypt.py
+++ b/final/rsa-encrypt.py
@@ -1,10 +1,12 @@
-p = 29
+'''p = 29
 q = 17
 n = p*q
 tot = (p-1)*(q-1)
-e = 3 # Many present strictly for convenience's sake
+e = 3 # Many present strictly for convenience's sake'''
+n = int(input('n: '))
+e = int(input('e (make sure it\'s relatively prime to p-1 and q-1): '))
 
-message = 'abcdef'
+message = input('message:\n')
 messagenum = 0
 for char in message:
   messagenum += ord(char)
@@ -14,7 +16,6 @@ messageblocks = []
 while messagenum > 0:
   messageblocks.append(messagenum%n)
   messagenum = (messagenum-messagenum%n)//n
-print(messageblocks)
 
 def encrypt_block(blk):
   return (blk ** e) % n
-- 
cgit