From 4de50e2390a2779a10ef850a2a5d3d7243af409f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoph=20Pr=C3=BC=C3=9Fner?=
 <christoph.pruessner@fh-bielefeld.de>
Date: Sat, 3 May 2014 13:51:00 +0200
Subject: [PATCH] removed redundant multiplication functions

---
 src/ntru_decrypt.c | 17 +++--------------
 src/ntru_decrypt.h |  2 --
 2 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/src/ntru_decrypt.c b/src/ntru_decrypt.c
index d7562a2..cfe08f4 100644
--- a/src/ntru_decrypt.c
+++ b/src/ntru_decrypt.c
@@ -20,6 +20,7 @@
  */
 
 #include "ntru_decrypt.h"
+#include "poly.h"
 
 /*
  * Legend
@@ -38,7 +39,7 @@
 int ntru_decrypt(char *encr_msg, pb_poly *private_key, ntru_context *context, char ** decr_msg){
 	// toDo q = ?, p = ?, fp = ?
 
-	pb_poly *a = first_multiply(private_key, encr_msg, q);// StarMultiply(f, e, a, N, q)
+	//toDO StarMultiply(f, e, a, N, q)
 
 	for(int i = 0, i < N, i++){
 		if(a[i] < 0 ) {
@@ -48,20 +49,8 @@ int ntru_decrypt(char *encr_msg, pb_poly *private_key, ntru_context *context, ch
 			a[i] = a[i] - q // Shift coefficients of a into range (−q/2, q/2)
 		}
 	}
-	char* d = second_multiply(a, fp, p)// StarMultiply(a, Fp , d, N, p)
+	//toDo StarMultiply(a, Fp , d, N, p)
 
 	// {Decode returns the decrypted message, d, through the argument list.}
 	return d;
 }
-
-// toDo fix header file definition and types if needed!
-pb_poly* first_multiply(pb_poly *private_key, char *encr_msg, int q) {
-	// toDo a= f*e mod q
-	return NULL;
-}
-
-// toDo fix header file definition and types if needed!
-char* second_multiply(pb_poly *a, pb_poly *fp, int p) {
-	//toDo a*Fp mod p
-	return NULL;
-}
diff --git a/src/ntru_decrypt.h b/src/ntru_decrypt.h
index 92ac915..9da81cc 100644
--- a/src/ntru_decrypt.h
+++ b/src/ntru_decrypt.h
@@ -26,7 +26,5 @@
 #include "context.h"
 
 int ntru_decrypt(char *encr_msg, pb_poly *private_key, ntru_context *context, char ** decr_msg);
-pb_poly* first_multiply(pb_poly*, char*, int);
-char* first_multiply(pb_poly*, pb_poly*, int);
 
 #endif /* NTRU_DECRYPT */