SR: adding

Author: sushmit

.DS_Store

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 14,
    "metadata": {
     "collapsed": false
    },
@@ -16,7 +16,7 @@
        " Vec({0, 1, 2, 3, 4},{0: 0.0, 1: 0.0, 2: 0.0, 3: 0.0, 4: 3.0})]"
       ]
      },
-     "execution_count": 1,
+     "execution_count": 14,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -27,6 +27,8 @@
     "from mat import Mat\n",
     "from matutil import *\n",
     "from echelon import *\n",
+    "from vecutil import *\n",
+    "from GF2 import one\n",
     "#import ipdb\n",
     "new_rowlist = []\n",
     "\n",
@@ -64,7 +66,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 10,
    "metadata": {
     "collapsed": false
    },
@@ -110,22 +112,36 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "metadata": {
     "collapsed": false
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "       0 1 2 3\n",
+      "     ---------\n",
+      " 0  |  0 2 4 2\n",
+      " 1  |  2 1 0 0\n",
+      " 2  |  0 0 0 0\n",
+      " 3  |  0 0 0 0\n",
+      "\n"
+     ]
+    }
+   ],
    "source": [
-    "\n",
     "Bd = (set([0,1,2,3]), set([0,1,2,3]))\n",
-    "Bf = {(0,1):2, (0,2):4,(0,3):2,(0,4):8,(1,0):2,(1:1):1}\n",
+    "Bf = {(0,1):2, (0,2):4,(0,3):2,(0,4):8,(1,0):2,(1,1):1}\n",
     "B=Mat(Bd, Bf)\n",
     "print(B)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 6,
    "metadata": {
     "collapsed": false
    },
@@ -134,49 +150,41 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Enter the entry for row: 0 col: 0 \n",
-      "Enter the entry for row: 0 col: 1 2\n",
-      "Enter the entry for row: 0 col: 2 4\n",
-      "Enter the entry for row: 0 col: 3 2\n",
-      "Enter the entry for row: 0 col: 4 8\n",
-      "Enter the entry for row: 1 col: 0 2\n",
-      "Enter the entry for row: 1 col: 1 1\n",
-      "Enter the entry for row: 1 col: 2 0\n",
-      "Enter the entry for row: 1 col: 3 5\n",
-      "Enter the entry for row: 1 col: 4 4\n",
-      "Enter the entry for row: 2 col: 0 4\n",
-      "Enter the entry for row: 2 col: 1 1\n",
-      "Enter the entry for row: 2 col: 2 2\n",
-      "Enter the entry for row: 2 col: 3 4\n",
-      "Enter the entry for row: 2 col: 4 2\n",
-      "Enter the entry for row: 3 col: 0 5\n",
-      "Enter the entry for row: 3 col: 1 0\n",
-      "Enter the entry for row: 3 col: 2 0\n",
-      "Enter the entry for row: 3 col: 3 2\n",
-      "Enter the entry for row: 3 col: 4 8\n",
-      "\n",
-      "       0 1 2 3 4\n",
-      "     -----------\n",
-      " 0  |  0 2 4 2 8\n",
-      " 1  |  2 1 0 5 4\n",
-      " 2  |  4 1 2 4 2\n",
-      " 3  |  5 0 0 2 8\n",
-      "\n"
+      "Enter the entry for row: 0 col: 0 1\n",
+      "Enter the entry for row: 0 col: 1 1\n",
+      "Enter the entry for row: 0 col: 2 1\n",
+      "Enter the entry for row: 0 col: 3 1\n",
+      "Enter the entry for row: 0 col: 4 \n",
+      "Enter the entry for row: 1 col: 0 \n",
+      "Enter the entry for row: 1 col: 1 \n",
+      "Enter the entry for row: 1 col: 2 \n",
+      "Enter the entry for row: 1 col: 3 \n",
+      "Enter the entry for row: 1 col: 4 \n",
+      "Enter the entry for row: 2 col: 0 \n",
+      "Enter the entry for row: 2 col: 1 \n",
+      "Enter the entry for row: 2 col: 2 \n",
+      "Enter the entry for row: 2 col: 3 \n",
+      "Enter the entry for row: 2 col: 4 \n",
+      "Enter the entry for row: 3 col: 0 \n",
+      "Enter the entry for row: 3 col: 1 \n",
+      "Enter the entry for row: 3 col: 2 \n",
+      "Enter the entry for row: 3 col: 3 \n",
+      "Enter the entry for row: 3 col: 4 \n"
      ]
     }
    ],
    "source": [
     "Bd = (set([0,1,2,3]), set([0,1,2,3,4]))\n",
     "Bf = {}\n",
     "B=Mat(Bd, Bf)\n",
-    "Mat.input_Matrix(B)\n",
+    "#Mat.input_Matrix(B)\n",
     "\n",
-    "print(B)"
+    "import random"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 70,
    "metadata": {
     "collapsed": false
    },
@@ -185,20 +193,33 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "\n",
-      "         1   2   3   4\n",
-      "     -----------------\n",
-      " 0  |  one   0   0   0\n",
-      " 1  |  one one   0   0\n",
-      " 2  |  one one one   0\n",
-      " 3  |  one   0 one one\n",
-      "\n"
+      "[0, 0, one, 0, 0, 0]\n",
+      "0\n"
      ]
     }
    ],
    "source": [
-    "B\n",
-    "print(transformation(B))"
+    "a0 = list2vec([one,one,0,one,0,one])\n",
+    "b0 = list2vec([one,one,0,0,0,one])\n",
+    "\n",
+    "import random\n",
+    "def randGF2() : return random.randint(0,1)*one\n",
+    "\n",
+    "# Task 7.7.1\n",
+    "def choose_secret_vector(s,t):\n",
+    "    # generate the random 6 vector u\n",
+    "    u_list = [randGF2() for i in range(6)]\n",
+    "    u_vec = list2vec(u_list)\n",
+    "    if (a0*u_vec) != s or (b0 * u_vec) != t:\n",
+    "        choose_secret_vector(s,t)\n",
+    "    \n",
+    "    return u_vec\n",
+    "\n",
+    "print ([randGF2() for i in range(6)])\n",
+    "#choose_secret_vector(one,one)\n",
+    "\n",
+    "print ( choose_secret_vector(one,0))\n",
+    "\n"
    ]
   }
  ],