Changeset ec3ce2c in comparacioncriptosistemas

Timestamp:

Jan 7, 2016, 10:31:10 AM (8 years ago)

Author:

aaraujo <aaraujo@…>

Branches:

master, interfaz

Children:

e5b15b7, 74faff2

Parents:

66e8c79

Message:

Asignado nombres al archivo de entrada y salida del proceso de cifrado

Location:

testVarieties

Files:

• .gitignore (modified) (1 diff)
• main.cpp (modified) (2 diffs)
• message.txt (moved) (moved from testVarieties/in.txt)
• polinomial.hpp (modified) (1 diff)
• testVarieties (modified) (previous)

testVarieties/.gitignore

@@ -4 +4 @@
 out
 out2
+decryptedMessage.txt
+encryptedMessage

testVarieties/main.cpp

@@ -26 +26 @@
             hash_nm::precalc_mul_table();
 
-            FILE *fout = fopen("out", "wb");
-            File in("in.txt", READ);
+            FILE *fout = fopen("encryptedMessage", "wb");
+            File in("message.txt", READ);
 
             pol_t kx = get_rand_pol(KEY_DEG, false);
@@ -49 +49 @@
             in.~File();
 
-            FILE *fin = fopen("out", "rb");
-            File out("out2", WRITE);
+            FILE *fin = fopen("encryptedMessage", "rb");
+            File out("decryptedMessage.txt", WRITE);
 
             timer.start();

testVarieties/polinomial.hpp

@@ -38 +38 @@
         u61_t a = x[CLOSE_KEY_DEG].inverse() * y[CLOSE_KEY_DEG].inverse();
         for (u32_t j = 0; j < factor.size(); ++j) {
-                res.clear();
-                m = m1 % (fc / factor[j]);
-                u32_t deg = m.get_deg();
-                u64_t size = m[deg] * a.pow(deg / (2 * CLOSE_KEY_DEG));
-                m %= kxy.pow(deg / (2 * CLOSE_KEY_DEG)) * pol_x.pow(deg % (2 * CLOSE_KEY_DEG));
-                deg = m.get_deg();
-                for (u32_t i = 0; i <= deg; ++i) {
-                        res.push_back(m[deg - i] * a.pow((deg - i) / (2 * CLOSE_KEY_DEG)));
-                        m %= kxy.pow((deg - i) / (2 * CLOSE_KEY_DEG)) * pol_x.pow((deg - i) % (2 * CLOSE_KEY_DEG));
-                }
-                block512_t h2 = hash_nm::hash((char *)(res.data()), res.size() * sizeof(u61_t));
-                if (h1 == h2) {
-//                      for (u32_t i = 0; i < res.size(); ++i) {
-//                              if (size > MODSIZE - 1) {
-//                                      size -= out.write(res[i]);
-//                              }
-//                              else {
-//                                      size -= out.write(res[i], size);
-//                              }
-//                      }
-                        out.flush();
-                        break;
-                }
+            res.clear();
+            m = m1 % (fc / factor[j]);
+            u32_t deg = m.get_deg();
+            u64_t size = m[deg] * a.pow(deg / (2 * CLOSE_KEY_DEG));
+            m %= kxy.pow(deg / (2 * CLOSE_KEY_DEG)) * pol_x.pow(deg % (2 * CLOSE_KEY_DEG));
+            deg = m.get_deg();
+            for (u32_t i = 0; i <= deg; ++i) {
+                res.push_back(m[deg - i] * a.pow((deg - i) / (2 * CLOSE_KEY_DEG)));
+                m %= kxy.pow((deg - i) / (2 * CLOSE_KEY_DEG)) * pol_x.pow((deg - i) % (2 * CLOSE_KEY_DEG));
+            }
+            block512_t h2 = hash_nm::hash((char *)(res.data()), res.size() * sizeof(u61_t));
+
+            // escritura del mensaje cifrado en el archivo de salida
+            for (u32_t i = 0; i < res.size(); ++i) {
+                if (size > MODSIZE - 1) {
+                    size -= out.write(res[i]);
+                }
+                else {
+                    size -= out.write(res[i], size);
+                }
+            }
+            out.flush();
+            break;
         }
 }