From e80f2733081795927e2f3415b8d26756170af5b6 Mon Sep 17 00:00:00 2001
From: Marcela Ribeiro de Oliveira <mro15@inf.ufpr.br>
Date: Wed, 9 May 2018 16:24:04 -0300
Subject: [PATCH] programa para criar o texto cifrado
---
.gitignore | 1 +
Makefile | 17 +++++++++++------
cypher.cpp | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
key.txt | 1 +
playfair.cpp | 4 ++--
5 files changed, 66 insertions(+), 8 deletions(-)
create mode 100644 cypher.cpp
create mode 100644 key.txt
diff --git a/.gitignore b/.gitignore
index 4d90da4..7219596 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
*.swo
playunfair
*.out
+cypher
diff --git a/Makefile b/Makefile
index 35b6ece..2dfe385 100644
--- a/Makefile
+++ b/Makefile
@@ -5,18 +5,23 @@ INCL = -I ./include
DEPS = include/*
-OBJ = playfair.o playunfair.o
+OBJ = playfair.o
-EXEC = playunfair
+EXEC = playunfair cypher
-$(EXEC): $(OBJ)
- $(CC) $(CFLAGS) -o $@ $^
+all: $(EXEC)
+
+playunfair: $(OBJ)
+ $(CC) $(CFLAGS) -o $@ $^ $@.o
+
+cypher: $(OBJ)
+ $(CC) $(CFLAGS) -o $@ $^ $@.o
%.o: %.cpp $(DEPS)
$(CC) $(CFLAGS) -c -o $@ $< $(INCL)
-all: $(EXEC)
clean:
- rm -f $(OBJ) playunfair
+ rm -f $(OBJ) $(EXEC)
+
diff --git a/cypher.cpp b/cypher.cpp
new file mode 100644
index 0000000..e4eb5e0
--- /dev/null
+++ b/cypher.cpp
@@ -0,0 +1,51 @@
+#include "include/playunfair.h"
+#include <fstream>
+
+
+int main(int argc, char *argv[]){
+ if(argc!=3){
+ std::cout << "Uso: ./playunfair <file-in> <key>" << std::endl;
+ return 0;
+ }
+ std::fstream input, keyF;
+ char *inputName, *keyName;
+ std::string aux="", key, crip;
+ std::ostringstream text, keys;
+
+ inputName = argv[1];
+ keyName = argv[2];
+
+ input.open(inputName, std::ifstream::in);
+ if(!input.good()){
+ std::cout << "Nao foi possivel abrir o arquivo de entrada" << std::endl;
+ return 0;
+ }
+
+ while(std::getline(input, aux))
+ text << aux;
+
+ //TODO: tirar caracteres especiais
+ crip = text.str();
+ parser(crip);
+ //std::cout << crip << std::endl;
+
+ keyF.open(keyName, std::ifstream::in);
+ if(!keyF.good()){
+ std::cout << "Nao foi possivel abrir o dicionario" << std::endl;
+ return 0;
+ }
+
+ //TODO: if filter returns accepted print key and text in file
+ std::getline(keyF, aux);
+ keys << aux;
+ key = keys.str();
+ crip = playfair(crip, key, CRYPT);
+ std::cout << crip << std::endl;
+ return 0;
+}
+
+void parser(std::string &text){
+ text.erase(std::remove(text.begin(), text.end(), ' '), text.end());
+ std::transform(text.begin(), text.end(), text.begin(), ::tolower);
+}
+
diff --git a/key.txt b/key.txt
new file mode 100644
index 0000000..fbcdd3e
--- /dev/null
+++ b/key.txt
@@ -0,0 +1 @@
+cachorro
diff --git a/playfair.cpp b/playfair.cpp
index 35bd620..57cd9d6 100644
--- a/playfair.cpp
+++ b/playfair.cpp
@@ -32,12 +32,12 @@ std::string playfair(std::string text, const std::string key, int crypt){
crypt=crypt+5;//Avoid operator % on negative numbers
std::ostringstream ret;
std::vector< char > mKey(createKM(key));
- for (int i=0; i<5; ++i){
+ /*for (int i=0; i<5; ++i){
for (int j=0; j<5; ++j){
std::cout << mKey[i*5 + j] << ' ';
}
std::cout << std::endl;
- }
+ }*/
unsigned int indexT = 0;
while(indexT <text.size() ){
--
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