From f17af835d4f414cba0932d8b8093f998fe602b9c Mon Sep 17 00:00:00 2001
From: datalore <d4t4.l0r3@protonmail.ch>
Date: Tue, 24 Oct 2023 21:38:29 +0200
Subject: [PATCH] Added tolower() calls

---
 brute.cc    | 2 +-
 shift.cc    | 3 ++-
 vigenere.cc | 4 ++--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/brute.cc b/brute.cc
index 9a8a8c3..6785227 100644
--- a/brute.cc
+++ b/brute.cc
@@ -5,7 +5,7 @@ void shift(char* text, int key)
 	std::cout << key << ": ";
 	for(int i = 0; text[i] != 0; ++i)
 	{
-		char c = text[i]-key;
+		char c = std::tolower(text[i])-key;
 		if(c < 'a') c+=26;
 		if(c > 'z') c-=26;
 		std::cout << c;
diff --git a/shift.cc b/shift.cc
index 1c4d859..d7e2ee7 100644
--- a/shift.cc
+++ b/shift.cc
@@ -1,4 +1,5 @@
 #include <iostream>
+#include <cctype>
 
 int main(int argc, char** argv)
 {
@@ -14,7 +15,7 @@ int main(int argc, char** argv)
 	
 	for(int i = 0; text[i] != 0; ++i)
 	{
-		char c = text[i]+key;
+		char c = std::tolower(text[i])+key;
 		if(c < 'a') c+=26;
 		if(c > 'z') c-=26;
 		std::cout << c;
diff --git a/vigenere.cc b/vigenere.cc
index 2c3b229..9bdc885 100644
--- a/vigenere.cc
+++ b/vigenere.cc
@@ -2,7 +2,7 @@
 
 int keyvalue(char c)
 {
-	return c - 'a';
+	return std::tolower(c) - 'a';
 }
 int main(int argc, char** argv)
 {
@@ -20,7 +20,7 @@ int main(int argc, char** argv)
 	int ki = 0;
 	for(int pi = 0; text[pi] != 0; ++pi)
 	{
-		char c = text[pi] + keyvalue(key[ki]);
+		char c = std::tolower(text[pi]) + keyvalue(key[ki]);
 		if(c < 'a') c+=26;
 		if(c > 'z') c-=26;
 		std::cout << c;