dict

Signed-off-by: Egon Nathan Bittencourt Araujo <enba14@inf.ufpr.br>

dict.sh

+#! /bin/bash
+
+cat /usr/share/dict/brazilian | \
+conv -f ISO8859-1 -t UTF8 | \
+sed -e 's/â/a/g' | \
+sed -e 's/ã/a/g' | \
+sed -e 's/á/a/g' | \
+sed -e 's/à/a/g' | \
+sed -e 's/é/e/g' | \
+sed -e 's/ê/e/g' | \
+sed -e 's/í/i/g' | \
+sed -e 's/ó/o/g' | \
+sed -e 's/ô/o/g' | \
+sed -e 's/õ/o/g' | \
+sed -e 's/ú/u/g' | \
+sed -e 's/Â/A/g' | \
+sed -e 's/Ã/A/g' | \
+sed -e 's/Á/A/g' | \
+sed -e 's/À/A/g' | \
+sed -e 's/É/E/g' | \
+sed -e 's/Ê/E/g' | \
+sed -e 's/Í/I/g' | \
+sed -e 's/Ó/O/g' | \
+sed -e 's/Ô/O/g' | \
+sed -e 's/Õ/O/g' | \
+sed -e 's/Ú/U/g' | \
+tr [A-Z] [a-z] | \
+egrep .... | \
+egrep -v ....... > dict.txt

playfair.cpp

@@ -40,7 +40,10 @@ std::string playfair(std::string text, const std::string key, int crypt){
 	}
 	unsigned int indexT = 0;
 	while(indexT <text.size() ){
+
+		while(text[indexT] < 'a' || text[indexT] > 'z') ++indexT;
 		char fst = text[indexT];
+		while(text[indexT] < 'a' || text[indexT] > 'z') ++indexT;
 		char snd = (++indexT< text.size())?text[indexT]:'x';
 		++indexT;
 		if (fst == snd){