arc4: Use boost::uint8_t

src/crypto/arc4.cpp

@@ -31,12 +31,12 @@ void arc4::init(const char * key, size_t length) {
 	a = b = 0;
 	
 	for(size_t i = 0; i < sizeof(state); i++){
-		state[i] = (unsigned char)i;
+		state[i] = boost::uint8_t(i);
 	}
 	
 	size_t j = 0;
 	for(size_t i = 0; i < sizeof(state); i++) {
-		j = (j + state[i] +  (unsigned char)key[i % length]) % sizeof(state);
+		j = (j + state[i] + boost::uint8_t(key[i % length])) % sizeof(state);
 		std::swap(state[i], state[j]);
 	}
 	
@@ -63,7 +63,7 @@ void arc4::crypt(const char * in, char * out, size_t length) {
 	
 	for(size_t i = 0; i < length; i++) {
 		update();
-		out[i] = char(state[size_t(state[a] + state[b]) % sizeof(state)] ^ (unsigned char)in[i]);
+		out[i] = char(state[size_t(state[a] + state[b]) % sizeof(state)] ^ boost::uint8_t(in[i]));
 	}
 	
 }

src/crypto/arc4.hpp

@@ -49,7 +49,7 @@ private:
 	
 	void update();
 	
-	unsigned char state[256];
+	boost::uint8_t state[256];
 	size_t a, b;
 	
 };