1 files changed, 7 insertions, 30 deletions
diff --git a/gf28.h b/gf28.h
index 194cd57..2f3401b 100644
--- a/gf28.h
+++ b/gf28.h
@@ -4,36 +4,13 @@
 #include <cstdint>
 
 //The GF(2^8) field used in AES
+//Elements are represented by unsigned 8-bit ints, as is their nature.
+//Since addition in GF(2^8) is more simply written as just '^', only
+//multiplication and taking inverses is necessary to implement separately.
 
-class GF28{
-	int value;
+namespace GF28 {
 
-	static int reduce(int v,int m);
+	uint8_t multiply(uint8_t x,uint8_t y);
+	uint8_t inverse(uint8_t value);
 
-public:
-	static const int modulus=0x11b;
-
-	static uint8_t multiply(uint8_t x,uint8_t y); //for when the class is overkill
-
-	GF28();
-	explicit GF28(int v);
-
-	explicit operator uint8_t() const;
-
-	GF28& operator+=(GF28 o);
-	GF28& operator-=(GF28 o);
-	GF28& operator<<=(int n); //multiplication by x^n
-
-	GF28 operator+(GF28 o) const;
-	GF28 operator-(GF28 o) const;
-	GF28 operator*(GF28 o) const;
-	GF28 operator<<(int n) const; //multiplication by x^n
-
-	bool operator==(GF28 o) const;
-
-	GF28 inverse() const;
-
-	friend std::ostream& operator<<(std::ostream&,GF28);
-};
-
-std::ostream& operator<<(std::ostream &os,GF28 p);
+}