use 486662 for A

libi2pd/Elligator.cpp

@@ -23,11 +23,6 @@ namespace crypto
 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
 	};
 
-	static const uint8_t A_[32] = 
-	{
-		0x06, 0x6d, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-	};
 
 	static const uint8_t u_[32] = 
 	{
@@ -35,17 +30,18 @@ namespace crypto
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 	};
 
-	#define decode_bytes(x) { x = BN_new (); BN_bin2bn (x##_, 32, x); }
+	#define decode_bytes(x) { x = BN_new (); BN_bin2bn (x##_, 32, x); } // TODO: endianess
 	Elligator2::Elligator2 ()
 	{
 		decode_bytes (p);
 		decode_bytes (n1);
-		decode_bytes (n2);
+		decode_bytes (n2);	
-		decode_bytes (A);	
 		decode_bytes (u);
 		
+		A = BN_new (); BN_set_word (A, 486662);
+
 		BN_CTX * ctx = BN_CTX_new ();
-		BN_mod_inverse (iu, u, p, ctx);	
+		iu = BN_new (); BN_mod_inverse (iu, u, p, ctx);	
 		BN_CTX_free (ctx);
 	}