Implemented authentication.

Near feature complete.

Makefile

@@ -2,7 +2,7 @@
 
 SRC_DIR  := .
 OBJ_DIR  := obj
-LDFLAGS  := -lmbedcrypto -lb64
+LDFLAGS  := -lmbedcrypto
 CPPFLAGS :=
 CXXFLAGS := --std=c++14
 
@@ -10,7 +10,7 @@ CXXFLAGS += -MMD -MP
 MODULES  := $(wildcard $(SRC_DIR)/*.cpp)
 OBJECTS  := $(MODULES:$(SRC_DIR)/%.cpp=$(OBJ_DIR)/%.o)
 
-monitor: $(OBJECTS) libuECC.o
+monitor: $(OBJECTS) libuECC.o libcppb64.o
 	g++ $(LDFLAGS) -o $@ $^
 
 $(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
@@ -22,7 +22,11 @@ clean:
 	rm $(OBJ_DIR)/*
 	rm monitor
 
-.PHONY: libuECC
+.PHONY: libuECC.o libcppb64.so clean
 libuECC.o:
 	$(MAKE) -C micro-ecc
 	cp micro-ecc/libuECC.o libuECC.o
+
+libcppb64.o:
+	$(MAKE) -C cpp-base64
+	cp cpp-base64/libcppb64.o libcppb64.o