Rewrote everything using vita2d:

Added vita_deactivate() and added new return values for vita_activate()
Made main logic revolve around loop with a switch statement

Makefile

@@ -9,7 +9,9 @@ SRC_C :=$(call rwildcard, src/, *.c)
 OBJ_DIRS := $(addprefix out/, $(dir $(SRC_C:src/%.c=%.o)))
 OBJS := $(addprefix out/, $(SRC_C:src/%.c=%.o))
 
-LIBS := -lSceKernel_stub -lSceAppUtil_stub -lSceCommonDialog_stub -lSceIme_stub -lSceCtrl_stub -lSceVshBridge_stub -lSceSysmodule_stub -lSceNet_stub -lSceNetCtl_stub -lSceHttp_stub -lSceSsl_stub -lSceDisplay_stub -lSceReg_stub
+LIBS := -lSceKernel_stub -lSceAppUtil_stub -lSceCommonDialog_stub -lSceIme_stub -lSceCtrl_stub \
+	-lSceVshBridge_stub -lSceSysmodule_stub -lSceNet_stub -lSceNetCtl_stub -lSceHttp_stub  \
+	-lSceSsl_stub -lSceDisplay_stub -lSceGxm_stub -lScePgf_stub -lvita2d -lSceReg_stub
 
 CC := arm-vita-eabi-gcc
 STRIP := arm-vita-eabi-strip
@@ -19,11 +21,11 @@ CONF ?= RELEASE
 CFLAGS += -Wl,-q -Wall -O3 -D $(CONF)
 ASFLAGS += $(CFLAGS)
 
-.PHONY: all vpk eboot velf clean
-all: vpk eboot velf
+.PHONY: all vpk eboot elf clean
+all: vpk eboot elf
 vpk: build/$(TARGET).vpk
 eboot: build/eboot.bin
-velf: build/$(TARGET).velf
+elf: build/$(TARGET).elf
 
 build/%.vpk: vpk/eboot.bin vpk/sce_sys/param.sfo
 	mkdir -p build

README.md

@@ -1,8 +1,8 @@
 # Vita Activator
-Use this to get activation data on a HENkaku enabled PlayStation Vita
+Use this to get activation data on a HENkaku enabled PlayStation Vita  
 
 # Requirements
-
+[libvita2d](https://github.com/xerpi/libvita2d "By xerpi")
 
 # Compiling
 Either download latest vita-activator.vpk under releases  
@@ -12,20 +12,15 @@ Clone repo to your pc
 git clone http://github.com/ZombieWizzard/vita-activator.git
 cd vita-activator
 ```
-and build from sources
-```
-make clean
-make (all|vpk|eboot|velf) CONF=RELEASE
-```
-or to disable SSL certification (useful for debugging with a proxy)
+and build from sources  
 ```
 make clean
-make (all|vpk|eboot|velf) CONF=DEBUG
+make (all|vpk|eboot|elf) CONF=(RELEASE|DEBUG)
 ```
-vita-activator.vpk and eboot.bin will be in build folder
+vita-activator.vpk, eboot.bin and vita-activator.elf will be in build folder  
 
 # Usage
-Once installed run Vita Activator and then follow on screen instructions
+Once installed run Vita Activator and then follow on screen instructions  
 
 # License
-You are free to use this code for any purposes
+You are free to use this code for any purposes  

src/ime/ime_dialog.c

@@ -1,5 +1,7 @@
 #include "ime_dialog.h"
 
+#include <string.h>
+
 #include <psp2/types.h>
 #include <psp2/ime_dialog.h>
 
@@ -52,7 +54,7 @@ void utf8_to_utf16(uint8_t *src, uint16_t *dst) {
     *dst = '\0';
 }
 
-int initImeDialog(char *title, char *initial_text, int max_text_length) {
+int initImeDialog(char *title, char *initial_text, int max_text_length, int password) {
     if (ime_dialog_running)
         return -1;
 
@@ -69,6 +71,7 @@ int initImeDialog(char *title, char *initial_text, int max_text_length) {
     param.maxTextLength = max_text_length;
     param.initialText = ime_initial_text_utf16;
     param.inputTextBuffer = ime_input_text_utf16;
+    param.textBoxMode = password;
 
     int res = sceImeDialogInit(&param);
     if (res >= 0)

src/ime/ime_dialog.h

@@ -12,7 +12,7 @@
 extern "C" {
 #endif
 
-int initImeDialog(char *title, char *initial_text, int max_text_length);
+int initImeDialog(char *title, char *initial_text, int max_text_length, int password);
 uint16_t *getImeDialogInputTextUTF16();
 uint8_t *getImeDialogInputTextUTF8();
 int isImeDialogRunning();