Version v0.3.15 - Change temp pad location to final destination for the pad

.gitignore

@@ -4,5 +4,6 @@ files/
 Gemini.md
 TropicOfCancer-HenryMiller.txt
 .gitea_token
+true_rng/
 
 # Auto-generated files (none currently)

otp.h

@@ -14,7 +14,13 @@
 #include <stdlib.h>
 #include <termios.h>
 #include <sys/stat.h>
+#include <sys/ioctl.h>
 #include <time.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <ctype.h>
 
 // Constants
 #define MAX_INPUT_SIZE 4096
@@ -23,7 +29,7 @@
 #define PROGRESS_UPDATE_INTERVAL (64 * 1024 * 1024)  // 64MB intervals
 #define DEFAULT_PADS_DIR "pads"
 #define FILES_DIR "files"
-#define MAX_ENTROPY_BUFFER 32768  // 32KB entropy buffer
+#define MAX_ENTROPY_BUFFER (4 * 1024 * 1024)  // 4MB entropy buffer for large operations
 
 ////////////////////////////////////////////////////////////////////////////////
 //      TYPE DEFINITIONS
@@ -92,6 +98,11 @@ int set_default_pad_path(const char* pad_path);
 // OTP thumb drive detection function
 int detect_otp_thumb_drive(char* otp_drive_path, size_t path_size);
 
+////////////////////////////////////////////////////////////////////////////////
+//      USB DRIVE MANAGEMENT FUNCTIONS
+////////////////////////////////////////////////////////////////////////////////
+
+
 ////////////////////////////////////////////////////////////////////////////////
 //      EXTERNAL TOOL INTEGRATION FUNCTIONS
 ////////////////////////////////////////////////////////////////////////////////
@@ -119,6 +130,13 @@ int decrypt_ascii_file(const char* input_file, const char* output_file);
 //      ENHANCED ENTROPY SYSTEM FUNCTIONS
 ////////////////////////////////////////////////////////////////////////////////
 
+// Entropy source types
+typedef enum {
+    ENTROPY_SOURCE_KEYBOARD = 1,
+    ENTROPY_SOURCE_DICE = 2,
+    ENTROPY_SOURCE_TRUERNG = 3
+} entropy_source_t;
+
 // Terminal control for entropy collection
 int setup_raw_terminal(struct termios* original_termios);
 void restore_terminal(struct termios* original_termios);
@@ -130,6 +148,34 @@ void display_entropy_progress(const entropy_collection_state_t* state);
 void draw_progress_bar(double percentage, int width);
 void draw_quality_bar(double quality, int width, const char* label);
 
+// TrueRNG Device Constants (updated to match otp.c implementation)
+#define TRUERNG_VID "04D8"
+#define TRUERNG_PID "F5FE"
+#define TRUERNGPRO_VID "16D0"
+#define TRUERNGPRO_PID "0AA0"
+#define TRUERNGPROV2_VID "04D8"
+#define TRUERNGPROV2_PID "EBB5"
+
+// TrueRNG Device Type enumeration
+typedef enum {
+    TRUERNG_ORIGINAL = 1,
+    TRUERNG_PRO = 2,
+    TRUERNG_PRO_V2 = 3
+} truerng_device_type_t;
+
+// TrueRNG entropy collection functions (updated to match implementation)
+int find_truerng_port(char* port_path, size_t port_path_size, truerng_device_type_t* device_type);
+int setup_truerng_serial_port(const char* port_path);
+int collect_truerng_entropy(unsigned char* entropy_buffer, size_t target_bytes, size_t* collected_bytes, int display_progress);
+const char* get_truerng_device_name(truerng_device_type_t device_type);
+int read_usb_device_info(const char* port_name, char* vid, char* pid);
+
+// Dice entropy collection functions (updated to match implementation)
+int collect_dice_entropy(unsigned char* entropy_buffer, size_t target_bytes, size_t* collected_bytes, int display_progress);
+
+// Unified entropy collection interface (updated to match implementation)
+int collect_entropy_by_source(entropy_source_t source, unsigned char* entropy_buffer, size_t target_bytes, size_t* collected_bytes, int display_progress);
+
 // Entropy quality calculation
 double calculate_timing_quality(const entropy_collection_state_t* state);
 double calculate_variety_quality(const entropy_collection_state_t* state);
@@ -202,6 +248,14 @@ int universal_decrypt(const char* input_data, const char* output_target, decrypt
 char* custom_base64_encode(const unsigned char* input, int length);
 unsigned char* custom_base64_decode(const char* input, int* output_length);
 
+////////////////////////////////////////////////////////////////////////////////
+//      TERMINAL UI FUNCTIONS
+////////////////////////////////////////////////////////////////////////////////
+
+// Terminal dimension and UI functions
+void init_terminal_dimensions(void);
+void print_centered_header(const char* text, int pause_before_clear);
+
 ////////////////////////////////////////////////////////////////////////////////
 //      MENU SYSTEM FUNCTIONS
 ////////////////////////////////////////////////////////////////////////////////
@@ -214,6 +268,8 @@ int handle_decrypt_menu(void);
 int handle_pads_menu(void);
 int handle_text_encrypt(void);
 int handle_file_encrypt(void);
+int handle_verify_pad(const char* pad_chksum);
+int handle_delete_pad(const char* pad_chksum);
 
 ////////////////////////////////////////////////////////////////////////////////
 //      ENHANCED INPUT FUNCTIONS