From 54600f6c00cf82d06eb457abb84d1fb98563785b Mon Sep 17 00:00:00 2001
From: Michael <20937441+KMikeeU@users.noreply.github.com>
Date: Thu, 14 May 2026 19:33:25 +0200
Subject: [PATCH] fix: make printed messages clearer

---
 src/main.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/src/main.c b/src/main.c
index 7f3004f..4ce691e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -13,7 +13,7 @@
 #include <string.h>
 #include <stdlib.h>
 
-
+#define MESSAGE_UNAUTHORIZED "You are not authorized to use this software!\n"
 
 #define MAX_STEPS 1024u
 
@@ -32,9 +32,9 @@ int main(){
         return 1;
     }
 
-    fprintf(stderr, "HWINFO: %s\n", hw_info_flatten(hwinfo));
+    // fprintf(stderr, "HWINFO: %s\n", hw_info_flatten(hwinfo));
 
-    fprintf(stderr, "Key: ");
+    fprintf(stderr, "[Info] Unique hardware key: ");
     for (int i = 0; i < 16; i++)
         fprintf(stderr, "%02X", key[i]);
     fprintf(stderr, "\n");
@@ -53,7 +53,7 @@ int main(){
     }
 
     if (license == NULL) {
-        fprintf(stderr, "Could not find license file\n");
+        fprintf(stderr, "[Error] Could not find license file\n");
         return 1;
     }
 
@@ -66,10 +66,6 @@ int main(){
     fread(buf, 1, license_size, license);
 
 
-    // void AES_init_ctx(struct AES_ctx* ctx, const uint8_t* key);
-    // void AES_init_ctx_iv(struct AES_ctx* ctx, const uint8_t* key, const uint8_t* iv);
-    // void AES_CTR_xcrypt_buffer(struct AES_ctx* ctx, uint8_t* buf, size_t length);
-
     AES_init_ctx(&ctx, key);
     AES_init_ctx_iv(&ctx, key, nonce);
     AES_CTR_xcrypt_buffer(&ctx, buf, license_size);
@@ -83,12 +79,12 @@ int main(){
     fread(begin, 1, sizeof(begin), decrypted_license);
     if(memcmp(begin, expected, sizeof(begin)) != 0) {
         // This happens when decryption fails
-        printf("You are not authorized to use this software!\n");
+        printf(MESSAGE_UNAUTHORIZED);
         return 1;
     }
 
     const int maxninput = 255;
-    printf("Please enter the flag: ");
+    printf("Please enter your authorization code: ");
     fflush(stdout);
     char userinput[maxninput];
     fgets(userinput, sizeof(userinput), stdin);
@@ -110,9 +106,9 @@ int main(){
     // Load elf, keep 512 bytes as safe buffer
     int load_status = load_elf_object_sections(decrypted_license, memory, cpu.mem_size - SIZE_USERDATA);
     if (load_status != LOAD_OK) {
-        fprintf(stderr, "ELF load failed with code %d for decrypted license\n", load_status);
+        fprintf(stderr, "[Error] ELF load failed with code %d for decrypted license\n", load_status);
         fflush(stderr);
-        printf("ELF load failed with code %d\n", load_status);
+        printf("[Error] ELF load failed with code %d\n", load_status);
         fflush(stdout);
         return 1;
     }
@@ -121,7 +117,7 @@ int main(){
     int symbol_status = resolve_elf_symbol_memory_offset(
         decrypted_license, EMU_ENTRY_SYMBOL, cpu.mem_size, &entry_offset);
     if (symbol_status != LOAD_OK) {
-        fprintf(stderr, "Entry symbol '%s' resolve failed with code %d\n",
+        fprintf(stderr, "[Error] Entry symbol '%s' resolve failed with code %d\n",
             EMU_ENTRY_SYMBOL, symbol_status);
         return 2;
     }
@@ -139,16 +135,16 @@ int main(){
     }
 
     if (steps == MAX_STEPS) {
-        fprintf(stderr, "Execution did not halt within %u steps\n", MAX_STEPS);
+        fprintf(stderr, "[Error] Execution did not halt within %u steps\n", MAX_STEPS);
         return 2;
     }
 
     uint32_t result = (uint32_t)cpu.x[10];
 
     if(result == 1) {
-        printf("Congrats! That's the flag!\n");
+        printf("License activated successfully!\n");
     } else {
-        printf("Nope, sorry, that's incorrect!\n");
+        printf(MESSAGE_UNAUTHORIZED);
     }
 
     return 0;