SubGHz - Keeloq: Read Centurion Nova remotes (#2892)

Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: あく <alleteam@gmail.com>

assets/resources/subghz/assets/keeloq_mfcodes

@@ -1,56 +1,57 @@
 Filetype: Flipper SubGhz Keystore File
 Version: 0
 Encryption: 1
-IV: 41 84 34 43 84 1D 43 04 45 44 34 38 41 24 3E 74
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+IV: 23 17 32 54 92 3A 28 13 12 DE 8B A7 24 71 25 74
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lib/subghz/protocols/keeloq.c

@@ -467,6 +467,19 @@ static inline bool subghz_protocol_keeloq_check_decrypt(
     }
     return false;
 }
+// Centurion specific check
+static inline bool subghz_protocol_keeloq_check_decrypt_centurion(
+    SubGhzBlockGeneric* instance,
+    uint32_t decrypt,
+    uint8_t btn) {
+    furi_assert(instance);
+
+    if((decrypt >> 28 == btn) && (((((uint16_t)(decrypt >> 16)) & 0x3FF) == 0x1CE))) {
+        instance->cnt = decrypt & 0x0000FFFF;
+        return true;
+    }
+    return false;
+}
 
 /** 
  * Checking the accepted code against the database manafacture key
@@ -509,9 +522,16 @@ static uint8_t subghz_protocol_keeloq_check_remote_controller_selector(
                 // https://phreakerclub.com/forum/showpost.php?p=43557&postcount=37
                 man = subghz_protocol_keeloq_common_normal_learning(fix, manufacture_code->key);
                 decrypt = subghz_protocol_keeloq_common_decrypt(hop, man);
-                if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
-                    *manufacture_name = furi_string_get_cstr(manufacture_code->name);
-                    return 1;
+                if((strcmp(furi_string_get_cstr(manufacture_code->name), "Centurion") == 0)) {
+                    if(subghz_protocol_keeloq_check_decrypt_centurion(instance, decrypt, btn)) {
+                        *manufacture_name = furi_string_get_cstr(manufacture_code->name);
+                        return 1;
+                    }
+                } else {
+                    if(subghz_protocol_keeloq_check_decrypt(instance, decrypt, btn, end_serial)) {
+                        *manufacture_name = furi_string_get_cstr(manufacture_code->name);
+                        return 1;
+                    }
                 }
                 break;
             case KEELOQ_LEARNING_SECURE: