From 4554dffadb17f26bb10e31162c1277ac50b53556 Mon Sep 17 00:00:00 2001
From: Michael <20937441+KMikeeU@users.noreply.github.com>
Date: Thu, 14 May 2026 16:32:43 +0200
Subject: [PATCH] feat: encryptor hardwareinfo modifyable with environment
 variables

---
 .env.example    |  4 ++++
 src/encryptor.c | 28 ++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/.env.example b/.env.example
index 3f5fbbe..70a85d0 100644
--- a/.env.example
+++ b/.env.example
@@ -1,2 +1,6 @@
 FLAG_LEN=32
 FLAG_FORMAT=ctf{FLAG_GOES_HERE}
+ENCRYPTOR_VENDOR_ID=GenuineIntel
+ENCRYPTOR_MODEL_NAME=Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz
+ENCRYPTOR_OS_VERSION=7.0.3-arch1-2
+ENCRYPTOR_MEM_TOTAL=7994428
diff --git a/src/encryptor.c b/src/encryptor.c
index 5e0a756..276ba13 100644
--- a/src/encryptor.c
+++ b/src/encryptor.c
@@ -19,6 +19,34 @@ int main(int argc, char** argv) {
         return 1;
     }
 
+    char* env_vendor_id = getenv("ENCRYPTOR_VENDOR_ID");
+    if (env_vendor_id != NULL) {
+        hwinfo.vendor_id = env_vendor_id;
+    } else {
+        fprintf(stderr, "Warning: No vendor_id specified, keeping original '%s'\n", hwinfo.vendor_id);
+    }
+
+    char* env_model_name = getenv("ENCRYPTOR_MODEL_NAME");
+    if (env_model_name != NULL) {
+        hwinfo.model_name = env_model_name;
+    } else {
+        fprintf(stderr, "Warning: No model_name specified, keeping original '%s'\n", hwinfo.model_name);
+    }
+
+    char* env_os_version = getenv("ENCRYPTOR_OS_VERSION");
+    if (env_os_version != NULL) {
+        hwinfo.os_version = env_os_version;
+    } else {
+        fprintf(stderr, "Warning: No os_version specified, keeping original '%s'\n", hwinfo.os_version);
+    }
+
+    char* env_mem_total = getenv("ENCRYPTOR_MEM_TOTAL");
+    if (env_mem_total != NULL) {
+        hwinfo.mem_total = env_mem_total;
+    } else {
+        fprintf(stderr, "Warning: No mem_total specified, keeping original '%s'\n", hwinfo.mem_total);
+    }
+
     uint8_t* key = hwinfo_to_key(hwinfo);
 
     if(key == NULL) {