diff --git a/Cargo.lock b/Cargo.lock
index 6b98be6..6c85149 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -410,7 +410,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a969e13a7589e9e3e4207e153bae624ade2b5622fb4684a4923b23ec3d57719"
 dependencies = [
  "serde",
- "toml 0.8.15",
+ "toml 0.8.16",
 ]
 
 [[package]]
@@ -820,7 +820,7 @@ dependencies = [
  "cc",
  "memchr",
  "rustc_version",
- "toml 0.8.15",
+ "toml 0.8.16",
  "vswhom",
  "winreg",
 ]
@@ -2846,9 +2846,9 @@ dependencies = [
 
 [[package]]
 name = "serde_spanned"
-version = "0.6.6"
+version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79e674e01f999af37c49f70a6ede167a8a60b2503e56c5599532a65baa5969a0"
+checksum = "eb5b1b31579f3811bf615c144393417496f152e12ac8b7663bf664f4a815306d"
 dependencies = [
  "serde",
 ]
@@ -3142,7 +3142,7 @@ dependencies = [
  "cfg-expr",
  "heck 0.5.0",
  "pkg-config",
- "toml 0.8.15",
+ "toml 0.8.16",
  "version-compare",
 ]
 
@@ -3269,7 +3269,7 @@ dependencies = [
  "serde_json",
  "tauri-utils",
  "tauri-winres",
- "toml 0.8.15",
+ "toml 0.8.16",
  "walkdir",
 ]
 
@@ -3386,7 +3386,7 @@ dependencies = [
  "serde_with",
  "swift-rs",
  "thiserror",
- "toml 0.8.15",
+ "toml 0.8.16",
  "url",
  "urlpattern",
  "walkdir",
@@ -3549,21 +3549,21 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.8.15"
+version = "0.8.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac2caab0bf757388c6c0ae23b3293fdb463fee59434529014f85e3263b995c28"
+checksum = "81967dd0dd2c1ab0bc3468bd7caecc32b8a4aa47d0c8c695d8c2b2108168d62c"
 dependencies = [
  "serde",
  "serde_spanned",
  "toml_datetime",
- "toml_edit 0.22.16",
+ "toml_edit 0.22.17",
 ]
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.6"
+version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4badfd56924ae69bcc9039335b2e017639ce3f9b001c393c1b2d1ef846ce2cbf"
+checksum = "f8fb9f64314842840f1d940ac544da178732128f1c78c21772e876579e0da1db"
 dependencies = [
  "serde",
 ]
@@ -3594,15 +3594,15 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.22.16"
+version = "0.22.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "278f3d518e152219c994ce877758516bca5e118eaed6996192a774fb9fbf0788"
+checksum = "8d9f8729f5aea9562aac1cc0441f5d6de3cff1ee0c5d67293eeca5eb36ee7c16"
 dependencies = [
  "indexmap 2.2.6",
  "serde",
  "serde_spanned",
  "toml_datetime",
- "winnow 0.6.15",
+ "winnow 0.6.16",
 ]
 
 [[package]]
@@ -3889,9 +3889,9 @@ checksum = "852e951cb7832cb45cb1169900d19760cfa39b82bc0ea9c0e5a14ae88411c98b"
 
 [[package]]
 name = "version_check"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
 name = "vswhom"
@@ -4453,9 +4453,9 @@ dependencies = [
 
 [[package]]
 name = "winnow"
-version = "0.6.15"
+version = "0.6.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "557404e450152cd6795bb558bca69e43c585055f4606e3bcae5894fc6dac9ba0"
+checksum = "b480ae9340fc261e6be3e95a1ba86d54ae3f9171132a73ce8d4bbaf68339507c"
 dependencies = [
  "memchr",
 ]
diff --git a/crates/sesam-vitale/src/libssv.rs b/crates/sesam-vitale/src/libssv.rs
new file mode 100644
index 0000000..c8a066c
--- /dev/null
+++ b/crates/sesam-vitale/src/libssv.rs
@@ -0,0 +1,24 @@
+/**
+ * libssv.rs
+ * 
+ * Low level bindings to the SSVLIB dynamic library.
+ */
+
+use libc::{ c_char, c_void, c_ushort, size_t };
+
+#[cfg(target_os = "linux")]
+#[link(name = "ssvlux64")]
+extern "C" {
+    pub fn SSV_InitLIB2(pcRepSesamIni: *const c_char) -> c_ushort;
+    pub fn SSV_LireCartePS(NomRessourcePS: *const c_char, NomRessourceLecteur: *const c_char, CodePorteurPS: *const c_char, ZDonneesSortie: *mut *mut c_void, TTailleDonneesSortie: *mut size_t) -> c_ushort;
+    pub fn SSV_LireConfig(ZDonneesSortie: *mut *mut c_void, TTailleDonneesSortie: *mut size_t) -> c_ushort;
+}
+
+#[cfg(target_os = "windows")]
+#[link(name = "ssvw64")]
+extern "C" {
+    pub fn SSV_InitLIB2(pcRepSesamIni: *const c_char) -> c_ushort;
+    pub fn SSV_LireCartePS(NomRessourcePS: *const c_char, NomRessourceLecteur: *const c_char, CodePorteurPS: *const c_char, ZDonneesSortie: *mut *mut c_void, TTailleDonneesSortie: *mut size_t) -> c_ushort;
+    pub fn SSV_LireConfig(ZDonneesSortie: *mut *mut c_void, TTailleDonneesSortie: *mut size_t) -> c_ushort;
+}
+/* TODO : replace void* by Rust struct : https://doc.rust-lang.org/nomicon/ffi.html#representing-opaque-structs */
diff --git a/crates/sesam-vitale/src/main.rs b/crates/sesam-vitale/src/main.rs
index 9a9a1e9..b863fbb 100644
--- a/crates/sesam-vitale/src/main.rs
+++ b/crates/sesam-vitale/src/main.rs
@@ -1,4 +1,5 @@
 mod ssvlib_demo;
+mod libssv;
 
 fn main() {
     ssvlib_demo::demo();
diff --git a/crates/sesam-vitale/src/ssvlib_demo.rs b/crates/sesam-vitale/src/ssvlib_demo.rs
index 5905b6e..a8f4731 100644
--- a/crates/sesam-vitale/src/ssvlib_demo.rs
+++ b/crates/sesam-vitale/src/ssvlib_demo.rs
@@ -1,18 +1,24 @@
+/**
+ * High level API for the SSV library,
+ * based on the low level bindings in libssv.rs.
+ * 
+ */
+
 extern crate libc;
 extern crate dotenv;
 
-use libc::{ c_char, c_void, c_ushort, size_t };
+use libc::{ c_void, size_t };
 use std::ffi::CString;
 use std::path::PathBuf;
 use std::ptr;
 
 use std::env;
 
-extern "C" {
-    fn SSV_InitLIB2(pcRepSesamIni: *const c_char) -> c_ushort;
-    fn SSV_LireCartePS(NomRessourcePS: *const c_char, NomRessourceLecteur: *const c_char, CodePorteurPS: *const c_char, ZDonneesSortie: *mut *mut c_void, TTailleDonneesSortie: *mut size_t) -> c_ushort;
-    fn SSV_LireConfig(ZDonneesSortie: *mut *mut c_void, TTailleDonneesSortie: *mut size_t) -> c_ushort;
-}
+use crate::libssv:: {
+    SSV_InitLIB2,
+    SSV_LireCartePS,
+    SSV_LireConfig
+};
 
 fn ssv_init_lib_2() {
     let ini_str = env::var("SESAM_INI_PATH").expect("SESAM_INI_PATH must be set");
@@ -72,6 +78,10 @@ fn ssv_lire_config() {
 }
 
 pub fn demo() {
+    /*
+     * TODO : this is probably not working on release, because I'm not sure it exists a CARGO_MANIFEST_DIR and so it can find the `.env`
+     * Maybe we could use a system standard config path to store a config file
+     */ 
     let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
     let manifest_path = PathBuf::from(manifest_dir);
     dotenv::from_path(manifest_path.join(".env")).ok();