diff --git a/Cargo.lock b/Cargo.lock
index 6c85149..b80a2a9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -327,9 +327,9 @@ checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
 
 [[package]]
 name = "bytemuck"
-version = "1.16.1"
+version = "1.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b236fc92302c97ed75b38da1f4917b5cdda4984745740f153a5d3059e48d725e"
+checksum = "102087e286b4677862ea56cf8fc58bb2cdfa8725c40ffb80fe3a008eb7f2fc83"
 
 [[package]]
 name = "byteorder"
@@ -339,9 +339,9 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
-version = "1.6.1"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a12916984aab3fa6e39d655a33e09c0071eb36d6ab3aea5c2d78551f1df6d952"
+checksum = "fca2be1d5c43812bae364ee3f30b3afcb7877cf59f4aeb94c66f313a41d2fac9"
 dependencies = [
  "serde",
 ]
@@ -410,14 +410,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a969e13a7589e9e3e4207e153bae624ade2b5622fb4684a4923b23ec3d57719"
 dependencies = [
  "serde",
- "toml 0.8.16",
+ "toml 0.8.19",
 ]
 
 [[package]]
 name = "cc"
-version = "1.1.6"
+version = "1.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2aba8f4e9906c7ce3c73463f62a7f0c65183ada1a2d47e397cc8810827f9694f"
+checksum = "26a5c3fd7bfa1ce3897a3a3501d362b2d87b7f2583ebcb4a949ec25911025cbc"
 
 [[package]]
 name = "cesu8"
@@ -769,12 +769,6 @@ dependencies = [
  "syn 2.0.72",
 ]
 
-[[package]]
-name = "dotenv"
-version = "0.15.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
-
 [[package]]
 name = "dpi"
 version = "0.1.1"
@@ -820,7 +814,7 @@ dependencies = [
  "cc",
  "memchr",
  "rustc_version",
- "toml 0.8.16",
+ "toml 0.8.19",
  "vswhom",
  "winreg",
 ]
@@ -1520,9 +1514,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.2.6"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
+checksum = "de3fc2e30ba82dd1b3911c8de1ffc143c74a914a14e99514d7637e3099df5ea0"
 dependencies = [
  "equivalent",
  "hashbrown 0.14.5",
@@ -2360,7 +2354,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42cf17e9a1800f5f396bc67d193dc9411b59012a5876445ef450d449881e1016"
 dependencies = [
  "base64 0.22.1",
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "quick-xml",
  "serde",
  "time",
@@ -2387,9 +2381,12 @@ checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.17"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+checksum = "dee4364d9f3b902ef14fab8a1ddffb783a1cb6b4bba3bfc1fa3922732c7de97f"
+dependencies = [
+ "zerocopy",
+]
 
 [[package]]
 name = "precomputed-hash"
@@ -2814,11 +2811,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.120"
+version = "1.0.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e0d21c9a8cae1235ad58a00c11cb40d4b1e5c784f1ef2c537876ed6ffd8b7c5"
+checksum = "4ab380d7d9f22ef3f21ad3e6c1ebe8e4fc7a2000ccba2e4d71fc96f15b2cb609"
 dependencies = [
  "itoa 1.0.11",
+ "memchr",
  "ryu",
  "serde",
 ]
@@ -2875,7 +2873,7 @@ dependencies = [
  "chrono",
  "hex",
  "indexmap 1.9.3",
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "serde",
  "serde_derive",
  "serde_json",
@@ -2917,6 +2915,10 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "services-sesam-vitale-sys"
+version = "0.1.0"
+
 [[package]]
 name = "servo_arc"
 version = "0.1.1"
@@ -2931,7 +2933,6 @@ dependencies = [
 name = "sesam-vitale"
 version = "0.1.0"
 dependencies = [
- "dotenv",
  "libc",
 ]
 
@@ -3142,7 +3143,7 @@ dependencies = [
  "cfg-expr",
  "heck 0.5.0",
  "pkg-config",
- "toml 0.8.16",
+ "toml 0.8.19",
  "version-compare",
 ]
 
@@ -3198,15 +3199,15 @@ dependencies = [
 
 [[package]]
 name = "target-lexicon"
-version = "0.12.15"
+version = "0.12.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4873307b7c257eddcb50c9bedf158eb669578359fb28428bef438fec8e6ba7c2"
+checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
 
 [[package]]
 name = "tauri"
-version = "2.0.0-beta.24"
+version = "2.0.0-beta.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3eab508aad4ae86e23865e294b20a7bb89bd7afea523897b7478329b841d4295"
+checksum = "4339c67eb7700fe4a80ad6507e3b9af0b4159959f3d74aae48feed298baf4cbf"
 dependencies = [
  "anyhow",
  "bytes",
@@ -3269,7 +3270,7 @@ dependencies = [
  "serde_json",
  "tauri-utils",
  "tauri-winres",
- "toml 0.8.16",
+ "toml 0.8.19",
  "walkdir",
 ]
 
@@ -3316,9 +3317,9 @@ dependencies = [
 
 [[package]]
 name = "tauri-runtime"
-version = "2.0.0-beta.20"
+version = "2.0.0-beta.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe978df03966febbebc608931dc2cf26ef94df70855a18b05f07134cf474de09"
+checksum = "189510033be50f6fde35cfa50b50c7ab4e0ced0c867ae0f643b4907b8385bbe5"
 dependencies = [
  "dpi",
  "gtk",
@@ -3335,9 +3336,9 @@ dependencies = [
 
 [[package]]
 name = "tauri-runtime-wry"
-version = "2.0.0-beta.20"
+version = "2.0.0-beta.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11e4d568f61095f507b3fc4254dfbfff3b20de2a1d66167ffca3f6d90b14db8f"
+checksum = "6938bd63b6658e7b08f0fe2151390148ee5a8ccdba100d4dff961d2c8734d9a9"
 dependencies = [
  "cocoa",
  "gtk",
@@ -3386,7 +3387,7 @@ dependencies = [
  "serde_with",
  "swift-rs",
  "thiserror",
- "toml 0.8.16",
+ "toml 0.8.19",
  "url",
  "urlpattern",
  "walkdir",
@@ -3497,9 +3498,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.39.1"
+version = "1.39.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d040ac2b29ab03b09d4129c2f5bbd012a3ac2f79d38ff506a4bf8dd34b0eac8a"
+checksum = "daa4fb1bc778bd6f04cbfc4bb2d06a7396a8f299dc33ea1900cedaa316f467b1"
 dependencies = [
  "backtrace",
  "bytes",
@@ -3549,21 +3550,21 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.8.16"
+version = "0.8.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81967dd0dd2c1ab0bc3468bd7caecc32b8a4aa47d0c8c695d8c2b2108168d62c"
+checksum = "a1ed1f98e3fdc28d6d910e6737ae6ab1a93bf1985935a1193e68f93eeb68d24e"
 dependencies = [
  "serde",
  "serde_spanned",
  "toml_datetime",
- "toml_edit 0.22.17",
+ "toml_edit 0.22.20",
 ]
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.7"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8fb9f64314842840f1d940ac544da178732128f1c78c21772e876579e0da1db"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
 dependencies = [
  "serde",
 ]
@@ -3574,7 +3575,7 @@ version = "0.19.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
@@ -3587,22 +3588,22 @@ version = "0.20.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70f427fce4d84c72b5b732388bf4a9f4531b53f74e2887e3ecb2481f68f66d81"
 dependencies = [
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "toml_datetime",
  "winnow 0.5.40",
 ]
 
 [[package]]
 name = "toml_edit"
-version = "0.22.17"
+version = "0.22.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d9f8729f5aea9562aac1cc0441f5d6de3cff1ee0c5d67293eeca5eb36ee7c16"
+checksum = "583c44c02ad26b0c3f3066fe629275e50627026c51ac2e595cca4c230ce1ce1d"
 dependencies = [
- "indexmap 2.2.6",
+ "indexmap 2.3.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
- "winnow 0.6.16",
+ "winnow 0.6.18",
 ]
 
 [[package]]
@@ -4453,9 +4454,9 @@ dependencies = [
 
 [[package]]
 name = "winnow"
-version = "0.6.16"
+version = "0.6.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b480ae9340fc261e6be3e95a1ba86d54ae3f9171132a73ce8d4bbaf68339507c"
+checksum = "68a9bda4691f099d435ad181000724da8e5899daa10713c2d432552b9ccd3a6f"
 dependencies = [
  "memchr",
 ]
@@ -4532,3 +4533,24 @@ dependencies = [
  "once_cell",
  "pkg-config",
 ]
+
+[[package]]
+name = "zerocopy"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "854e949ac82d619ee9a14c66a1b674ac730422372ccb759ce0c39cabcf2bf8e6"
+dependencies = [
+ "byteorder",
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "125139de3f6b9d625c39e2efdd73d41bdac468ccd556556440e322be0e1bbd91"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.72",
+]
diff --git a/Cargo.toml b/Cargo.toml
index ebb5ebe..7b89d55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,4 +4,4 @@ members = [
     "crates/app",
     "crates/sesam-vitale",
     "crates/desktop"
-]
+, "crates/services-sesam-vitale-sys"]
diff --git a/crates/services-sesam-vitale-sys/Cargo.toml b/crates/services-sesam-vitale-sys/Cargo.toml
index c241e61..21610d1 100644
--- a/crates/services-sesam-vitale-sys/Cargo.toml
+++ b/crates/services-sesam-vitale-sys/Cargo.toml
@@ -2,5 +2,3 @@
 name = "services-sesam-vitale-sys"
 version = "0.1.0"
 edition = "2021"
-
-[dependencies]
diff --git a/crates/services-sesam-vitale-sys/build.rs b/crates/services-sesam-vitale-sys/build.rs
deleted file mode 100644
index e69de29..0000000
diff --git a/crates/services-sesam-vitale-sys/src/lib.rs b/crates/services-sesam-vitale-sys/src/lib.rs
index 7d12d9a..0b4546e 100644
--- a/crates/services-sesam-vitale-sys/src/lib.rs
+++ b/crates/services-sesam-vitale-sys/src/lib.rs
@@ -1,3 +1,6 @@
+mod types;
+
+use types::*;
 pub fn add(left: usize, right: usize) -> usize {
     left + right
 }
diff --git a/crates/services-sesam-vitale-sys/src/types.rs b/crates/services-sesam-vitale-sys/src/types.rs
new file mode 100644
index 0000000..2712402
--- /dev/null
+++ b/crates/services-sesam-vitale-sys/src/types.rs
@@ -0,0 +1,176 @@
+struct Identification<T> {
+    value: T,
+    // Key to check the validity of the value
+    // TODO: implement checking algorithm
+    key: u8,
+}
+type Byte = u8;
+
+enum IdentificationNationale {
+    NumeroAdeli(String),
+    NumeroEmployeeDansStructure(IdentificationStructure, String),
+    NumeroDRASS(String),
+    NumeroRPPS(String),
+    /// N° Etudiant Médecin type ADELI sur 9 caractères (information transmise par l’ANS)
+    NumeroEtudiantMedecin(String),
+}
+
+enum TypeCarteProfessionnelSante {
+    /// Carte de Professionnel de Santé (CPS)
+    CarteDeProfessionnelSante,
+    /// Carte de Professionnel de Santé en Formation (CPF)
+    CarteDeProfessionnelSanteEnFormation,
+    /// Carte de Personnel d'Établissement de Santé (CDE/CPE)
+    CarteDePersonnelEtablissementSante,
+    /// Carte de Personnel Autorisé (CDA/CPA)
+    CarteDePersonnelAutorise,
+    /// Carte de Personne Morale
+    CarteDePersonneMorale,
+}
+
+enum CategorieCarteProfessionnelSante {
+    Reelle,
+    Test,
+    Demonstration,
+}
+
+enum CodeCivilite {
+    Adjudant,
+    Amiral,
+    Aspirant,
+    Aumônier,
+    Capitaine,
+    Cardinal,
+    Chanoine,
+    Colonel,
+    Commandant,
+    Commissaire,
+    Conseiller,
+    Directeur,
+    Docteur,
+    Douanier,
+    Epouxse, // Epoux(se)
+    Evêque,
+    Général,
+    Gouverneur,
+    Ingénieur,
+    Inspecteur,
+    Lieutenant,
+    Madame,
+    Mademoiselle,
+    Maître,
+    Maréchal,
+    Médecin,
+    Mesdames,
+    Mesdemoiselles,
+    Messieurs,
+    Monseigneur,
+    Monsieur,
+    NotreDame,
+    Pasteur,
+    Préfet,
+    Président,
+    Professeur,
+    Recteur,
+    Sergent,
+    SousPréfet,
+    Technicien,
+    Veuve,
+}
+
+struct CarteProfessionnelSante {
+    type_carte: TypeCarteProfessionnelSante,
+    categorie_carte: CategorieCarteProfessionnelSante,
+    professionnel_sante: ProfessionnelDeSante,
+}
+
+struct ProfessionnelDeSante {
+    prenom: String,
+    nom: String,
+    code_civilite: CodeCivilite,
+    identification_nationale: Identification<IdentificationNationale>,
+    situations_execice: Vec<SituationDExercice>,
+}
+
+enum IdentificationStructure {
+    NumeroAdeliCabinet(String),
+    NumeroFINESS(String),
+    NumeroSIREN(String),
+    NumeroSIRET(String),
+    NumeroRPPSCabinet(String),
+}
+
+struct StructureMedicale {
+    identification: Identification<IdentificationStructure>,
+    raison_sociale: String, // Nom Entreprise
+}
+
+enum ModeExercice {
+    LiberalExploitantCommercant, // Libéral, exploitant, commerçant
+    Salarie,
+    Remplacant,
+    Benevole,
+}
+
+enum StatutExercice {
+    // TAB-Statuts géré par l’ANS il faut trouver la donnee
+    PLACEHOLDER(u8),
+}
+
+enum SecteurActivite {
+    EtablissementPublicDeSanté,
+    HopitauxMilitaires,
+    EtablissementPrivePSPH, // Participant au Service Public Hospitalier
+    EtablissementPriveNonPSPH,
+    DispensaireDeSoins,
+    AutresStructuresDeSoinsRelevantDuServiceDeSanteDesArmees,
+    CabinetIndividuel,
+    CabinetDeGroupe,
+    ExerciceEnSociete,
+    SecteurPrivePHTempsPlein,
+    TransportSanitaire,
+    EntrepriseDInterim,
+    EtablissementDeSoinsEtPrevention,
+    PreventionEtSoinsEnEntreprise,
+    SanteScolaireEtUniversitaire,
+    RecrutementEtGestionRH,
+    PMIPlanificationFamiliale,
+    EtablissementPourHandicapes,
+    ComMarketingConsultingMedia,
+    EtablissementPersonnesAgees,
+    EtablissementAideaLaFamille,
+    EtablissementDEnseignement,
+    EtablissementsDeProtectionDeLEnfance,
+    EtablissementsDHebergementEtDeReadaptation,
+    Recherche,
+    AssurancePrivee,
+    OrganismeDeSecuriteSociale,
+    MinistèreEtServicesDeconcentres,
+    CollectivitesTerritoriales,
+    AssociationsEtOrganitationsHumanitaire,
+    LaboratoireDeBiologieMedicale,
+    AutreEtablissementSanitaire,
+    ProductionCommercialisationGrosBienMedicaux,
+    CommerceDétailDeBiensMédicaux,
+    PharmacieDOfficine,
+    CentreDeDialyse,
+    ParaPharmacie,
+    AutreSecteurDActivité,
+    SecteurNonDefini,
+    CentreAntiCancer,
+    CentreDeTransfusionSanguine,
+    RépartitionDistribributionFabricationExploitationImportationMedicamentsEtDispositifsMédicaux,
+    IncendiesEtSecours,
+    EntreprisesIndustriellesEtTertiairesHorsIndustriesPharmaceutiques,
+
+    EntiteDUnTOM,
+    FabricationExploitationImportationMedicamentsEtDispositifsMedicaux,
+}
+struct SituationDExercice {
+    /// Numéro identifiant la situation du PS parmi ses autres situations inscrites sur sa CPS
+    identifiant_situation: Byte,
+    mode_exercice: Option<ModeExercice>,
+    statut_exercice: Option<StatutExercice>,
+    secteur_activite: Option<SecteurActivite>,
+    structure_d_exercice: Option<StructureMedicale>,
+}