diff --git a/pom.xml b/pom.xml
index af0b331..6ae0290 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,6 +8,19 @@
     <version>1.0-SNAPSHOT</version>
     <name>SAE 201</name>
     <url>https://maven.apache.org</url>
+
+    <repositories>
+        <repository>
+            <id>central</id>
+            <name>Maven Central</name>
+            <layout>default</layout>
+            <url>https://repo1.maven.org/maven2</url>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.release>17</maven.compiler.release>
@@ -20,6 +33,13 @@
     </properties>
 
     <dependencies>
+
+        <dependency>
+            <groupId>de.mkammerer</groupId>
+            <artifactId>argon2-jvm</artifactId>
+            <version>2.11</version>
+        </dependency>
+
         <dependency>
             <groupId>org.xerial</groupId>
             <artifactId>sqlite-jdbc</artifactId>
@@ -134,6 +154,12 @@
             <artifactId>jakarta.activation-api</artifactId>
             <version>2.1.0</version>
         </dependency>
+        <dependency>
+            <groupId>net.java.dev.jna</groupId>
+            <artifactId>jna</artifactId>
+            <version>5.8.0</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/src/main/java/fr/univ_amu/iut/secret/LocalSecretProvider.java b/src/main/java/fr/univ_amu/iut/secret/LocalSecretProvider.java
new file mode 100644
index 0000000..3614732
--- /dev/null
+++ b/src/main/java/fr/univ_amu/iut/secret/LocalSecretProvider.java
@@ -0,0 +1,16 @@
+package fr.univ_amu.iut.secret;
+
+import de.mkammerer.argon2.Argon2;
+import de.mkammerer.argon2.Argon2Factory;
+
+public class LocalSecretProvider implements SecretProvider {
+
+	private static String ARGON_HASH = "$argon2id$v=19$m=16,t=2,p=1$Tms1dkJYWEZ5OTdJTndVTg$+iBsHiILEshy1JLZsTfZFQ";
+	private static Argon2 argon2 = Argon2Factory.create(Argon2Factory.Argon2Types.ARGON2id);
+
+
+	@Override
+	public boolean isSecretValid(String secret) {
+		return argon2.verify(ARGON_HASH, secret.getBytes());
+	}
+}
diff --git a/src/main/java/fr/univ_amu/iut/secret/SecretProvider.java b/src/main/java/fr/univ_amu/iut/secret/SecretProvider.java
new file mode 100644
index 0000000..630e1e0
--- /dev/null
+++ b/src/main/java/fr/univ_amu/iut/secret/SecretProvider.java
@@ -0,0 +1,10 @@
+package fr.univ_amu.iut.secret;
+
+public interface SecretProvider {
+
+	static SecretProvider getInstance(){
+		return new LocalSecretProvider();
+	}
+
+	boolean isSecretValid(String secret);
+}
diff --git a/src/main/java/fr/univ_amu/iut/test/DAOUsageTest.java b/src/main/java/fr/univ_amu/iut/test/DAOUsageTest.java
index 6b77901..48405e2 100644
--- a/src/main/java/fr/univ_amu/iut/test/DAOUsageTest.java
+++ b/src/main/java/fr/univ_amu/iut/test/DAOUsageTest.java
@@ -14,8 +14,7 @@ public class DAOUsageTest implements DAOUsage{
 
     @Override
     public boolean delete(Usage obj) {
-        // TODO Auto-generated method stub
-        return false;
+        throw new UnsupportedOperationException();
     }
 
     @Override
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index f181730..9028ea3 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -7,6 +7,9 @@ open module francefx {
     requires transitive org.kordamp.ikonli.materialdesign;
     requires transitive org.kordamp.ikonli.core;
 
+    requires de.mkammerer.argon2.nolibs;
+    requires com.sun.jna;
+
     requires jakarta.persistence;
 
     exports fr.univ_amu.iut.view.map;