diff --git a/Security/DependencyInjection.cs b/Security/DependencyInjection.cs
new file mode 100644
index 0000000..4dbab98
--- /dev/null
+++ b/Security/DependencyInjection.cs
@@ -0,0 +1,28 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Mirea.Api.Security;
+
+public static class DependencyInjection
+{
+    public static IServiceCollection AddApplicationServices(this IServiceCollection services, IConfiguration configuration)
+    {
+        var saltSize = int.Parse(configuration["SECURITY_SALT_SIZE"]!);
+        var hashSize = int.Parse(configuration["SECURITY_HASH_SIZE"]!);
+        var iteration = int.Parse(configuration["SECURITY_HASH_ITERATION"]!);
+        var memory = int.Parse(configuration["SECURITY_HASH_MEMORY"]!);
+        var parallelism = int.Parse(configuration["SECURITY_HASH_PARALLELISM"]!);
+
+        services.AddSingleton(new PasswordHashService
+        {
+            SaltSize = saltSize,
+            HashSize = hashSize,
+            Iterations = iteration,
+            Memory = memory,
+            Parallelism = parallelism,
+            Secret = configuration["SECURITY_HASH_TOKEN"]
+        });
+
+        return services;
+    }
+}
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