diff --git a/idhub/admin/views.py b/idhub/admin/views.py
index 5d8d15c..44e36af 100644
--- a/idhub/admin/views.py
+++ b/idhub/admin/views.py
@@ -17,6 +17,7 @@ from django.views.generic.edit import (
     UpdateView,
 )
 from django.shortcuts import get_object_or_404, redirect
+from django.core.cache import cache
 from django.urls import reverse_lazy
 from django.http import HttpResponse
 from django.contrib import messages
@@ -645,13 +646,14 @@ class DidRegisterView(Credentials, CreateView):
 
     def form_valid(self, form):
         form.instance.user = self.request.user
-        form.instance.set_did()
+        form.instance.set_did(cache.get("KEY_DIDS"))
         form.save()
         messages.success(self.request, _('DID created successfully'))
         Event.set_EV_ORG_DID_CREATED_BY_ADMIN(form.instance)
         return super().form_valid(form)
 
 
+
 class DidEditView(Credentials, UpdateView):
     template_name = "idhub/admin/did_register.html"
     subtitle = _('Organization Identities (DID)')
diff --git a/idhub/management/commands/initial_datas.py b/idhub/management/commands/initial_datas.py
index e7082f7..2dd6ad6 100644
--- a/idhub/management/commands/initial_datas.py
+++ b/idhub/management/commands/initial_datas.py
@@ -7,6 +7,7 @@ from utils import credtools
 from django.conf import settings
 from django.core.management.base import BaseCommand, CommandError
 from django.contrib.auth import get_user_model
+from django.core.cache import cache
 from decouple import config
 from idhub.models import DID, Schemas
 from oidc4vp.models import Organization
@@ -36,17 +37,25 @@ class Command(BaseCommand):
                 self.create_organizations(r[0].strip(), r[1].strip())
         self.sync_credentials_organizations("pangea.org", "somconnexio.coop")
         self.sync_credentials_organizations("local 8000", "local 9000")
-        self.create_defaults_dids()
         self.create_schemas()
 
     def create_admin_users(self, email, password):
-        User.objects.create_superuser(email=email, password=password)
+        su = User.objects.create_superuser(email=email, password=password)
+        su.set_encrypted_sensitive_data(password)
+        su.save()
+        key = su.decrypt_sensitive_data(password)
+        key_dids = {su.id: key}
+        cache.set("KEY_DIDS", key_dids, None)
+        self.create_defaults_dids(su, key)
 
 
     def create_users(self, email, password):
-        u= User.objects.create(email=email, password=password)
+        u = User.objects.create(email=email, password=password)
         u.set_password(password)
+        u.set_encrypted_sensitive_data(password)
         u.save()
+        key = u.decrypt_sensitive_data(password)
+        self.create_defaults_dids(u, key)
 
 
     def create_organizations(self, name, url):
@@ -61,12 +70,10 @@ class Command(BaseCommand):
         org1.my_client_secret = org2.client_secret
         org1.save()
         org2.save()
-
-    def create_defaults_dids(self):
-        for u in User.objects.all():
-            did = DID(label="Default", user=u, type=DID.Types.KEY)
-            did.set_did()
-            did.save()
+    def create_defaults_dids(self, u, password):
+        did = DID(label="Default", user=u, type=DID.Types.KEY)
+        did.set_did(password)
+        did.save()
 
     def create_schemas(self):
         schemas_files = os.listdir(settings.SCHEMAS_DIR)
diff --git a/idhub/migrations/0001_initial.py b/idhub/migrations/0001_initial.py
index 72ae46f..321e70a 100644
--- a/idhub/migrations/0001_initial.py
+++ b/idhub/migrations/0001_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2024-01-16 13:04
+# Generated by Django 4.2.5 on 2024-01-17 13:11
 
 from django.conf import settings
 from django.db import migrations, models
@@ -34,7 +34,7 @@ class Migration(migrations.Migration):
                 ('created_at', models.DateTimeField(auto_now=True)),
                 ('label', models.CharField(max_length=50, verbose_name='Label')),
                 ('did', models.CharField(max_length=250)),
-                ('key_material', models.CharField(max_length=250)),
+                ('key_material', models.CharField(max_length=255)),
                 ('didweb_document', models.TextField()),
                 (
                     'user',
diff --git a/idhub/models.py b/idhub/models.py
index c4da900..d2199c3 100644
--- a/idhub/models.py
+++ b/idhub/models.py
@@ -5,8 +5,11 @@ import datetime
 from collections import OrderedDict
 from django.db import models
 from django.conf import settings
+from django.core.cache import cache
 from django.template.loader import get_template
 from django.utils.translation import gettext_lazy as _
+from nacl import secret
+
 from utils.idhub_ssikit import (
     generate_did_controller_key,
     keydid_from_controller_key,
@@ -419,7 +422,7 @@ class DID(models.Model):
     # In JWK format. Must be stored as-is and passed whole to library functions.
     # Example key material:
     # '{"kty":"OKP","crv":"Ed25519","x":"oB2cPGFx5FX4dtS1Rtep8ac6B__61HAP_RtSzJdPxqs","d":"OJw80T1CtcqV0hUcZdcI-vYNBN1dlubrLaJa0_se_gU"}'
-    key_material = models.CharField(max_length=250)
+    key_material = models.CharField(max_length=255)
     user = models.ForeignKey(
         User,
         on_delete=models.CASCADE,
@@ -428,25 +431,32 @@ class DID(models.Model):
     )
     didweb_document = models.TextField()
 
+    def get_key_material(self, password):
+        return self.user.decrypt_data(self.key_material, password)
+
+    def set_key_material(self, value, password):
+        self.key_material = self.user.encrypt_data(value, password)
+        
     @property
     def is_organization_did(self):
         if not self.user:
             return True
         return False
 
-    def set_did(self):
-        self.key_material = generate_did_controller_key()
+    def set_did(self, password):
+        new_key_material = generate_did_controller_key()
+        self.set_key_material(new_key_material, password)
+
         if self.type == self.Types.KEY:
-            self.did = keydid_from_controller_key(self.key_material)
+            self.did = keydid_from_controller_key(new_key_material)
         elif self.type == self.Types.WEB:
-            didurl, document = webdid_from_controller_key(self.key_material)
+            didurl, document = webdid_from_controller_key(new_key_material)
             self.did = didurl
             self.didweb_document = document
 
     def get_key(self):
         return json.loads(self.key_material)
 
-
 class Schemas(models.Model):
     type = models.CharField(max_length=250)
     file_schema = models.CharField(max_length=250)
@@ -518,6 +528,14 @@ class VerificableCredential(models.Model):
         related_name='vcredentials',
     )
 
+    def get_data(self, password):
+        if not self.data:
+            return ""
+        return self.user.decrypt_data(self.data, password)
+
+    def set_data(self, value, password):
+        self.data = self.user.encrypt_data(value, password)
+
     def type(self):
         return self.schema.type
 
@@ -547,20 +565,23 @@ class VerificableCredential(models.Model):
         data = json.loads(self.csv_data).items()
         return data
 
-    def issue(self, did):
+    def issue(self, did, password):
         if self.status == self.Status.ISSUED:
             return
 
-        # self.status = self.Status.ISSUED
+        self.status = self.Status.ISSUED
         self.subject_did = did
         self.issued_on = datetime.datetime.now().astimezone(pytz.utc)
-        d_ordered = ujson.loads(self.render())
-        d_minimum = self.filter_dict(d_ordered)
-        data = ujson.dumps(d_minimum)
-        self.data = sign_credential(
-            data,
-            self.issuer_did.key_material
+        issuer_pass = cache.get("KEY_DIDS")
+        # issuer_pass = self.user.decrypt_data(
+        #     cache.get("KEY_DIDS"),
+        #     settings.SECRET_KEY,
+        # )
+        data = sign_credential(
+            self.render(),
+            self.issuer_did.get_key_material(issuer_pass)
         )
+        self.data = self.user.encrypt_data(data, password)
 
     def get_context(self):
         d = json.loads(self.csv_data)
@@ -596,7 +617,9 @@ class VerificableCredential(models.Model):
             self.schema.file_schema
         )
         tmpl = get_template(template_name)
-        return tmpl.render(context)
+        d_ordered = ujson.loads(tmpl.render(context))
+        d_minimum = self.filter_dict(d_ordered)
+        return ujson.dumps(d_minimum)
 
 
     def get_issued_on(self):
diff --git a/idhub/urls.py b/idhub/urls.py
index 8b92d93..5d52840 100644
--- a/idhub/urls.py
+++ b/idhub/urls.py
@@ -17,7 +17,7 @@ Including another URLconf
 from django.contrib.auth import views as auth_views
 from django.views.generic import RedirectView
 from django.urls import path, reverse_lazy
-from .views import LoginView, serve_did
+from .views import LoginView, PasswordResetConfirmView, serve_did
 from .admin import views as views_admin
 from .user import views as views_user
 # from .verification_portal import views as views_verification_portal
@@ -45,13 +45,16 @@ urlpatterns = [
         ),
         name='password_reset_done'
     ),
-    path('auth/reset/<uidb64>/<token>/',
-        auth_views.PasswordResetConfirmView.as_view(
-            template_name='auth/password_reset_confirm.html',
-            success_url=reverse_lazy('idhub:password_reset_complete')
-        ),
+    path('auth/reset/<uidb64>/<token>/', PasswordResetConfirmView.as_view(),
         name='password_reset_confirm'
     ),
+    # path('auth/reset/<uidb64>/<token>/',
+    #     auth_views.PasswordResetConfirmView.as_view(
+    #         template_name='auth/password_reset_confirm.html',
+    #         success_url=reverse_lazy('idhub:password_reset_complete')
+    #     ),
+    #     name='password_reset_confirm'
+    # ),
     path('auth/reset/done/',
         auth_views.PasswordResetCompleteView.as_view(
             template_name='auth/password_reset_complete.html'
diff --git a/idhub/user/forms.py b/idhub/user/forms.py
index f9eda6a..e5530fa 100644
--- a/idhub/user/forms.py
+++ b/idhub/user/forms.py
@@ -24,6 +24,7 @@ class RequestCredentialForm(forms.Form):
         self.user = kwargs.pop('user', None)
         self.lang = kwargs.pop('lang', None)
         self._domain = kwargs.pop('domain', None)
+        self.password = kwargs.pop('password', None)
         super().__init__(*args, **kwargs)
         self.fields['did'].choices = [
             (x.did, x.label) for x in DID.objects.filter(user=self.user)
@@ -52,7 +53,8 @@ class RequestCredentialForm(forms.Form):
         cred = cred[0]
         cred._domain = self._domain
         try:
-            cred.issue(did)
+            if self.password:
+                cred.issue(did, self.password)
         except Exception:
             return
 
diff --git a/idhub/user/views.py b/idhub/user/views.py
index 29153e6..37144cb 100644
--- a/idhub/user/views.py
+++ b/idhub/user/views.py
@@ -120,7 +120,15 @@ class CredentialJsonView(MyWallet, TemplateView):
             pk=pk,
             user=self.request.user
         )
-        response = HttpResponse(self.object.data, content_type="application/json")
+        pass_enc = self.request.session.get("key_did")
+        data = ""
+        if pass_enc:
+            user_pass = self.request.user.decrypt_data(
+                pass_enc,
+                self.request.user.password+self.request.session._session_key
+            )
+            data = self.object.get_data(user_pass)
+        response = HttpResponse(data, content_type="application/json")
         response['Content-Disposition'] = 'attachment; filename={}'.format("credential.json")
         return response
 
@@ -138,6 +146,15 @@ class CredentialsRequestView(MyWallet, FormView):
         kwargs['lang'] = self.request.LANGUAGE_CODE
         domain = "{}://{}".format(self.request.scheme, self.request.get_host())
         kwargs['domain'] = domain
+        pass_enc = self.request.session.get("key_did")
+        if pass_enc:
+            user_pass = self.request.user.decrypt_data(
+                pass_enc,
+                self.request.user.password+self.request.session._session_key
+            )
+        else:
+            pass_enc = None
+        kwargs['password'] = user_pass
         return kwargs
     
     def form_valid(self, form):
@@ -208,7 +225,11 @@ class DidRegisterView(MyWallet, CreateView):
 
     def form_valid(self, form):
         form.instance.user = self.request.user
-        form.instance.set_did()
+        pw = self.request.user.decrypt_data(
+            self.request.session.get("key_did"),
+            self.request.user.password+self.request.session._session_key
+        )
+        form.instance.set_did(pw)
         form.save()
         messages.success(self.request, _('DID created successfully'))
 
diff --git a/idhub/views.py b/idhub/views.py
index 851011f..f513353 100644
--- a/idhub/views.py
+++ b/idhub/views.py
@@ -1,5 +1,7 @@
 from django.shortcuts import get_object_or_404
 from django.urls import reverse_lazy
+from django.conf import settings
+from django.core.cache import cache
 from django.utils.translation import gettext_lazy as _
 from django.contrib.auth import views as auth_views
 from django.contrib.auth import login as auth_login
@@ -25,13 +27,41 @@ class LoginView(auth_views.LoginView):
 
     def form_valid(self, form):
         user = form.get_user()
+        password = form.cleaned_data.get("password")
+        auth_login(self.request, user)
+
+        sensitive_data_encryption_key = user.decrypt_sensitive_data(password)
+
         if not user.is_anonymous and user.is_admin:
             admin_dashboard = reverse_lazy('idhub:admin_dashboard')
             self.extra_context['success_url'] = admin_dashboard
-        auth_login(self.request, user)
+            # encryption_key = user.encrypt_data(
+            #     sensitive_data_encryption_key,
+            #     settings.SECRET_KEY
+            # )
+            # cache.set("KEY_DIDS", encryption_key, None)
+            cache.set("KEY_DIDS", sensitive_data_encryption_key, None)
+
+        self.request.session["key_did"] = user.encrypt_data(
+            sensitive_data_encryption_key,
+            user.password+self.request.session._session_key
+        )
+
         return HttpResponseRedirect(self.extra_context['success_url'])
 
 
+class PasswordResetConfirmView(auth_views.PasswordResetConfirmView):
+    template_name = 'auth/password_reset_confirm.html'
+    success_url = reverse_lazy('idhub:password_reset_complete')
+
+    def form_valid(self, form):
+        password = form.cleaned_data.get("password")
+        user = form.get_user()
+        user.set_encrypted_sensitive_data(password)
+        user.save()
+        return HttpResponseRedirect(self.success_url)
+
+
 def serve_did(request, did_id):
     id_did = f'did:web:{settings.DOMAIN}:did-registry:{did_id}'
     did = get_object_or_404(DID, did=id_did)
diff --git a/idhub_auth/forms.py b/idhub_auth/forms.py
index f4279b7..d9ff2f7 100644
--- a/idhub_auth/forms.py
+++ b/idhub_auth/forms.py
@@ -31,4 +31,3 @@ class ProfileForm(forms.ModelForm):
 
         return last_name
 
-
diff --git a/idhub_auth/migrations/0001_initial.py b/idhub_auth/migrations/0001_initial.py
index dd15670..ee8f4a9 100644
--- a/idhub_auth/migrations/0001_initial.py
+++ b/idhub_auth/migrations/0001_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2024-01-16 13:04
+# Generated by Django 4.2.5 on 2024-01-17 13:11
 
 from django.db import migrations, models
 
@@ -48,6 +48,8 @@ class Migration(migrations.Migration):
                         blank=True, max_length=255, null=True, verbose_name='Last name'
                     ),
                 ),
+                ('encrypted_sensitive_data', models.CharField(max_length=255)),
+                ('salt', models.CharField(max_length=255)),
             ],
             options={
                 'abstract': False,
diff --git a/idhub_auth/models.py b/idhub_auth/models.py
index 07a7896..38224b2 100644
--- a/idhub_auth/models.py
+++ b/idhub_auth/models.py
@@ -1,4 +1,9 @@
+import nacl
+import base64
+
+from nacl import pwhash
 from django.db import models
+from django.core.cache import cache
 from django.utils.translation import gettext_lazy as _
 from django.contrib.auth.models import BaseUserManager, AbstractBaseUser
 
@@ -44,6 +49,8 @@ class User(AbstractBaseUser):
     is_admin = models.BooleanField(default=False)
     first_name = models.CharField(_("First name"), max_length=255, blank=True, null=True)
     last_name = models.CharField(_("Last name"), max_length=255, blank=True, null=True)
+    encrypted_sensitive_data = models.CharField(max_length=255)
+    salt = models.CharField(max_length=255)
 
     objects = UserManager()
 
@@ -86,3 +93,65 @@ class User(AbstractBaseUser):
             for r in s.service.rol.all():
                 roles.append(r.name)
         return ", ".join(set(roles))
+
+    def derive_key_from_password(self, password):
+        kdf = pwhash.argon2i.kdf
+        ops = pwhash.argon2i.OPSLIMIT_INTERACTIVE
+        mem = pwhash.argon2i.MEMLIMIT_INTERACTIVE
+        return kdf(
+            nacl.secret.SecretBox.KEY_SIZE,
+            password,
+            self.get_salt(),
+            opslimit=ops,
+            memlimit=mem
+        )
+
+    def decrypt_sensitive_data(self, password, data=None):
+        sb_key = self.derive_key_from_password(password.encode('utf-8'))
+        sb = nacl.secret.SecretBox(sb_key)
+        if not data:
+            data = self.get_encrypted_sensitive_data()
+        if not isinstance(data, bytes):
+            data = data.encode('utf-8')
+
+        return sb.decrypt(data).decode('utf-8')
+
+    def encrypt_sensitive_data(self, password, data):
+        sb_key = self.derive_key_from_password(password.encode('utf-8'))
+        sb = nacl.secret.SecretBox(sb_key)
+        if not isinstance(data, bytes):
+            data = data.encode('utf-8')
+        
+        return base64.b64encode(sb.encrypt(data)).decode('utf-8')
+
+    def get_salt(self):
+        return base64.b64decode(self.salt.encode('utf-8'))
+
+    def set_salt(self):
+        self.salt = base64.b64encode(nacl.utils.random(16)).decode('utf-8')
+
+    def get_encrypted_sensitive_data(self):
+        return base64.b64decode(self.encrypted_sensitive_data.encode('utf-8'))
+
+    def set_encrypted_sensitive_data(self, password):
+        key = base64.b64encode(nacl.utils.random(64))
+        self.set_salt()
+
+        key_crypted = self.encrypt_sensitive_data(password, key)
+        self.encrypted_sensitive_data = key_crypted
+
+    def encrypt_data(self, data, password):
+        sb = self.get_secret_box(password)
+        value_enc = sb.encrypt(data.encode('utf-8'))
+        return base64.b64encode(value_enc).decode('utf-8')
+
+    def decrypt_data(self, data, password):
+        # import pdb; pdb.set_trace()
+        sb = self.get_secret_box(password)
+        value = base64.b64decode(data.encode('utf-8'))
+        return sb.decrypt(value).decode('utf-8')
+
+    def get_secret_box(self, password):
+        pw = base64.b64decode(password.encode('utf-8')*4)
+        sb_key = self.derive_key_from_password(pw)
+        return nacl.secret.SecretBox(sb_key)
diff --git a/oidc4vp/migrations/0001_initial.py b/oidc4vp/migrations/0001_initial.py
index 2b7618b..586b4e1 100644
--- a/oidc4vp/migrations/0001_initial.py
+++ b/oidc4vp/migrations/0001_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2024-01-16 13:04
+# Generated by Django 4.2.5 on 2024-01-17 13:11
 
 from django.conf import settings
 from django.db import migrations, models
diff --git a/promotion/migrations/0001_initial.py b/promotion/migrations/0001_initial.py
index 85bdefd..1aff341 100644
--- a/promotion/migrations/0001_initial.py
+++ b/promotion/migrations/0001_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2024-01-16 13:04
+# Generated by Django 4.2.5 on 2024-01-17 13:11
 
 from django.db import migrations, models
 import django.db.models.deletion
diff --git a/requirements.txt b/requirements.txt
index 13da29d..0c859a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,7 @@ requests==2.31.0
 jinja2==3.1.2
 jsonref==1.1.0
 pyld==2.0.3
+pynacl==1.5.0
 more-itertools==10.1.0
 dj-database-url==2.1.0
 ujson==5.9.0
diff --git a/trustchain_idhub/settings.py b/trustchain_idhub/settings.py
index 6091fe0..7c450b7 100644
--- a/trustchain_idhub/settings.py
+++ b/trustchain_idhub/settings.py
@@ -149,6 +149,7 @@ AUTH_PASSWORD_VALIDATORS = [
     },
 ]
 
+SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
 
 # Internationalization
 # https://docs.djangoproject.com/en/4.2/topics/i18n/