diff --git a/api/views.py b/api/views.py
index 116f3c4..188bcd7 100644
--- a/api/views.py
+++ b/api/views.py
@@ -118,7 +118,7 @@ class NewSnapshotView(ApiMixing):
         prop = SystemProperty.objects.filter(
             uuid=ev_uuid,
             # TODO this is hardcoded, it should select the user preferred algorithm
-            key="hidalgo1",
+            key="ereuse24",
             owner=self.tk.owner.institution
         ).first()
 
diff --git a/device/models.py b/device/models.py
index 8ade593..a385895 100644
--- a/device/models.py
+++ b/device/models.py
@@ -149,7 +149,7 @@ class Device:
                         ORDER BY
                             CASE
                                 WHEN t1.key = 'CUSTOM_ID' THEN 1
-                                WHEN t1.key = 'hidalgo1' THEN 2
+                                WHEN t1.key = 'ereuse24' THEN 2
                                 ELSE 3
                             END,
                             t1.created DESC
@@ -195,7 +195,7 @@ class Device:
                         ORDER BY
                             CASE
                                 WHEN t1.key = 'CUSTOM_ID' THEN 1
-                                WHEN t1.key = 'hidalgo1' THEN 2
+                                WHEN t1.key = 'ereuse24' THEN 2
                                 ELSE 3
                             END,
                             t1.created DESC
@@ -230,7 +230,7 @@ class Device:
                         ORDER BY
                             CASE
                                 WHEN t1.key = 'CUSTOM_ID' THEN 1
-                                WHEN t1.key = 'hidalgo1' THEN 2
+                                WHEN t1.key = 'ereuse24' THEN 2
                                 ELSE 3
                             END,
                             t1.created DESC
diff --git a/evidence/mixin_parse.py b/evidence/mixin_parse.py
index e0b4209..58351fb 100644
--- a/evidence/mixin_parse.py
+++ b/evidence/mixin_parse.py
@@ -31,11 +31,13 @@ class BuildMix:
         return hid
 
     def generate_chids(self):
-        self.algorithms = {
-            'hidalgo1': self.get_hid('hidalgo1'),
-        }
-        if settings.DPP:
-            self.algorithms["legacy_dpp"] = self.get_hid("legacy_dpp")
+        self.algorithms = {}
+        for k in ALGOS.keys():
+            if not settings.DPP and k == 'ereuse22':
+                continue
+
+            self.algorithms[k] = self.get_hid(k)
+
 
     def get_doc(self):
         self._get_components()
@@ -43,7 +45,7 @@ class BuildMix:
             c.pop("actions", None)
 
         components = sorted(self.components, key=lambda x: x.get("type"))
-        device = self.algorithms.get('legacy_dpp')
+        device = self.algorithms.get('ereuse22')
 
         doc = [("computer", device)]
 
@@ -51,7 +53,7 @@ class BuildMix:
             doc.append((c.get("type"), self.get_id_hw_dpp(c)))
 
     def get_id_hw_dpp(self, d):
-        algorithm = ALGOS.get("legacy_dpp", [])
+        algorithm = ALGOS.get("ereuse22", [])
         hid = ""
         for f in algorithm:
             hid += d.get(f, '')
diff --git a/evidence/models.py b/evidence/models.py
index 5753a50..a056736 100644
--- a/evidence/models.py
+++ b/evidence/models.py
@@ -209,7 +209,7 @@ class Evidence:
     def get_all(cls, user):
         return SystemProperty.objects.filter(
             owner=user.institution,
-            key="hidalgo1",
+            key="ereuse24",
         ).order_by("-created").values_list("uuid", "created").distinct()
 
     def set_components(self):
diff --git a/evidence/parse.py b/evidence/parse.py
index 7699c67..d73cff7 100644
--- a/evidence/parse.py
+++ b/evidence/parse.py
@@ -88,7 +88,7 @@ class Build:
         return hashlib.sha3_256(doc.encode()).hexdigest()
 
     def register_device_dlt(self):
-        legacy_dpp = self.build.algorithms.get('legacy_dpp')
+        legacy_dpp = self.build.algorithms.get('ereuse22')
         chid = self.sign(legacy_dpp)
         phid = self.sign(json.dumps(self.build.get_doc()))
         register_device_dlt(chid, phid, self.uuid, self.user)
diff --git a/utils/constants.py b/utils/constants.py
index 3104f59..64f9e1e 100644
--- a/utils/constants.py
+++ b/utils/constants.py
@@ -9,7 +9,7 @@ STR_EXTEND_SIZE = 256
 
 
 # Algorithms for build hids
-HID_ALGO1 = [
+EREUSE24 = [
     "manufacturer",
     "model",
     "chassis",
@@ -17,7 +17,8 @@ HID_ALGO1 = [
     "sku"
 ]
 
-LEGACY_DPP = [
+# EREUSE22 is used for build the chid of DPP
+EREUSE22 = [
     "manufacturer",
     "model",
     "chassis",
@@ -28,8 +29,8 @@ LEGACY_DPP = [
 ]
 
 ALGOS = {
-    "hidalgo1": HID_ALGO1,
-    "legacy_dpp": LEGACY_DPP
+    "ereuse24": EREUSE24,
+    "ereuse22": EREUSE22
 }