diff --git a/src/objects.c b/src/objects.c
index 8b523a43..671fa5a0 100644
--- a/src/objects.c
+++ b/src/objects.c
@@ -708,7 +708,26 @@ static CK_RV pre_process_ec_key_data(P11PROV_OBJ *key)
             key->data.key.bit_size = ED448_BIT_SIZE;
             key->data.key.size = ED448_BYTE_SIZE;
         } else {
-            return CKR_KEY_INDIGESTIBLE;
+            const unsigned char *p = attr->pValue;
+            ASN1_OBJECT *asn1_obj = d2i_ASN1_OBJECT(NULL, &p, attr->ulValueLen);
+            if (asn1_obj == NULL) {
+                return CKR_KEY_INDIGESTIBLE;
+            }
+            int nid = OBJ_obj2nid(asn1_obj);
+            ASN1_OBJECT_free(asn1_obj);
+            if (nid == NID_ED25519) {
+                curve_name = ED25519;
+                curve_nid = NID_ED25519;
+                key->data.key.bit_size = ED25519_BIT_SIZE;
+                key->data.key.size = ED25519_BYTE_SIZE;
+            } else if (nid == NID_ED448) {
+                curve_name = ED448;
+                curve_nid = NID_ED448;
+                key->data.key.bit_size = ED448_BIT_SIZE;
+                key->data.key.size = ED448_BYTE_SIZE;
+            } else {
+                return CKR_KEY_INDIGESTIBLE;
+            }
         }
     } else {
         return CKR_KEY_INDIGESTIBLE;