Add way of importing parameters from file.

2 files changed, 37 insertions, 1 deletions

diff --git a/test/data/curve.json b/test/data/curve.json
new file mode 100644
index 0000000..98d9ae7
--- /dev/null
+++ b/test/data/curve.json
@@ -0,0 +1,29 @@
+{
+  "name": "small",
+  "category": "test",
+  "desc": "A small prime order test curve.",
+  "field": {
+    "type": "Prime",
+    "p": "0xc5f5cd5e4a0beb9a445bd3b824e46d8b",
+    "bits": 128
+  },
+  "form": "Weierstrass",
+  "params": {
+    "a": {
+      "raw": "0x307c28b1209bb670e6b44f5ff6ee8118"
+    },
+    "b": {
+      "raw": "0xa3206b2b16fa6dd383acc084e649782a"
+    }
+  },
+  "generator": {
+    "x": {
+      "raw": "0xb805e6ee5f3cd8a9c103c3978b688391"
+    },
+    "y": {
+      "raw": "0x74b0a63b1cc5aa501a9e2101c16d9939"
+    }
+  },
+  "order": "0xc5f5cd5e4a0beb9b5515cd2847c4051d",
+  "cofactor": "0x01"
+}
\ No newline at end of file
diff --git a/test/ec/test_params.py b/test/ec/test_params.py
index 9de813b..2873a17 100644
--- a/test/ec/test_params.py
+++ b/test/ec/test_params.py
@@ -3,7 +3,7 @@ from unittest import TestCase
 from parameterized import parameterized
 
 from pyecsca.ec.coordinates import AffineCoordinateModel
-from pyecsca.ec.params import get_params
+from pyecsca.ec.params import get_params, load_params
 
 
 class DomainParameterTests(TestCase):
@@ -36,6 +36,13 @@ class DomainParameterTests(TestCase):
         except NotImplementedError:
             pass
 
+    def test_load_params(self):
+        params = load_params("test/data/curve.json", "projective")
+        try:
+            assert params.curve.is_on_curve(params.generator)
+        except NotImplementedError:
+            pass
+
     @parameterized.expand([
         ("no_category/some", "else"),
         ("secg/no_curve", "else"),