]> Cypherpunks.ru repositories - pygost.git/blobdiff - pygost/gost3410.py
Human readable curve name
[pygost.git] / pygost / gost3410.py
index f4c0538476265e44194cb816cc8727b9ac2a4083..96520cb48d7bce6919a19365d25d459d4288ef0f 100644 (file)
@@ -53,8 +53,9 @@ class GOST3410Curve(object):
                       the canonical form
     :param long e, d: coefficients of the equation of the elliptic curve in
                       the twisted Edwards form
+    :param str name: human-readable curve name
     """
-    def __init__(self, p, q, a, b, x, y, cofactor=1, e=None, d=None):
+    def __init__(self, p, q, a, b, x, y, cofactor=1, e=None, d=None, name=None):
         self.p = p
         self.q = q
         self.a = a
@@ -67,11 +68,15 @@ class GOST3410Curve(object):
         if not self.contains((x, y)):
             raise ValueError("Invalid parameters")
         self._st = None
+        self.name = name
 
     @property
     def point_size(self):
         return point_size(self.p)
 
+    def __repr__(self):
+        return "<%s: %s>" % (self.__class__.__name__, self.name)
+
     def pos(self, v):
         """Make positive number
         """
@@ -231,6 +236,8 @@ CURVES["id-tc26-gost-3410-2012-512-paramSetTest"] = CURVES["id-tc26-gost-3410-12
 CURVES["id-tc26-gost-3410-2012-512-paramSetA"] = CURVES["id-tc26-gost-3410-12-512-paramSetA"]
 CURVES["id-tc26-gost-3410-2012-512-paramSetB"] = CURVES["id-tc26-gost-3410-12-512-paramSetB"]
 CURVES["id-tc26-gost-3410-2012-512-paramSetC"] = CURVES["id-tc26-gost-3410-12-512-paramSetC"]
+for name, curve in CURVES.items():
+    curve.name = name
 DEFAULT_CURVE = CURVES["id-tc26-gost-3410-12-256-paramSetB"]