Merge remote branch 'origin/upstream-master'

Bug: b/309948071
Change-Id: I56453d65178cb632466f611861a535c0400211c1

1 files changed, 32 insertions, 0 deletions

diff --git a/private_join_and_compute/py/crypto_util/supported_curves.py b/private_join_and_compute/py/crypto_util/supported_curves.py
new file mode 100644
index 0000000..414389c
--- /dev/null
+++ b/private_join_and_compute/py/crypto_util/supported_curves.py
@@ -0,0 +1,32 @@
+# Copyright 2019 Google LLC.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+"""A list of supported elliptic curves."""
+
+
+class SupportedCurve:
+  """A SupportedCurve helper class.
+
+  The class encapsulates a curve name as well as the curve ID, as encoded by
+  the OpenSSL enum in openssl/ec.h.
+  """
+
+  def __init__(self, curve_name: str, curve_id: int):
+    self.curve_name = curve_name
+    self.id = curve_id
+
+
+SupportedCurve.SECP256R1 = SupportedCurve('secp256r1', 415)
+SupportedCurve.SECP384R1 = SupportedCurve('secp384r1', 715)