From 17c8f126c7c7d5ce886112a6e924277a7b203f25 Mon Sep 17 00:00:00 2001
From: Paul Kehrer <paul.l.kehrer@gmail.com>
Date: Thu, 15 Mar 2018 13:35:10 -0400
Subject: Brainpool curves (#4129)

* added brainpool ec-curves key_length >= 256bit

* limit brainpool curves to the set that appear required + docs

* oops

* typos all around me

* add brainpool ECDH kex tests

* switch to using rfc 7027 vectors

* review feedback

* empty commits are the best
---
 .../hazmat/primitives/asymmetric/ec.py             | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'src')

diff --git a/src/cryptography/hazmat/primitives/asymmetric/ec.py b/src/cryptography/hazmat/primitives/asymmetric/ec.py
index 7931b086..83266bb4 100644
--- a/src/cryptography/hazmat/primitives/asymmetric/ec.py
+++ b/src/cryptography/hazmat/primitives/asymmetric/ec.py
@@ -228,6 +228,24 @@ class SECP192R1(object):
     key_size = 192
 
 
+@utils.register_interface(EllipticCurve)
+class BrainpoolP256R1(object):
+    name = "brainpoolP256r1"
+    key_size = 256
+
+
+@utils.register_interface(EllipticCurve)
+class BrainpoolP384R1(object):
+    name = "brainpoolP384r1"
+    key_size = 384
+
+
+@utils.register_interface(EllipticCurve)
+class BrainpoolP512R1(object):
+    name = "brainpoolP512r1"
+    key_size = 512
+
+
 _CURVE_TYPES = {
     "prime192v1": SECP192R1,
     "prime256v1": SECP256R1,
@@ -250,6 +268,10 @@ _CURVE_TYPES = {
     "sect283r1": SECT283R1,
     "sect409r1": SECT409R1,
     "sect571r1": SECT571R1,
+
+    "brainpoolP256r1": BrainpoolP256R1,
+    "brainpoolP384r1": BrainpoolP384R1,
+    "brainpoolP512r1": BrainpoolP512R1,
 }
 
 
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