Allow alternative crypto library cryptography.alternative_crypto_library

An alternative to PyCrypto is taking form and it would be
nice to allow users to choose which library they prefer to use
for their RSA signing. CC #226.

1 files changed, 4 insertions, 3 deletions

diff --git a/setup.py b/setup.py
index 91daa35..f2b79f3 100755
--- a/setup.py
+++ b/setup.py
@@ -20,8 +20,9 @@ def fread(fn):
 if sys.version_info[0] == 3:
     tests_require = ['nose', 'pycrypto', 'pyjwt']
 else:
-    tests_require = ['nose', 'unittest2', 'pycrypto', 'mock', 'pyjwt']
-rsa_require = ['pycrypto']
+    tests_require = ['nose', 'unittest2', 'cryptography', 'pycrypto', 'mock', 'pyjwt']
+rsa_require = ['cryptography']
+rsa_alternative_require = ['pycrypto']
 signedtoken_require = ['pycrypto', 'pyjwt']
 
 requires = []
@@ -41,7 +42,7 @@ setup(
     packages=find_packages(exclude=('docs', 'tests', 'tests.*')),
     test_suite='nose.collector',
     tests_require=tests_require,
-    extras_require={'test': tests_require, 'rsa': rsa_require, 'signedtoken': signedtoken_require},
+    extras_require={'test': tests_require, 'rsa': rsa_require, 'rsa_alt': rsa_alternative_require, 'signedtoken': signedtoken_require},
     install_requires=requires,
     classifiers=[
         'Development Status :: 4 - Beta',