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Adding support for SHA256 signing #66

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Merged
knaperek merged 4 commits into from
Aug 8, 2017
Merged

Adding support for SHA256 signing #66

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441b8d1
Adding support for SHA255 signing
WebSpider Jul 20, 2017
c5a74c7
making previous default still work
WebSpider Jul 20, 2017
dfb0f1d
Refactor and clean up logic from PR #66
knaperek Aug 8, 2017
ce04e77
Fix typos
knaperek Aug 8, 2017
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9 changes: 6 additions & 3 deletions djangosaml2/views.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ def csrf_exempt(view_func):
from saml2.sigver import MissingKey
from saml2.s_utils import UnsupportedBinding
from saml2.response import StatusError
from saml2.xmldsig import SIG_RSA_SHA1 # support for this is required by spec
from saml2.xmldsig import SIG_RSA_SHA1, SIG_RSA_SHA256 # support for SHA1 is required by spec

from djangosaml2.cache import IdentityCache, OutstandingQueriesCache
from djangosaml2.cache import StateCache
Expand Down Expand Up @@ -168,9 +168,12 @@ def login(request,
logger.debug('Redirecting user to the IdP via %s binding.', binding)
if binding == BINDING_HTTP_REDIRECT:
try:
# do not sign the xml itself, instead us the sigalg to
# do not sign the xml itself, instead use the sigalg to
# generate the signature as a URL param
sigalg = SIG_RSA_SHA1 if sign_requests else None
sig_alg_option_map = {'sha1': SIG_RSA_SHA1,
'sha256': SIG_RSA_SHA256}
sig_alg_option = getattr(conf, '_sp_authn_requests_signed_alg', 'sha1')
sigalg = sig_alg_option_map[sig_alg_option] if sign_requests else None
session_id, result = client.prepare_for_authenticate(
entityid=selected_idp, relay_state=came_from,
binding=binding, sign=False, sigalg=sigalg)
Expand Down