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Hash the same content covered by the signature when referencing previous PDUs rather than reusing the PDU content hashes

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This commit is contained in:
Mark Haines 2014-10-17 11:40:35 +01:00
parent bb04447c44
commit c8f996e29f
6 changed files with 84 additions and 16 deletions
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6
synapse/federation/pdu_codec.py
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@ -14,7 +14,9 @@
# limitations under the License.
from .units import Pdu
from synapse.crypto.event_signing import hash_event_pdu, sign_event_pdu
from synapse.crypto.event_signing import (
add_event_pdu_content_hash, sign_event_pdu
)
import copy
@ -97,5 +99,5 @@ class PduCodec(object):
kwargs["ts"] = int(self.clock.time_msec())
pdu = Pdu(**kwargs)
pdu = hash_event_pdu(pdu)
pdu = add_event_pdu_content_hash(pdu)
return sign_event_pdu(pdu, self.server_name, self.signing_key)