diff --git a/diagrams/protocol.xml b/diagrams/protocol.xml
index e2deced..d98b513 100644
--- a/diagrams/protocol.xml
+++ b/diagrams/protocol.xml
@@ -1 +1 @@
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diff --git a/diagrams/tls12-multiround.png b/diagrams/tls12-multiround.png
index 5ded328..a5fe2e1 100644
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