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openid/sharedsignals event <br>
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Issue Comment created on issue 257 <br>
Issue Title: Preventing replay attacks in PUSH streams <br>
https://github.com/openid/sharedsignals/issues/257 <br>
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Comment: This is why it is necessary for the Receiver to check the `aud` claim in the SET. In your example, the SET sent to the malicious receiver would not have the correct `aud` value for the attacked receiver. So the attacked receiver should reject the SET
when it arrives.
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