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Hello messages were accepted without checking timestamp freshness, allowing a previously signed witness message to be replayed indefinitely. Add a configurable freshness threshold and track the latest verified timestamp per witness so stale or repeated messages are rejected before trust is granted. Adapt the setting to the current NodeConfig-based configuration model while retaining signature-length validation.
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Hello messages were accepted without checking timestamp freshness, allowing a previously signed witness message to be replayed indefinitely.
Add a configurable freshness threshold and track the latest verified timestamp per witness so stale or repeated messages are rejected before trust is granted. Adapt the setting to the current NodeConfig-based configuration model while retaining signature-length validation.
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