Research · Tag · Tls
Posts tagged tls.
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CASPER
2026-08-10
Casper P2P TLS-1.3 P-521 pre-auth ECDSA verify burn
An unauthenticated peer can force a Casper node to run a full P-521 ECDSA signature verification during TLS-1.3 handshake — before any admission gate, allowlist, or per-peer cap — burning crypto-CPU via fresh-cert-per-connection churn.
Simon Morley
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