- §G written to READY (forks auto-approved, review_pending): the inbound
server rung. Grounds what's reused (record layer, role-symmetric key
schedule, X.509, slot table + data plane) vs new (server FSM, signing,
key parsing, accept surface)
- six locked decisions: (1) constant-time private-key ops — the built
modexp/scalar-mult are verify-only, not constant-time, so G adds a
constant-time fixed-window modexp + Montgomery-ladder scalar mult;
(2) both RSA-PSS + ECDSA-P256 server keys; (3) deterministic RFC 6979
ECDSA nonce; (4) net.accept_tls(listener,cert,key) w/ per-path shard
identity cache; (5) full 1-RTT server-auth only (no mTLS/resumption/HRR);
(6) sans-io wo_tls_server FSM
- sub-phases G1 signing+key-parse, G2 server FSM (loopback KAT), G3
net.accept_tls + live gate (openssl s_client); acceptance + out-of-scope
- ladder G row -> READY; may become its own runtime-v2 iteration
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
(cherry picked from commit 9fcb4a96a137a897f0ce2be868c18e63a979c997)