writeonce/docs/stories
shoney.arickathil 3b1a188d77 fix(crypto): branch-free EC signing ladder via complete addition (rv2 9 follow-up)
- pmul_ct: double-and-add-always over the Renes–Costello–Batina complete
  projective addition formula (Alg. 4, a=-3) — one exception-free formula for
  add and double, identity (0:1:0), so there is NO point-at-infinity branch.
  Closes the documented residual: the Jacobian jadd/jdouble ladder's fp_zero
  checks leaked k's leading-zero count (a bit-length hint) during ECDSA sign
- wo_ecdsa_p256_sha256_sign uses it; affine x = X * Z^-1 (projective), the
  inversion via the constant-time modexp. Dead Jacobian jmul_ct/jpt_cmov removed
- RFC 6979 A.2.5 vectors still byte-exact (test_crypto 130/0); server loopback
  (signs with this ladder) still green (test_tls 123/0); ASan/UBSan clean
- docs: rv2 9 review_pending — close_notify + complete-formula ladder moved
  from deferred to landed; lang-41 decision 4 fixture marked landed

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
(cherry picked from commit fba30352b965e0f3b749168421a920a832df541b)
2026-09-15 01:16:13 +02:00
..
databasev2 feat(query-corpus): iteration 9g corpus #1 — skillhost needs no new query grammar 2026-09-15 01:15:30 +02:00
jarvis docs(audit): fix stale docs against the code (TLS, net.connect, RNG, lang-41); jarvis deps 2026-09-15 01:16:13 +02:00
language-runtime-database fix(crypto): branch-free EC signing ladder via complete addition (rv2 9 follow-up) 2026-09-15 01:16:13 +02:00
porch docs(audit): fix stale docs against the code (TLS, net.connect, RNG, lang-41); jarvis deps 2026-09-15 01:16:13 +02:00
runtime-v2 fix(crypto): branch-free EC signing ladder via complete addition (rv2 9 follow-up) 2026-09-15 01:16:13 +02:00
wmux docs(rt2): runtime-v2 track — the runtime beyond sockets 2026-09-15 01:15:30 +02:00
00-status.md docs(audit): fix stale docs against the code (TLS, net.connect, RNG, lang-41); jarvis deps 2026-09-15 01:16:13 +02:00
board-views.md docs(stories): add readiness, retire status: refine, sweep all 47 iterations 2026-08-27 16:54:45 +02:00