Robert Allan JamesandClaude Sonnet 5
431bcb1f34
Root CA + snakeoil intermediate generated entirely offline (/home/rajames/CLionProjects/lithosananke-ca/, outside this repo, private keys chmod 600) per this milestone's own requirement: Ed25519, root self-signed 20-year validity, intermediate real-CA-signed (CA:TRUE, pathlen:0), chain verified via openssl. Snakeoil intermediate embedded as a capsule (capsules/pki/ snakeoil-intermediate.der) -- confirmed the font-capsule precedent needed zero new infrastructure, any non-.4th file under capsules/ embeds verbatim already. New x509_ed25519.c: a from-scratch, narrow DER walker (not general ASN.1/X.509, per this milestone's design decision) extracting the raw Ed25519 pubkey from a cert's SubjectPublicKeyInfo -- handles the optional v3 version field, verifies the AlgorithmIdentifier OID is Ed25519 rather than assuming, handles both DER length forms. Verified against ground truth: the extracted key from the real embedded cert matches openssl's own reported pubkey byte-for-byte; refusal path checked against truncated/garbage/empty/wrong-algorithm (real RSA cert) input. Compiles clean on all three architectures. Still open: mkcapsule signing step, wiring ed25519_verify() into capsule_birth.c's three validate call sites (landing warn-only first, per decision -- a bug here could stop every capsule from birthing, including Mama's own, on all three arches), and the BLOCK_MAP.md signature-status column. Documented in FABRIC-3.md. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01U14ET9CWAtbQMbYqomKgXd
capsules/
FORTH personality files loaded by the VM at boot. A capsule is an immutable, content-addressed payload; its XXHash64 hash is its identity. Any mutation changes the hash and the birth protocol rejects the image.
Key files
| File | Type | Purpose |
|---|---|---|
init.4th |
(m) MAMA_INIT |
Default Mama VM personality — loaded at LBN 2048 |
ACL.4th |
user | Word-level ACL system; self-activating at boot |
zuse.4th |
user | Bootstrap superuser; loaded by ACL.4th |
doe.4th |
user | DoE workload words (EXEC-DOE) — opt-in |
init-0.4th … init-9.4th |
(p) |
Numbered personality variants |
init-l8-*.4th |
(p) |
L8 Jacquard mode variants (stable/volatile/diverse/temporal/transition/omni) |
hermes/init.4th |
(p) |
Hermes baby VM personality |
artemis/init.4th |
(p) |
Artemis baby VM personality |
Block namespace
Block ranges are shared across all loaded capsules — collisions cause silent word-definition overwrites.
| Range | Owner |
|---|---|
| 2048–2099 | init.4th |
| 2100–2199 | doe.4th |
| 3000–3999 | workload capsules |
| 4000+ | user-defined (ACL.4th, zuse.4th, …) |
Each block is limited to 1024 bytes. Verify with wc -c before committing.
See also
experiments/bare_metal/README.md— DoE protocols and block namespace rulesdocs/03-architecture/word-acl/DESIGN.md— ACL system designtools/mkcapsule.c— assembles capsules intocapsule_generated.c- Project root