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SeedPass/scripts/cross_impl_check.py
T
thePR0M3TH3ANandClaude Fable 5 c2d7306bb7 parity: PGP key derivation, byte-for-byte with PGPy 
The last unported derivation, and the one the plan flagged as highest risk.
It turned out to be fully reproducible: the key material is deterministic,
EdDSA signatures are deterministic (RFC 8032), and the packet layout is
fixed -- so the armored blocks match exactly, with no OpenPGP dependency.

core/derive/pgp.ts emits the packets directly: new-format headers, the
secret-key packet (unencrypted MPI plus 16-bit checksum), the user-id
packet, and the self-certification signature with PGPy's exact subpacket
set and order, wrapped in ASCII armor with a CRC-24 footer. Verified
against PGPy across two seeds, three indices and three user-id shapes --
armored private key, armored public key, and fingerprint.

RSA is deliberately unsupported: PyCryptodome's seeded prime search is not
reproducible, so the TS port refuses the key type rather than silently
deriving a different key.

Two things worth recording from the build: the v4 fingerprint reproduces
from first principles (SHA-1 over the public-key packet), which is what
made byte-parity look feasible before committing to it; and the only
mismatch in the first run was packet framing -- PGPy uses new-format
headers where I had emitted old-format.

CLI: `entry add pgp`, reveal (armored private key), `entry pgp-public`.
Cross-impl phases A/B now cover a pgp entry in both directions, completing
coverage of every creatable entry kind.

193 core + 47 CLI tests green; 30/30 cross-implementation checks green.

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-08-14 16:46:24 -04:00

973 lines
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#!/usr/bin/env python3
"""Cross-implementation compatibility check: Python SeedPass <-> TypeScript port.
Fixtures prove the two implementations compute the same values. This script
proves something different and equally necessary: that they can read each
other's *on-disk profiles* and *published state*, using each side's real code
paths rather than test helpers.
Phases:
A. Python creates a profile -> the TS CLI opens it and reveals secrets
B. The TS CLI creates a profile -> Python opens it and derives the same secrets
C. Portable backups round-trip in both directions
D. Nostr sync interop through a local relay (Python publishes -> TS restores,
and TS publishes -> Python restores)
Usage:
.venv/bin/python scripts/cross_impl_check.py [--skip-relay]
Exits non-zero if any check fails. Uses throwaway seeds only.
"""
from __future__ import annotations
import argparse
import base64
import json
import os
import shutil
import subprocess
import sys
import tempfile
import time
from pathlib import Path
REPO = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(REPO / "src"))
CLI_BIN = REPO / "js" / "packages" / "cli" / "bin" / "seedpass-js.mjs"
# Throwaway seeds. Never used for real funds or real vaults.
SEED_A = (
"rival cover produce defy coconut arrow empty acid crime cereal strong icon"
)
SEED_B = (
"romance waste exercise alone pistol mushroom aunt series weasel muscle move skirt"
)
# Valid words, deliberately wrong checksum: both implementations must refuse it.
SEED_INVALID = (
"gaze stereo trend brown chunk hero pole width once tent lift bird"
)
PASSWORD = "cross-impl-check-password"
results: list[tuple[str, bool, str]] = []
divergences: list[tuple[str, str]] = []
def check(name: str, ok: bool, detail: str = "") -> None:
results.append((name, ok, detail))
mark = "PASS" if ok else "FAIL"
print(f" [{mark}] {name}" + (f" -- {detail}" if detail and not ok else ""))
def note_divergence(name: str, detail: str) -> None:
"""Record a known, deliberate behavioral difference.
Not a failure — but never silent either: every entry here must appear in
the compatibility matrix's divergence section with a decision attached.
"""
divergences.append((name, detail))
print(f" [DIVERGE] {name} -- {detail}")
class agent_running:
"""Run the TS session agent for the duration of a block."""
def __init__(self, app_dir: Path) -> None:
self.app_dir = app_dir
self.proc: subprocess.Popen | None = None
def __enter__(self) -> "agent_running":
env = dict(os.environ)
env["SEEDPASS_APP_DIR"] = str(self.app_dir)
env["SEEDPASS_AGENT_SOCK"] = str(self.app_dir / "agent.sock")
self.proc = subprocess.Popen(
["node", str(CLI_BIN), "agent", "start"],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
env=env,
cwd=str(CLI_BIN.parent),
)
for _ in range(50):
if (self.app_dir / "agent.sock").exists():
break
time.sleep(0.1)
os.environ["SEEDPASS_AGENT_SOCK"] = str(self.app_dir / "agent.sock")
return self
def __exit__(self, *exc: object) -> None:
if self.proc is not None:
self.proc.terminate()
self.proc.wait(timeout=10)
os.environ.pop("SEEDPASS_AGENT_SOCK", None)
def run_cli(app_dir: Path, *args: str, env_extra: dict[str, str] | None = None) -> str:
"""Run the TypeScript CLI and return stdout (raises on failure)."""
env = dict(os.environ)
env["SEEDPASS_APP_DIR"] = str(app_dir)
env["SEEDPASS_AGENT_SOCK"] = os.environ.get(
"SEEDPASS_AGENT_SOCK", str(app_dir / "agent.sock")
)
env.pop("SEEDPASS_MNEMONIC", None)
env.pop("SEEDPASS_TOKEN", None)
env.pop("SEEDPASS_PASSWORD", None)
if env_extra:
env.update(env_extra)
proc = subprocess.run(
["node", str(CLI_BIN), *args],
capture_output=True,
text=True,
env=env,
cwd=str(CLI_BIN.parent),
)
if proc.returncode != 0:
raise RuntimeError(
f"seedpass-js {' '.join(args)} failed: {proc.stderr.strip() or proc.stdout.strip()}"
)
return proc.stdout.strip()
# --------------------------------------------------------------------------
# Python-side helpers using the application's real code paths
# --------------------------------------------------------------------------
def py_create_profile(app_dir: Path, seed: str, password: str) -> str:
"""Create a profile exactly as the Python app does (KDF policy included)."""
from seedpass.core.backup import BackupManager
from seedpass.core.config_manager import ConfigManager
from seedpass.core.encryption import EncryptionManager
from seedpass.core.entry_management import EntryManager
from seedpass.core.manager import PasswordManager
from seedpass.core.vault import Vault
from utils.fingerprint import generate_fingerprint
from utils.fingerprint_manager import FingerprintManager
from utils.key_derivation import derive_index_key
fp = generate_fingerprint(seed)
fp_dir = app_dir / fp
fp_dir.mkdir(parents=True, exist_ok=True)
dummy = PasswordManager.__new__(PasswordManager)
dummy.config_manager = None # forces ConfigManager defaults
kdf_cfg = PasswordManager._build_seed_kdf_config(dummy, fp)
seed_key = PasswordManager._derive_seed_key(dummy, password, fp, kdf_config=kdf_cfg)
seed_mgr = EncryptionManager(seed_key, fp_dir)
seed_mgr.encrypt_parent_seed(seed, kdf=kdf_cfg)
enc_mgr = EncryptionManager(derive_index_key(seed), fp_dir)
vault = Vault(enc_mgr, fp_dir)
cfg_mgr = ConfigManager(vault, fp_dir)
backup_mgr = BackupManager(fp_dir, cfg_mgr)
em = EntryManager(vault, backup_mgr)
# Every creatable kind, plus the shapes most likely to expose drift:
# a policy-constrained password and an imported (non-deterministic) TOTP.
em.add_entry("python-site.example", 18, username="pyuser", url="https://py.example")
em.add_entry(
"python-policy-site",
24,
username="policyuser",
special_mode="safe",
min_digits=4,
min_uppercase=3,
exclude_ambiguous=True,
)
em.add_totp("python-totp", seed, deterministic=True)
em.add_totp("python-totp-imported", secret="JBSWY3DPEHPK3PXP", period=45, digits=8)
em.add_key_value("python-api", "token", "py-secret-value")
em.add_document("python-doc", "python document body", file_type="md")
em.add_seed("python-cold-seed", seed, words_num=24)
em.add_managed_account("python-managed", seed)
em.add_nostr_key("python-nostr", seed)
em.add_ssh_key("python-ssh", seed)
em.add_pgp_key("python-pgp", seed, user_id="[email protected]")
mgr = FingerprintManager(app_dir)
if fp not in mgr.fingerprints:
mgr.fingerprints.append(fp)
mgr.current_fingerprint = fp
mgr.names[fp] = "python-made"
mgr._save_fingerprints()
return fp
def py_open_profile(app_dir: Path, fp: str, password: str) -> tuple[str, dict]:
"""Decrypt a profile's parent seed and index using Python's real paths."""
from seedpass.core.encryption import EncryptionManager
from seedpass.core.manager import PasswordManager
from seedpass.core.vault import Vault
from utils.key_derivation import derive_index_key
fp_dir = app_dir / fp
kdf_cfg = PasswordManager._load_seed_kdf_config(fp_dir)
if kdf_cfg is None:
raise RuntimeError("no parent-seed KDF metadata found")
dummy = PasswordManager.__new__(PasswordManager)
dummy.config_manager = None
seed_key = PasswordManager._derive_seed_key(dummy, password, fp, kdf_config=kdf_cfg)
seed_mgr = EncryptionManager(seed_key, fp_dir)
seed = seed_mgr.decrypt_parent_seed()
enc_mgr = EncryptionManager(derive_index_key(seed), fp_dir)
index = Vault(enc_mgr, fp_dir).load_index()
return seed, index
def py_secrets_for(index: dict, seed: str) -> dict[str, str]:
"""Derive each entry's secret the way EntryManager retrieval does."""
from bip_utils import Bip39SeedGenerator
from local_bip85.bip85 import BIP85
from nostr.coincurve_keys import Keys
from seedpass.core.password_generation import (
PasswordGenerator,
PasswordPolicy,
derive_seed_phrase,
)
from seedpass.core.totp import TotpManager
from utils.key_derivation import derive_totp_secret
class _Deriver:
def derive_seed_from_mnemonic(self, mnemonic, passphrase=""):
return Bip39SeedGenerator(mnemonic).Generate(passphrase)
bip85 = BIP85(Bip39SeedGenerator(seed).Generate())
out: dict[str, str] = {}
for idx, entry in index.get("entries", {}).items():
kind = entry.get("kind", entry.get("type"))
label = entry.get("label", "")
if kind == "password":
# Mirror _generate_password_for_entry: merge the entry's policy
# overrides onto the base policy before deriving.
import dataclasses
policy = PasswordPolicy()
overrides = entry.get("policy", {})
if isinstance(overrides, dict) and overrides:
policy = dataclasses.replace(
policy,
**{k: v for k, v in overrides.items() if hasattr(policy, k)},
)
pg = PasswordGenerator(_Deriver(), seed, bip85, policy=policy)
out[label] = pg.generate_password(
length=int(entry["length"]),
index=int(idx),
gen_version=int(entry.get("gen_version", 1)),
)
elif kind == "totp":
if entry.get("secret"):
secret = entry["secret"]
else:
secret = derive_totp_secret(seed, int(entry.get("index", 0)))
out[label] = TotpManager.current_code_from_secret(
secret,
FIXED_TS,
period=int(entry.get("period", 30)),
digits=int(entry.get("digits", 6)),
)
elif kind == "key_value":
out[label] = entry["value"]
elif kind == "document":
out[label] = entry["content"]
elif kind == "seed":
out[label] = derive_seed_phrase(
bip85, int(entry.get("index", int(idx))), int(entry.get("word_count", 24))
)
elif kind == "managed_account":
out[label] = derive_seed_phrase(bip85, int(entry.get("index", int(idx))), 12)
elif kind == "pgp":
from seedpass.core.password_generation import derive_pgp_key
priv, _pub, _fp = derive_pgp_key(
bip85,
int(entry.get("index", int(idx))),
entry.get("key_type", "ed25519"),
entry.get("user_id", ""),
)
out[label] = priv
elif kind == "ssh":
from seedpass.core.password_generation import derive_ssh_key_pair
priv, _pub = derive_ssh_key_pair(seed, int(entry.get("index", int(idx))))
out[label] = priv
elif kind == "nostr":
entropy = bip85.derive_entropy(
index=int(entry.get("index", int(idx))), entropy_bytes=32
)
keys = Keys(priv_k=entropy.hex())
out[label] = Keys.hex_to_bech32(keys.private_key_hex(), "nsec")
return out
FIXED_TS = 1800000000 # pinned so TOTP codes compare across implementations
def ts_secrets_for(app_dir: Path, labels: list[str], seed: str) -> dict[str, str]:
env = {"SEEDPASS_MNEMONIC": seed}
out = {}
for label in labels:
out[label] = run_cli(
app_dir, "entry", "reveal", label, "--at", str(FIXED_TS), env_extra=env
)
return out
# --------------------------------------------------------------------------
# Phases
# --------------------------------------------------------------------------
def phase_a(tmp: Path) -> None:
print("\nPhase A: Python creates a profile -> TypeScript reads it")
app_dir = tmp / "a"
app_dir.mkdir()
fp = py_create_profile(app_dir, SEED_A, PASSWORD)
try:
listed = json.loads(run_cli(app_dir, "entry", "list", env_extra={"SEEDPASS_MNEMONIC": SEED_A}))
check("TS opens the Python-created index", True)
except Exception as exc:
check("TS opens the Python-created index", False, str(exc))
return
py_seed, py_index = py_open_profile(app_dir, fp, PASSWORD)
py_labels = sorted(
e["label"] for e in py_index.get("entries", {}).values()
)
ts_labels = sorted(row["label"] for row in listed)
check("entry sets match", py_labels == ts_labels, f"{py_labels} != {ts_labels}")
py_secrets = py_secrets_for(py_index, SEED_A)
ts_secrets = ts_secrets_for(app_dir, list(py_secrets), SEED_A)
# PEM values carry a trailing newline that the CLI capture strips; compare
# on trailing whitespace-insensitive values.
mismatches = [
k
for k in py_secrets
if py_secrets[k].rstrip("\n") != (ts_secrets.get(k) or "").rstrip("\n")
]
check(
"every secret derives identically",
not mismatches,
f"mismatched: {mismatches}",
)
# The headline: TS unlocks a Python profile from the master password alone,
# which exercises Python's parent-seed KDF metadata end to end.
with agent_running(app_dir):
try:
run_cli(
app_dir, "vault", "unlock", "--ttl", "5",
env_extra={"SEEDPASS_PASSWORD": PASSWORD},
)
revealed = run_cli(app_dir, "entry", "reveal", "python-api")
check(
"TS unlocks the Python profile with the master password",
revealed == "py-secret-value",
f"revealed {revealed!r}",
)
except Exception as exc:
check(
"TS unlocks the Python profile with the master password", False, str(exc)
)
def phase_b(tmp: Path) -> None:
print("\nPhase B: TypeScript creates a profile -> Python reads it")
app_dir = tmp / "b"
app_dir.mkdir()
run_cli(
app_dir, "fingerprint", "add", "--name", "ts-made",
env_extra={"SEEDPASS_MNEMONIC": SEED_B, "SEEDPASS_PASSWORD": PASSWORD},
)
env = {"SEEDPASS_MNEMONIC": SEED_B}
run_cli(app_dir, "entry", "add", "password", "ts-site.example", "--length", "22", env_extra=env)
run_cli(app_dir, "entry", "add", "totp", "ts-totp", env_extra=env)
run_cli(app_dir, "entry", "add", "key-value", "ts-api", "token", "ts-secret-value", env_extra=env)
run_cli(app_dir, "entry", "add", "managed-account", "ts-managed", env_extra=env)
run_cli(app_dir, "entry", "add", "ssh", "ts-ssh", env_extra=env)
run_cli(app_dir, "entry", "add", "nostr", "ts-nostr", env_extra=env)
run_cli(
app_dir, "entry", "add", "pgp", "ts-pgp", "--user-id", "[email protected]",
env_extra=env,
)
run_cli(app_dir, "entry", "add", "document", "ts-doc", "ts document body", env_extra=env)
run_cli(app_dir, "entry", "add", "seed", "ts-seed", "--words", "24", env_extra=env)
run_cli(
app_dir, "entry", "add", "totp", "ts-totp-imported",
"--secret", "JBSWY3DPEHPK3PXP", "--period", "45", "--digits", "8",
env_extra=env,
)
from utils.fingerprint import generate_fingerprint
fp = generate_fingerprint(SEED_B)
try:
py_seed, py_index = py_open_profile(app_dir, fp, PASSWORD)
check("Python decrypts the TS parent_seed.enc and index", True)
except Exception as exc:
check("Python decrypts the TS parent_seed.enc and index", False, str(exc))
return
check("recovered seed matches", py_seed == SEED_B)
py_secrets = py_secrets_for(py_index, SEED_B)
ts_secrets = ts_secrets_for(app_dir, list(py_secrets), SEED_B)
# PEM values carry a trailing newline that the CLI capture strips; compare
# on trailing whitespace-insensitive values.
mismatches = [
k
for k in py_secrets
if py_secrets[k].rstrip("\n") != (ts_secrets.get(k) or "").rstrip("\n")
]
check("every secret derives identically", not mismatches, f"mismatched: {mismatches}")
# Python's schema validation should accept the TS-written index
from seedpass.core.migrations import LATEST_VERSION # type: ignore
check(
"TS index carries the current schema_version",
int(py_index.get("schema_version", 0)) == int(LATEST_VERSION),
f"{py_index.get('schema_version')} != {LATEST_VERSION}",
)
def phase_c(tmp: Path) -> None:
print("\nPhase C: portable backups round-trip")
from seedpass.core.backup import BackupManager
from seedpass.core.config_manager import ConfigManager
from seedpass.core.encryption import EncryptionManager
from seedpass.core.portable_backup import export_backup, import_backup
from seedpass.core.vault import Vault
from utils.fingerprint import generate_fingerprint
from utils.key_derivation import derive_index_key
# Python export -> TS import
app_a = tmp / "a"
fp_a = generate_fingerprint(SEED_A)
fp_dir = app_a / fp_a
enc_mgr = EncryptionManager(derive_index_key(SEED_A), fp_dir)
vault = Vault(enc_mgr, fp_dir)
cfg_mgr = ConfigManager(vault, fp_dir)
backup_mgr = BackupManager(fp_dir, cfg_mgr)
py_export = export_backup(vault, backup_mgr, fp_dir / "py-export.json", parent_seed=SEED_A)
try:
summary = json.loads(
run_cli(
app_a, "vault", "import", str(py_export), "--inspect",
env_extra={"SEEDPASS_MNEMONIC": SEED_A},
)
)
check(
"TS imports a Python portable backup",
summary["entry_count"] == len(vault.load_index().get("entries", {})),
str(summary),
)
except Exception as exc:
check("TS imports a Python portable backup", False, str(exc))
# TS export -> Python import
app_b = tmp / "b"
fp_b = generate_fingerprint(SEED_B)
ts_export = app_b / "ts-export.json"
run_cli(
app_b, "vault", "export", str(ts_export),
env_extra={"SEEDPASS_MNEMONIC": SEED_B},
)
fp_dir_b = app_b / fp_b
enc_b = EncryptionManager(derive_index_key(SEED_B), fp_dir_b)
vault_b = Vault(enc_b, fp_dir_b)
cfg_b = ConfigManager(vault_b, fp_dir_b)
backup_b = BackupManager(fp_dir_b, cfg_b)
def user_data(index: dict) -> str:
"""User-visible state only.
``_system.index0`` is Python-derived atlas state (canonical views,
stats with recomputation timestamps), not stored user data — it is
rebuilt on load and legitimately differs between two loads. The TS
port deliberately does not emit it; see the compatibility matrix.
"""
return json.dumps(
{k: v for k, v in index.items() if k not in ("_system", "_sync_meta")},
sort_keys=True,
)
before = user_data(vault_b.load_index())
try:
import_backup(vault_b, backup_b, ts_export, parent_seed=SEED_B)
after = user_data(vault_b.load_index())
check(
"Python imports a TS portable backup (checksum verified)",
before == after,
"user data changed across the round trip",
)
except Exception as exc:
check("Python imports a TS portable backup (checksum verified)", False, str(exc))
def phase_d(tmp: Path) -> None:
print("\nPhase D: invalid-mnemonic handling agrees")
app_dir = tmp / "d"
app_dir.mkdir()
# Python refuses an invalid phrase at seed derivation
py_refused = False
try:
from bip_utils import Bip39SeedGenerator
Bip39SeedGenerator(SEED_INVALID).Generate()
except Exception:
py_refused = True
check("Python rejects a bad-checksum mnemonic", py_refused)
ts_refused = False
detail = ""
try:
run_cli(
app_dir, "fingerprint", "add", "--name", "should-not-exist",
env_extra={"SEEDPASS_MNEMONIC": SEED_INVALID, "SEEDPASS_PASSWORD": PASSWORD},
)
detail = "TS created a profile from an invalid phrase"
except Exception as exc:
ts_refused = "valid BIP-39" in str(exc)
detail = str(exc)
check("TS rejects a bad-checksum mnemonic", ts_refused, detail)
def phase_e(tmp: Path) -> None:
print("\nPhase E: a legacy-schema Python vault opens in TypeScript")
from seedpass.core.encryption import EncryptionManager
from seedpass.core.migrations import apply_migrations
from seedpass.core.vault import Vault
from utils.fingerprint import generate_fingerprint
from utils.key_derivation import derive_index_key
app_dir = tmp / "e"
app_dir.mkdir()
fp = py_create_profile(app_dir, SEED_A, PASSWORD)
fp_dir = app_dir / fp
# Overwrite the index with a pre-v4 payload, as an older SeedPass wrote it
legacy = {
"schema_version": 2,
"entries": {
"0": {
"type": "password",
"label": "legacy-login.example",
"length": 16,
"notes": "written by an older SeedPass",
"username": "olduser",
},
"1": {
"type": "key_value",
"label": "legacy-kv",
"key": "token",
"value": "legacy-secret-value",
"notes": "",
},
},
}
enc_mgr = EncryptionManager(derive_index_key(SEED_A), fp_dir)
enc_mgr.save_json_data(legacy, Path("seedpass_entries_db.json.enc"))
env = {"SEEDPASS_MNEMONIC": SEED_A}
try:
rows = json.loads(run_cli(app_dir, "entry", "list", env_extra=env))
labels = sorted(r["label"] for r in rows)
check(
"TS opens a v2 index and migrates it",
labels == ["legacy-kv", "legacy-login.example"],
str(labels),
)
revealed = run_cli(app_dir, "entry", "reveal", "legacy-kv", env_extra=env)
check("TS reveals a migrated legacy secret", revealed == "legacy-secret-value")
except Exception as exc:
check("TS opens a v2 index and migrates it", False, str(exc))
return
# Python's own migration of the same payload must agree with what TS did
py_migrated = apply_migrations(json.loads(json.dumps(legacy)))
py_labels = sorted(e["label"] for e in py_migrated["entries"].values())
check("Python and TS agree on the migrated entry set", py_labels == labels)
# And TS must not have written a downgraded index back to disk
reloaded = Vault(EncryptionManager(derive_index_key(SEED_A), fp_dir), fp_dir).load_index()
check(
"Python still reads the profile after TS touched it",
sorted(e["label"] for e in reloaded.get("entries", {}).values()) == labels,
)
class relay_running:
"""Run the in-process NIP-01 test relay and yield its ws:// URL."""
SCRIPT = """
import { register } from "tsx/esm/api";
register();
const { MockRelay } = await import("REPO/js/packages/core/test/mockRelay.ts");
const relay = new MockRelay();
console.log(await relay.start());
process.on("SIGTERM", () => relay.stop().then(() => process.exit(0)));
await new Promise(() => {});
"""
def __init__(self, tmp: Path) -> None:
self.tmp = tmp
self.proc: subprocess.Popen | None = None
self.url = ""
def __enter__(self) -> "relay_running":
# Must live inside the workspace so pnpm's node_modules resolve.
script = CLI_BIN.parent / "_cross_impl_relay.mjs"
script.write_text(self.SCRIPT.replace("REPO", str(REPO)))
self.script = script
self.proc = subprocess.Popen(
["node", str(script)],
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL,
text=True,
cwd=str(CLI_BIN.parent),
)
assert self.proc.stdout is not None
self.url = self.proc.stdout.readline().strip()
if not self.url.startswith("ws://"):
raise RuntimeError(f"relay failed to start: {self.url!r}")
return self
def __exit__(self, *exc: object) -> None:
if self.proc is not None:
self.proc.terminate()
self.proc.wait(timeout=10)
self.script.unlink(missing_ok=True)
def phase_f(tmp: Path) -> None:
print("\nPhase F: Nostr sync interop through a live relay")
import asyncio
from seedpass.core.encryption import EncryptionManager
from seedpass.core.vault import Vault
from utils.fingerprint import generate_fingerprint
from utils.key_derivation import derive_index_key
app_dir = tmp / "f"
app_dir.mkdir()
fp = py_create_profile(app_dir, SEED_A, PASSWORD)
fp_dir = app_dir / fp
with relay_running(tmp) as relay:
# --- Python publishes -------------------------------------------------
try:
from nostr.client import NostrClient
from seedpass.core.config_manager import ConfigManager
from utils.key_hierarchy import kd
from bip_utils import Bip39SeedGenerator
enc_mgr = EncryptionManager(derive_index_key(SEED_A), fp_dir)
vault = Vault(enc_mgr, fp_dir)
cfg_mgr = ConfigManager(vault, fp_dir)
cfg = cfg_mgr.load_config(require_pin=False)
cfg["relays"] = [relay.url]
cfg_mgr.save_config(cfg)
seed_bytes = Bip39SeedGenerator(SEED_A).Generate()
key_index = kd(kd(seed_bytes, b"seedpass:v1:master"), b"seedpass:v1:index")
client = NostrClient(
encryption_manager=enc_mgr,
fingerprint=fp,
relays=[relay.url],
config_manager=cfg_mgr,
parent_seed=SEED_A,
key_index=key_index,
account_index=0,
)
encrypted = vault.get_encrypted_index()
manifest, manifest_id = asyncio.run(client.publish_snapshot(encrypted))
published = bool(manifest_id) and bool(manifest.chunks)
check("Python publishes a snapshot to the relay", published, str(manifest_id))
except Exception as exc:
check("Python publishes a snapshot to the relay", False, f"{type(exc).__name__}: {exc}")
return
# --- TypeScript restores from what Python published -------------------
ts_dir = tmp / "f-ts"
ts_dir.mkdir()
env = {"SEEDPASS_MNEMONIC": SEED_A, "SEEDPASS_PASSWORD": PASSWORD}
run_cli(ts_dir, "fingerprint", "add", "--name", "ts-restore", env_extra=env)
run_cli(ts_dir, "nostr", "add-relay", relay.url, env_extra=env)
for _ in range(3):
try:
run_cli(ts_dir, "nostr", "remove-relay", "1", env_extra=env)
except Exception:
break
try:
restored = json.loads(run_cli(ts_dir, "nostr", "restore", env_extra=env))
py_index = vault.load_index()
py_labels = sorted(e["label"] for e in py_index.get("entries", {}).values())
rows = json.loads(run_cli(ts_dir, "entry", "list", env_extra=env))
ts_labels = sorted(r["label"] for r in rows)
check(
"TS restores the Python-published snapshot",
ts_labels == py_labels,
f"{ts_labels} != {py_labels}",
)
revealed = run_cli(ts_dir, "entry", "reveal", "python-api", env_extra=env)
check("restored secrets are intact", revealed == "py-secret-value", revealed)
except Exception as exc:
check("TS restores the Python-published snapshot", False, str(exc))
def _py_vault(app_dir: Path, fp: str, seed: str):
from seedpass.core.backup import BackupManager
from seedpass.core.config_manager import ConfigManager
from seedpass.core.encryption import EncryptionManager
from seedpass.core.entry_management import EntryManager
from seedpass.core.vault import Vault
from utils.key_derivation import derive_index_key
fp_dir = app_dir / fp
enc = EncryptionManager(derive_index_key(seed), fp_dir)
vault = Vault(enc, fp_dir)
cfg = ConfigManager(vault, fp_dir)
return vault, EntryManager(vault, BackupManager(fp_dir, cfg)), cfg
def phase_g(tmp: Path) -> None:
print("\nPhase G: edits made by one implementation are seen by the other")
from utils.fingerprint import generate_fingerprint
app_dir = tmp / "g"
app_dir.mkdir()
fp = py_create_profile(app_dir, SEED_A, PASSWORD)
env = {"SEEDPASS_MNEMONIC": SEED_A}
# Python edits -> TS sees
_vault, em, _cfg = _py_vault(app_dir, fp, SEED_A)
em.modify_entry(0, username="edited-by-python", notes="python note")
em.archive_entry(1)
em.add_link(0, 2, relation="related_to", note="py link")
row = json.loads(run_cli(app_dir, "entry", "get", "0", env_extra=env))
check(
"TS sees Python's edit",
row.get("username") == "edited-by-python" and row.get("notes") == "python note",
json.dumps({k: row.get(k) for k in ("username", "notes")}),
)
links = json.loads(run_cli(app_dir, "entry", "links", "0", env_extra=env))
check(
"TS sees Python's link with a resolved target",
len(links) == 1 and links[0]["relation"] == "related_to" and links[0]["target_id"] == 2,
json.dumps(links),
)
archived = json.loads(run_cli(app_dir, "entry", "get", "1", env_extra=env))
check("TS sees Python's archive flag", archived.get("archived") is True)
# TS edits -> Python sees
run_cli(app_dir, "entry", "modify", "0", "--notes", "edited-by-ts", env_extra=env)
run_cli(app_dir, "entry", "unarchive", "1", env_extra=env)
run_cli(app_dir, "entry", "link-remove", "0", "2", env_extra=env)
_vault2, em2, _cfg2 = _py_vault(app_dir, fp, SEED_A)
entry0 = em2.retrieve_entry(0)
entry1 = em2.retrieve_entry(1)
check("Python sees TS's edit", entry0.get("notes") == "edited-by-ts", str(entry0.get("notes")))
check("Python sees TS's unarchive", entry1.get("archived") is False)
check("Python sees TS's link removal", em2.get_links(0) == [])
def phase_h(tmp: Path) -> None:
print("\nPhase H: conflict merge agrees across implementations")
# Both sides merge the same divergent payloads; results must be identical,
# or two clients syncing the same vault would converge differently.
from seedpass.core.sync_conflict import merge_index_payloads
base_ts = 1800000000
current = {
"schema_version": 4,
"entries": {
"0": {
"type": "password", "kind": "password", "label": "shared",
"length": 16, "archived": False, "notes": "from-current",
"tags": ["a"], "modified_ts": base_ts,
},
"1": {
"type": "key_value", "kind": "key_value", "label": "only-current",
"key": "k", "value": "v", "archived": False, "notes": "",
"tags": [], "modified_ts": base_ts,
},
},
}
incoming = {
"schema_version": 4,
"entries": {
"0": {
"type": "password", "kind": "password", "label": "shared",
"length": 16, "archived": True, "notes": "",
"tags": ["b"], "modified_ts": base_ts, "username": "incoming-user",
},
"2": {
"type": "password", "kind": "password", "label": "only-incoming",
"length": 20, "archived": False, "notes": "", "tags": [],
"modified_ts": base_ts + 5,
},
},
}
py_merged = merge_index_payloads(
json.loads(json.dumps(current)), json.loads(json.dumps(incoming)), source_tag="xtest"
)
# Run the TS merge through a tiny node harness against the same inputs
script = CLI_BIN.parent / "_cross_impl_merge.mjs"
script.write_text(
'import { register } from "tsx/esm/api";\n'
"register();\n"
'const { mergeIndexPayloads } = await import("@seedpass/core");\n'
"const [current, incoming] = JSON.parse(process.argv[2]);\n"
'console.log(JSON.stringify(mergeIndexPayloads(current, incoming, "xtest")));\n'
)
try:
proc = subprocess.run(
["node", str(script), json.dumps([current, incoming])],
capture_output=True, text=True, cwd=str(CLI_BIN.parent),
)
if proc.returncode != 0:
check("TS and Python merge identically", False, proc.stderr.strip()[:200])
return
ts_merged = json.loads(proc.stdout)
finally:
script.unlink(missing_ok=True)
def comparable(payload: dict) -> str:
# _system.index0 is Python-derived state TS does not emit.
return json.dumps(
{k: v for k, v in payload.items() if k != "_system"}, sort_keys=True
)
check(
"TS and Python merge identically",
comparable(py_merged) == comparable(ts_merged),
"merged payloads differ",
)
check(
"merge keeps entries from both sides",
sorted(ts_merged["entries"]) == ["0", "1", "2"],
str(sorted(ts_merged.get("entries", {}))),
)
def phase_i(tmp: Path) -> None:
print("\nPhase I: an Argon2id-mode Python profile opens in TypeScript")
from seedpass.core.encryption import EncryptionManager
from seedpass.core.manager import PasswordManager
from utils.fingerprint import generate_fingerprint
app_dir = tmp / "i"
app_dir.mkdir()
fp = py_create_profile(app_dir, SEED_A, PASSWORD)
fp_dir = app_dir / fp
# Re-encrypt the parent seed under argon2id, as a profile configured for
# argon2 would have it on disk.
dummy = PasswordManager.__new__(PasswordManager)
dummy.config_manager = None
kdf_cfg = PasswordManager._build_seed_kdf_config(dummy, fp, mode="argon2")
seed_key = PasswordManager._derive_seed_key(
dummy, PASSWORD, fp, mode="argon2", kdf_config=kdf_cfg
)
EncryptionManager(seed_key, fp_dir).encrypt_parent_seed(SEED_A, kdf=kdf_cfg)
with agent_running(app_dir):
try:
run_cli(
app_dir, "vault", "unlock", "--ttl", "10",
env_extra={"SEEDPASS_PASSWORD": PASSWORD},
)
revealed = run_cli(app_dir, "entry", "reveal", "python-api")
check(
"TS unlocks an argon2id-protected Python profile",
revealed == "py-secret-value",
revealed,
)
except Exception as exc:
check("TS unlocks an argon2id-protected Python profile", False, str(exc))
def phase_j(tmp: Path) -> None:
print("\nPhase J: config file interoperates")
from utils.fingerprint import generate_fingerprint
app_dir = tmp / "g" # reuse the profile from phase G
fp = generate_fingerprint(SEED_A)
env = {"SEEDPASS_MNEMONIC": SEED_A}
# Python writes config -> TS reads it
_vault, _em, cfg_mgr = _py_vault(app_dir, fp, SEED_A)
cfg = cfg_mgr.load_config(require_pin=False)
cfg["clipboard_clear_delay"] = 77
cfg["relays"] = ["wss://relay.example.test"]
cfg_mgr.save_config(cfg)
ts_cfg = json.loads(run_cli(app_dir, "config", "get", env_extra=env))
check(
"TS reads Python's config",
ts_cfg.get("clipboard_clear_delay") == 77
and ts_cfg.get("relays") == ["wss://relay.example.test"],
json.dumps({k: ts_cfg.get(k) for k in ("clipboard_clear_delay", "relays")}),
)
# TS writes config -> Python reads it
run_cli(app_dir, "config", "set", "inactivity_timeout", "123", env_extra=env)
_v2, _e2, cfg_mgr2 = _py_vault(app_dir, fp, SEED_A)
py_cfg = cfg_mgr2.load_config(require_pin=False)
check(
"Python reads TS's config",
int(py_cfg.get("inactivity_timeout", 0)) == 123,
str(py_cfg.get("inactivity_timeout")),
)
def main() -> int:
parser = argparse.ArgumentParser()
parser.add_argument("--skip-relay", action="store_true")
parser.add_argument("--keep", action="store_true", help="keep the temp dir")
args = parser.parse_args()
if not CLI_BIN.exists():
print(f"TypeScript CLI not found at {CLI_BIN}", file=sys.stderr)
return 2
tmp = Path(tempfile.mkdtemp(prefix="seedpass-crossimpl-"))
print(f"Cross-implementation check (workdir: {tmp})")
try:
phase_a(tmp)
phase_b(tmp)
phase_c(tmp)
phase_d(tmp)
phase_e(tmp)
phase_g(tmp)
phase_h(tmp)
phase_i(tmp)
phase_j(tmp)
if not args.skip_relay:
phase_f(tmp)
finally:
if not args.keep:
shutil.rmtree(tmp, ignore_errors=True)
failed = [r for r in results if not r[1]]
print(f"\n{len(results) - len(failed)}/{len(results)} checks passed")
if divergences:
print(f"\n{len(divergences)} known divergence(s):")
for name, detail in divergences:
print(f" - {name}: {detail}")
if failed:
print("\nFailures:")
for name, _ok, detail in failed:
print(f" - {name}: {detail}")
return 1
return 0
if __name__ == "__main__":
raise SystemExit(main())
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