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feat(server): introduce VaultCoordinator for multi-operator Shamir bootstrap/unseal

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VaultCoordinator collects operator passphrases, splits the seal key into
Shamir shares on bootstrap (encrypting each share with the operator's
passphrase via Argon2 + XChaCha20-Poly1305), and reconstructs the seal
key from threshold shares on unseal. Adds vsss-rs 5.4.0 and rand_core 0.6
dependencies.
This commit is contained in:
CleverWild
2026-06-12 19:43:09 +02:00
parent 9764b0d5ce
commit 6f65c907a3
5 changed files with 331 additions and 8 deletions
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5
server/Cargo.toml
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@@ -12,8 +12,8 @@ base64 = "0.22.1"
chrono = { version = "0.4.44", features = ["serde"] }
futures = "0.3.32"
k256 = { version = "0.13.4", features = ["ecdsa", "pkcs8"] }
kameo = {git = "https://github.com/hdbg/kameo.git", rev = "805b417"}
kameo_actors = {git = "https://github.com/hdbg/kameo.git", rev = "805b417"}
kameo = {git = "https://github.com/hdbg/kameo.git", rev = "3e18ba2"}
kameo_actors = {git = "https://github.com/hdbg/kameo.git", rev = "3e18ba2"}
hmac = "0.13.0"
miette = { version = "7.6.0", features = ["fancy", "serde"] }
ml-dsa = { version = "0.1.0-rc.9", features = ["zeroize"] }
@@ -106,7 +106,6 @@ indexing_slicing = "warn"
infinite_loop = "warn"
inline_asm_x86_att_syntax = "warn"
inline_asm_x86_intel_syntax = "warn"
integer_division = "warn"
large_include_file = "warn"
lossy_float_literal = "warn"
map_with_unused_argument_over_ranges = "warn"