feat: opt-in v2 Argon2+HKDF encryption for multisig and MPC flows#8592
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pranavjain97 wants to merge 7 commits intomasterfrom
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feat: opt-in v2 Argon2+HKDF encryption for multisig and MPC flows#8592pranavjain97 wants to merge 7 commits intomasterfrom
pranavjain97 wants to merge 7 commits intomasterfrom
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Wallet sharing to be done as a separate ticket. |
pranavjain97
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…ase/BitGoAPI WCN-32: Adds async encryption dispatch (v1/v2 based on encryptionVersion param) and session-based encryption to the BitGoBase interface and BitGoAPI implementation. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
…hain types WCN-32: Thread encryptionVersion?: 2 through GenerateWalletOptions, GenerateMpcWalletOptions, CreateMpcOptions, CreateBackupOptions, and both Lightning/GoAccount codecs. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
…tion WCN-32: Convert sync encrypt() to async encryptAsync() in wallet generation and keychain creation paths. Thread encryptionVersion from GenerateWalletOptions through Lightning, GoAccount, TSS, and onchain multisig flows. Default remains v1. Only opt-in encryptionVersion: 2 triggers v2 encryption. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
…n and signing WCN-32: DKLS keygen uses encryption session when encryptionVersion: 2, signing rounds auto-detect v2 from envelope and use decryptAsync/session. validateAdata skipped for v2 envelopes. All v1 paths unchanged. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
… signing WCN-32: EdDSA keygen uses encryption session when encryptionVersion: 2, signing auto-detects v2 from envelope and uses decryptAsync/session. All v1 paths unchanged. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
WCN-32: Verify that createKeychains with encryptionVersion: 2 produces v2 envelopes for encryptedPrv/reducedEncryptedPrv and that they are decryptable via decryptAsync. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
…etection WCN-32: Convert decryptKeychainPrivateKey to use decryptAsync internally so signing flows work with both v1 and v2 encrypted keychains. Make getUserPrv async and update all callers across sdk-core, abstract-utxo, abstract-eth, and bitgo. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Wire v2 encryption (Argon2id + AES-256-GCM + HKDF session caching) into wallet creation and signing call sites across multisig, DKLS MPCv2, and EdDSA flows.
encryptionVersion: 2on wallet/key creationdecryptKeychainPrivateKeymade async to support v1/v2 auto-detection in signing pathsLive Node.JS Testing (testnet)
All flows tested end-to-end on testnet with real transactions:
v2 wallet creation is consistently faster due to HKDF session caching. Signing is roughly equivalent -- network round trips dominate.
Test plan
TICKET: WCN-32