Harden secret derivation: non-extractable CryptoKey, secure wallet-sign, simplified SecureStorage#124
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Harden secret derivation: non-extractable CryptoKey, secure wallet-sign, simplified SecureStorage#124
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babkenmes
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Apr 1, 2026
babkenmes
commented
- Move key derivation to use non-extractable CryptoKey throughout the auth and wallet-sign layers
- Simplify SecureStorage to store CryptoKey directly via IndexedDB structured cloning
- Update all blockchain wallet-sign implementations to use createProtectedKey
- Add secret-derivation safety rules for Claude Code
…gn, simplified SecureStorage - Move key derivation to use non-extractable CryptoKey throughout the auth and wallet-sign layers - Simplify SecureStorage to store CryptoKey directly via IndexedDB structured cloning - Update all blockchain wallet-sign implementations to use createProtectedKey - Add secret-derivation safety rules for Claude Code Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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- Changed the return type of the deriveKeyFromTronWallet function from Uint8Array to CryptoKey for improved type safety and clarity.
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