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feat: add derivation index to vault metadata for unique keys - Add VaultMetadata fields: DerivationIndex, LongTermKeyHash, MnemonicHash - Implement GetNextDerivationIndex() to track and increment indices for same mnemonics - Update init and import commands to use proper derivation indices - Add ComputeDoubleSHA256() for hash calculations - Save vault metadata on creation with all derivation information - Add comprehensive tests for metadata functionality. This ensures multiple vaults using the same mnemonic will derive different long-term keys by using incremented derivation indices. The mnemonic is double SHA256 hashed and stored to track which vaults share mnemonics. Fixes TODO item #5

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This commit is contained in:
Jeffrey Paul
2025-05-29 16:23:29 -07:00
parent 1a1b11c5a3
commit 34d6870e6a
7 changed files with 378 additions and 18 deletions
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9
internal/secret/metadata.go
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@@ -6,9 +6,12 @@ import (
// VaultMetadata contains information about a vault
type VaultMetadata struct {
Name string `json:"name"`
CreatedAt time.Time `json:"createdAt"`
Description string `json:"description,omitempty"`
Name string `json:"name"`
CreatedAt time.Time `json:"createdAt"`
Description string `json:"description,omitempty"`
DerivationIndex uint32 `json:"derivation_index"`
LongTermKeyHash string `json:"long_term_key_hash"` // Double SHA256 hash of derived long-term private key
MnemonicHash string `json:"mnemonic_hash"` // Double SHA256 hash of mnemonic for index tracking
}
// UnlockKeyMetadata contains information about an unlock key