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52 lines
1.9 KiB
Go
52 lines
1.9 KiB
Go
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package chat
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import (
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"crypto/ecdsa"
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dr "github.com/status-im/doubleratchet"
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)
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// RatchetInfo holds the current ratchet state
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type RatchetInfo struct {
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ID []byte
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Sk []byte
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PrivateKey []byte
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PublicKey []byte
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Identity []byte
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BundleID []byte
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EphemeralKey []byte
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InstallationID string
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}
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// PersistenceService defines the interface for a storage service
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type PersistenceService interface {
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// GetKeysStorage returns the associated double ratchet KeysStorage object
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GetKeysStorage() dr.KeysStorage
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// GetSessionStorage returns the associated double ratchet SessionStorage object
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GetSessionStorage() dr.SessionStorage
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// GetPublicBundle retrieves an existing Bundle for the specified public key
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GetPublicBundle(*ecdsa.PublicKey) (*Bundle, error)
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// AddPublicBundle persists a specified Bundle
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AddPublicBundle(*Bundle) error
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// GetAnyPrivateBundle retrieves any bundle containing a private key
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GetAnyPrivateBundle([]byte) (*BundleContainer, error)
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// GetPrivateKeyBundle retrieves a BundleContainer with the specified signed prekey
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GetPrivateKeyBundle([]byte) ([]byte, error)
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// AddPrivateBundle persists a BundleContainer
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AddPrivateBundle(*BundleContainer) error
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// MarkBundleExpired marks a bundle as expired, not to be used for encryption anymore
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MarkBundleExpired([]byte) error
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// AddRatchetInfo persists the specified ratchet info
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AddRatchetInfo([]byte, []byte, []byte, []byte, string) error
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// GetRatchetInfo retrieves the existing RatchetInfo for a specified bundle ID and interlocutor public key
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GetRatchetInfo([]byte, []byte) (*RatchetInfo, error)
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// GetAnyRatchetInfo retrieves any existing RatchetInfo for a specified interlocutor public key
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GetAnyRatchetInfo([]byte, string) (*RatchetInfo, error)
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// RatchetInfoConfirmed clears the ephemeral key in the RatchetInfo
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// associated with the specified bundle ID and interlocutor identity public key
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RatchetInfoConfirmed([]byte, []byte) error
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}
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