Trait Keystore

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pub trait Keystore:
    Send
    + Sync
    + 'static {
    // Required methods
    fn id(&self) -> &KeystoreId;
    fn contains(
        &self,
        key_spec: &dyn KeySpecifier,
        item_type: &KeystoreItemType,
    ) -> Result<bool>;
    fn get(
        &self,
        key_spec: &dyn KeySpecifier,
        item_type: &KeystoreItemType,
    ) -> Result<Option<ErasedKey>>;
    fn raw_entry_id(&self, raw_id: &str) -> Result<RawEntryId>;
    fn insert(
        &self,
        key: &dyn EncodableItem,
        key_spec: &dyn KeySpecifier,
    ) -> Result<()>;
    fn remove(
        &self,
        key_spec: &dyn KeySpecifier,
        item_type: &KeystoreItemType,
    ) -> Result<Option<()>>;
    fn remove_unchecked(&self, entry_id: &RawEntryId) -> Result<()>;
    fn list(&self) -> Result<Vec<KeystoreEntryResult<KeystoreEntry<'_>>>>;
}

Available on crate feature keymgr only.

Expand description

A generic key store.

Required Methods§

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fn id(&self) -> &KeystoreId

An identifier for this key store instance.

This identifier is used by some KeyMgr APIs to identify a specific key store.

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fn contains( &self, key_spec: &dyn KeySpecifier, item_type: &KeystoreItemType, ) -> Result<bool>

Check if the key identified by key_spec exists in this key store.

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fn get( &self, key_spec: &dyn KeySpecifier, item_type: &KeystoreItemType, ) -> Result<Option<ErasedKey>>

Retrieve the key identified by key_spec.

Returns Ok(Some(key)) if the key was successfully retrieved. Returns Ok(None) if the key does not exist in this key store.

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fn raw_entry_id(&self, raw_id: &str) -> Result<RawEntryId>

Available on crate feature onion-service-cli-extra only.

Convert the specified string to a RawEntryId that represents the raw unique identifier of an entry in this keystore.

The specified raw_id is allowed to represent an unrecognized or nonexistent entry.

Returns a RawEntryId that is specific to this Keystore implementation.

Returns an error if raw_id cannot be converted to the correct variant for this keystore implementation (e.g.: RawEntryId::Path(PathBuf) for [ArtiNativeKeystore`](crate::ArtiNativeKeystore)).

Important: a RawEntryId should only be used to access the entries of the keystore it originates from (if used with a different keystore, the behavior is unspecified: the operation may fail, it may succeed, or it may lead to the wrong entry being accessed).

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fn insert( &self, key: &dyn EncodableItem, key_spec: &dyn KeySpecifier, ) -> Result<()>

Write key to the key store.

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fn remove( &self, key_spec: &dyn KeySpecifier, item_type: &KeystoreItemType, ) -> Result<Option<()>>

Remove the specified key.

A return value of Ok(None) indicates the key doesn’t exist in this key store, whereas Ok(Some(()) means the key was successfully removed.

Returns Err if an error occurred while trying to remove the key.

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fn remove_unchecked(&self, entry_id: &RawEntryId) -> Result<()>

Available on crate feature onion-service-cli-extra only.

Remove the specified keystore entry.

This method accepts both recognized and unrecognized entries, identified by a RawEntryId instance.

If the entry wasn’t successfully removed, or if the entry doesn’t exists, Err is returned.

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fn list(&self) -> Result<Vec<KeystoreEntryResult<KeystoreEntry<'_>>>>

List all the entries in this keystore.

Returns a list of results, where Ok signifies a recognized entry, and Err(KeystoreListError) an unrecognized one. An entry is said to be recognized if it has a valid KeyPath.