Crate hasp_backend_keyring 

keyring:// backend for hasp.

Grammar: keyring://service/account[?target=...]

• service (host): Required. Maps to the keyring service name.
• account (first path segment): Required. Maps to the keyring account name.
• target (query parameter, optional): Platform-specific modifier.

Supported operations:

• get, put, exists, delete: full support
• list: UnsupportedOperation

Platform-specific failure modes:

• macOS: Keychain ACL may reject access after binary re-sign or move.
• Windows: Credentials may roam across AD-joined machines.
• Linux (Secret Service): Requires a DBus session bus; fails in headless containers without a secrets daemon.
• Linux (Keyutils): Alternative to Secret Service; not enabled by default.

Structs

KeyringBackend

OS keyring backend.

KeyringUrl

URL shape for keyring:// addresses.