Struct Auth 

pub struct Auth {
    pub class: AuthClass,
    pub data: [u8; 64],
    pub len: usize,
}

Represents authorization data, holding the class and the actual value.

It uses a fixed-size array internally for efficiency and predictability, tracking the actual length of the data used.

Fields

class: AuthClass

The class (type) of authorization.

data: [u8; 64]

Fixed-size buffer holding the authorization data (password, policy digest, or handle bytes).

len: usize

The actual number of bytes used in the data buffer.

Implementations

impl Auth

pub fn class(&self) -> AuthClass

Returns the authorization class (Password, Policy, or Session).

pub fn value(&self) -> &[u8]

Returns the raw authorization value as a byte slice.

The length of the slice depends on the AuthClass:

• Password, Policy: Length determined by parsed hex data (self.len).
• Session: Fixed length equal to TpmHandle::SIZE.

pub fn session(&self) -> Result<u32, AuthError>

Extracts the session handle (u32) if the class is Session.

Errors

Returns InvalidAuth if the class is not AuthClass::Session. Returns MalformedAuth if the stored bytes are not a valid TpmHandle.

Trait Implementations

impl Clone for Auth

fn clone(&self) -> Auth

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Auth

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Auth

fn default() -> Self

Creates a default Auth instance representing an empty password.

impl Display for Auth

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromStr for Auth

fn from_str(auth_str: &str) -> Result<Self, Self::Err>

Parses an authorization string into an Auth structure.

Valid formats:

• empty - Represents an empty password.
• password:<hex> - Password specified as a hex string.
• policy:<hex> - Policy digest specified as a hex string.
• vtpm:<hex> - Session handle specified as a hex string.

Errors

Returns InvalidAuth when the string does not match any valid format. Returns ValueTooLarge when the password or policy hex data exceeds MAX_AUTH_SIZE.

type Err = AuthError

The associated error which can be returned from parsing.

impl PartialEq for Auth

fn eq(&self, other: &Auth) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Auth

impl StructuralPartialEq for Auth